SCIENTIFIC ABSTRACT YEREMENKO, V.N. - YEREMENKO, V.N.

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• Collection: Scientific Abstracts
• Document Number (FOIA) /ESDN (CREST): CIA-RDP86-00513R001962710020-3
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• Document Creation Date: November 2, 2016
• Document Release Date: September 1, 2001
• Sequence Number: 20
• Publication Date: December 31, 1967
• Content Type: SCIENTIFIC ABSTRACT

Xleotric conductivity In binary systems of f1re-resistant oxides.
Vop.por.met. I prochn.mat* nool:57-74 154. (MLRA 7:12)
(Refractory materiais--Ilectric properties)

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frim) 710 it) 12(w)* flc~oftq d sictillmra"ic
and fidatomr(ric eximfi. ofe. prewn ed A mtctic Iran*-
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YZRAMMO# V.I.; sq~~, V.P.
,,- 11 L ~.. , I ,, o ":,.: f sintering OnO-coolmnent metal
Inlatometric invootigation 0 wt. voi.8-.67-79 154.
conglomerateE. Trudy Inst.chern. (NM 7:12)
(Powder MOtallurgy)

==0 a V, IL-4 AND SOLOMKO,, V. P.
Dilatometric Study of Sintering of Bicomponent Metallic Conglomerates
Tr. Th-&A chelmo larall AN 1%L=# St 1954p PP 80-83
The effect of various solubility of components of bicomponent metallic conglo-
merates on their sintering process was studied. Cu-Ni represented a system with
unlimited solubility and Cu-Vo a nonsoluble system. In the case of Cu--Yo mix-
turej the observed variable sintering speed, depending on the compound of the
specimen, confirmed the diffusive character of sintering. Computed activation
energy showed that 14o does not participate diffusive processes up to 1,OOOOC.
(RZhFiz, No 5., 1955)
SO: Sum,'No. 639, 2 Sep 55

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yRARWICH ;,, redaktor; KCOAK,
YNOWIM0, Irsientill ]sjWoroviCb-v t.khuich6skiy redaktor.
Kjoy, Isd-vo
Cf itmim and itG allOy'l T"n i ego splavy. (NW 9:5)
Akedsoll usuk USSR$ 1955. 398 Pe
I.ChlelLkorrelegendent AN W'L (for Irantsevich).
0 it ant=)

p V*Ne LESMX, N.D.
"The Inter'action of Titanium Carbide With Cobalt", from the monograph
Questions on Power Metallurgy and the Strength of Materials, Ho 111,
Institute of Mtelloccramics and Special Alloys, Acodemy of Sciences
Ukrainian SSR, Kiev, 1956, 145 poges
Sum. 1287

U 5 4-c -ne'- rmochnmis U-ji,
Abs, Jour Referat Zhur Khimlya, No 1, 1958, 402
Author V.N. Yeremeako, A.M. Beynish.
Inst
Title : Electrical Conductivity of Unary Systems of Refractorj
Oxides.
Orig Pub : Zh. neorgan. khImii, 1956, 1, No 9) 2118-21-30
Abstract : The shrinkage at sintering and the electrical resistivity
t, of binary systems A1203 -,Cr203, CaO - W90, ('-00 - T'02,
NIO - T102, ZrO2 - T102, YgO - Cr2O3 and CaO - Cr2O3 at
20 to 9000 were &.asured. The ~ of cerumic specimens
was measured by the brIdge mnthod using direct current
and alternating current of the sound frequr-ney Ow C.Y-
cles). The analysis of*the curves composition uty
Card 1/2

U&9R/Rqsical Chemistry - Therwdynamics, Thermochemistry,
Equilibria, Physical-M.-mical Analysis, Phase Trar,51 U OAS -
Abs'jour Ref Zhur - Khimiya, No 1, 1958, 1,02
serve as a Mthod, of the physical-chemical analysis of
systems. A conclusion concerning the existenc6 of com-
pounds GoO.TiO2, NiO.TiO2, ZrO2.TiO2 and VgO.Cr203 was.
made based on the study of the curves shrinkage - compo-
sition and ~ - co4osition. The maximum of the curves
log t - composition of the system CaO - Cr203 at 50 to
60 mol. % of tlie'latter, was tentatively explained by
the formation of the compound 2Cao.3Cr2O3.
Card 212

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TARNOM, v -I.
, --mommomber.
Continuous dru*-trpe stone catcher of the Bar Machine Building
Plant. 'Sakh.prow. 30 no.7:30-31 Jl '56. (Km 9: 11)
1, 2 Gorodokskiy sakb&ruyy savod.
(Sugar industry-Equipisont &nd supplies)

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AUTHOR; Yeremenkog V. 11. 73-1-2/26
- - --------
T112LE: The Thermodynamic Activity of Lead in Liquid Solutions
of a lead-Silver System. (Termodinamicheskaya Aktivnost'
Svintsa v Zhidkikh Rastvorakh Sistemy Svinote-Serebro.)
PERIODICAL: Ukrainskiy Rhimicheakiy Zhurnal, 1957, Vol.23, NO-1,
pp. 6 - 12 (USSR).
ABSTRACT: The activity, coefficients of activity and relative
partial molar heat contents and entropies of lead were
measured in liquid double solutions lead-silver. The
electromotive forces and temperature coefficients E.D.S.
were determined at a silver content up to 56 at .%,
between the temperatures 450 - 7060' for concentrated
chains of the formula:
Pb liqu. /PbC12(in KC1 sol.) + LiCl/Pb (in Ag sol.)
The method used for measuring and calculating these values
'was described previously (viz. (1): Eremenko, V. N.,
Eremenko 0. M., Bruevich, T. P.: Ukrain. Khim. Zh., 1951,
Vol. 17, page 658). Lead containing 0.004% bismuth and
0.002,,7/o Cu was used for the experiment. The impurities of
silver did not exceed 0.01 weight %. After extraction and
homogenisation of the solutions the measurements were
Card 1/2 carried out at small temperature intervals (5 - 15' C.)

73-1-2/;')6
'Me Thermodynamic Activity of lead in Liquid Solutions of a
lead-Silver System.
Temperatures of the crystallization principles were
determined by the E.D.S. method and results :eound to be
in good agreement with those obtained by different
methods. Considerable deviations from Raoult's Iaw occur
in the system Pb-Ag. These deviations diminish with
increasing temperatures in solutions containing more than
25 at.% Ag. At smaller Ag content the deviations are
practically independent of the temperatures. It was shown
that the difference of thermal capacity of lead in pure
liquid states and in solutions with silver depends on the
composition of the solution and is independent of the
temperatures Liquid solutions of Pb-Ag show a tendency
to separation. There are 4 tables and 4 graphs; 2 Slavic
references.
SUBMITIMD: Sep~t&bber, 29, 1956.
ASSOCIATION: Klyev State University imeni T. G. Shevchenko.
(41.evskiy Gosudarstvennyy Universitet im. T.G. Shevchenko)
AVAILABLE: Library of Congress
Card 2/2

- - -t- ~
- - . "I,., .
i

Yra R'F_MF-NKD, V N.
18(o) PHASE I BOOK EXPLOITATION SOV/2341
Eremenkop Valentyn Nykyforovych, and Yuryy Vladymyrovych Naydych
Zmochuvannya ridkymy metalamy poverkhen' tuhoplavkykh spoluk
(Wetting the*Surface of High-Melting Alloys With Liquid Metals)
Kiyev, Vyd-vo AN Ukrayinalkoyi RSR, 1958. 59 p. 2,000 copies
printed.
Sponsoring Agency: Akademiya nauk Ukrayinslkoyl RSR. Instytut
metalokeramiky I spetsiallnykh splaviv.
Ed.: I.M. Fedorchenko, Corresponding Member, UkrjSSR Academy of
Sciences; Ed. of Publishing House! I.F. Shtullman; Tech.
Ed.: N.P. Rakhlina.
PURPOSE: This book is intended for engineers and scientific person-
nel working In the physical chemistry of molten metals; It may
also be useful to senior studdnts specializing in this field.
COVERAGE: The author discusses problems of wetting high-melting
alloys with molten metal# a process used In the manufacture of
heat-resistant and other materials. Results of experimental
Card 1/3

Wetting the Surface (Cont.) SOV/2341
and theoretical investigations of the wetting process are pre-
sented and general thermodynamic principles are described.
Published data on capillarity, in molten metal are analyzed. No
personalities are mentioned. There are 135 references: 63
'Soviet, 65 English, and 7 German.
TABLE OF CONTENTS:
Introduction 3
Ch. I.. General Principles of Wetting 4
Effect of the esq, 5
Effect of the g1j_ 6
Effect of the e. 8
Ch. II. Review of Data on Wetting of Noftetalic Surfaces With
Liquid Metals 12
Ch.III. Oxide-Metal System 20
Study of the relationship between the properties of oxides
and wetting them with liquid metals' 20
Card 2/3

Sov/2)41
Wetting the Surface (COnt 21
Fxperlmental study Of the 'wetting of oxides ing oxides# and 26
Results of experiments he proceSse 8 Of watt 34
Theoretical analYBis of t
results of experiments 42
Ch. IV. Carbide-Metal System 46
letal System
Ch. V. Boride.t 51
Appendix 57
Bibliography Library of Congress GO/ec
AVAILABLEI- 1o-19-59
Card 3/3

18(0..7)
PHASE I BOOK EXPLOITATION
SOV/2170
_14kademiya nauk Ukrainskoy SSR. Institut metallokermiki i spetsiall-
nykh splavov
*Voprosy poroahkovoy metall~rgii I prochnosti materialovp vyp. 5
(Problems in Powder Metallurgy and Strength of Materialss Nr 5)
Kiyev) Izd-vo AN USSR) 1956- 172p. 2,000 copies printed.
Ed. of Publishing House: Ya. A. Samokhvalovj Tech. Id.j V,Ye.
Sklyarova; Editorial Board: I.N. Frantsevigh (Reap. Ed.)p I.M.
Fedorchenko, G.S. Pisarenko, G.V.Samsonovj hnd V.V. Grigorlyeva.
PURPOSE: This collection of articles Is intended for a wide circle
of scientists and engineers In the research and production of pow-
der metallurgy. It may also be useful to,advanced students of
metallurgical institutes.
COVERAGE: This collection of articles describes the results of in-
vestigations made at the Institut metallo keramikii spetsiallnykh
splavov, AN UssR (Institute of Powder Metallurgy and Special Al-
loys, Academy of Sciences, Ukrainian SSR). The physical and chem-
Card 1/6

Problems in Powder Metallurgy (Cont.) SOV/2170
ical properties of materials used in powder metallurgy are dis-
cussed. Materials described as new) production processes, and
methods and results of mechanical testing are described. No per-
sonalities are mentioned. References follow each article.
TABLE OF CONTENTS:
Samsonov, G.V.,,, and V.S.Neshpor. Some Physical Characteristics of
Metal-like Com0ound8. 3.
The authors, describe results of investigations of microhardness,
coefficient of thermal expansion, calculation of the inter-atomic
bond between the metal and the metalloid, and factors affecting
this bond. They conclude that the hardness of the nietal-like com-
pounds is determined chiefly by the bonding forces between
the atoms of the metal and the metalloid.
Y r n~ 2udilova, and L.A. Gayevskaya, Chromium-
Niobium Structural Diagram 36
The authors describe 'the results of an investigation of the
chromium-niobium system by thermal) metallographic, and radio-
graphic methods.
Card 2/6

~UTXRS: jeremenko, V-N., Zudilovat G.V. and Gayevskaya, L.A.
TITIB; On the Diagrams of State of the System Chromium.-Iliobium
(0 diagramrf,e sostoyaniya sistemy ltbrom-niobiy)
PERIODICAL: Metallovedeniye i Obrabotka Metallov, 19-28, 110.1
pp. 11 - 16 (US3R).
ABSTRACT: Use of aiobium as an addition to chromium alloys has
created an interest in the system ch-romium-niobium. However,
very little data are -
published in literature or- this systelL.
Therefore, the authors invcstigated the manufacture by sweltin-
and sintering of shromiur, alloys with,niobiuja for the purpose
of constructing the elements of the diagram of state of
this system. The ji-.olten alloys were produced in a high-
frequency furnace under a protective argon atmosphere fror,
powders of electrolytic Cr-Nb of the sizes of 1 - 5 1L. The
chromium was crushed in a steel ball mill and the iron removed by
washing with nitric acid and then passed throuGh a sieve with
10 000 holes/cm . The niobium powder contained 98.21% a,
0.93% Fe, 0.34% Ti~ 0.06P/0/ All 0.5% Cal 0.007% S and less than
0.01% P. The powders were mixed and pressed into briquettes,
applying a pressure of 7.5 tons. A sketch of the melting device
?d1/3 is given in Fig.1, P.11. The results of the thermal analysis
129-1-3/14
On the Diagram of State of the System ChromiUM-11jobium.
are entered in Table 1, p.12. The.compositi0fts of the obtained
sinter alloys are entered in Table 2, p.12; Table 3, P-15)
gives the results of the decoding of the X-ray picture of the
inter-metallic compound (containing 47.3% Nb); Table 4 gives
the results of measuring the parameters of the lattice of a
chromium-base solid solution. In Figs. 2 - 8, a few of the
obtained micro-photographs are reproduced. The data given in
Table 3 indicate that almost all the lines of the X-ray pictures
are in agreement with the assumptions made by the authors. The
diagram of state of the system Cr-Bt~ proposed by the author,
is plotted in Fig-9, p.16. The following conclusions are
arrived at: on the basis of the results of thermals metallo-
graphic and X-ray structural analysis and measurement of the
micro-hardnesss it was found that in the system Cr-Nb, only
one inter-metallic compound ncr forms which has a face centred
cubic 1' tallic egmpounds) form eutectics with
e solid solutions and the temperature
sation of the inser-metallide with
tion is-. 1.660, C (for a contentlofo_

129-1-3/14
On the Diagram of State of the System Chromium-Niobium.
solid solutions form; the solubility of niobium in chromium 0
at 1 350 C is about 3 wt.%. Long duration annealing at 1 350 C
coarsens the componsnts of the eutectic and after annealing for
100 hours at 1 350 C, the structure does not have a eutectoidal
character. Alloys of chromium with'niobium can bo obtained by
sintering inside a protective atmosphere at Y50 OC; in the
case of sintering.for 2 to 5 hours at 1 550 a full re-
crystallisation takes place and an equilibrium state is reached.
There are 9 figures and 4 tables and -3_non-Slavic references.
ASSOCIATION: Institute of Metallo-ceramics and Special Alloys
Ac.Sc. Ukrainian SSR.
(Institut Metallokeramiki i Spetsiallnykh Splavov
AN USSR)
AVAILABLE: Library of Con6re88.
Card 3/3

65552
SOV/81-59-21-75503
Translation from: Referativnyy zhurnal,,Khimiya, 1959, Nr 21, P 317 (USSR)
AUTHOR: Yeremenko, V.N.
TITLE: Metal-Ceramic Heat-Resistant Materials Based on 'Titanlum Ca-bldel
PERIODICAL: Buyl. In-t metallokeram. i spats. splavov AS Ukr3SR, 1958, Nr 3,
pp 27 - 53
ABSTRACT: The problem of Interaction of the components, the role of the surface
phenomena , the 3electlon of the cementing TIC alloy, and the properties
of the finished material are considerood In this article. The results of
the investigation of the TiC-Co, TiC-Ni, and TIC-Fe systemn have shown
that all these systems are of the ei.,te,~tic type with the coordinates of
the eutectic point: 6, 9 ard 3.8% TIC, respectively, and the temperatilre
of 'the appearance of the liquid phaze 1,360, 1,280 and 1,4600c, With
the aim of Improving the propertle.,3 of the materials baf:ed on TIC
cemented by pure Co or N1 It Is proposed to introduce alloyed additions.
In order to increase the re3lstance of the carbide phase against oxidation
at high temperatlires the partial replacement of TIC by pure TaC or by the
Card 1/2 ternary solid solution TIC + TaC + Nbl" is recommended as well as the

65852
SO'1/81-59-21-75503
Metal-Ceramic Heat-Resistant Materials based on Titanium Carbide
alloying of TIC with chromium. In order to Improve the properties of the metal alloy
(Co or Ni) it Is alloyed with Cr employing chromium-nickel, -chromium-cobalt or ternary
nickel-cobalt-chromium alloys. Cr Increases simultaneously the resistance against
oxidation, the heat- and creep-resistance of the alloy. Compositions and propeities of
materials based on TIC and produced by various firms are presented. The comparison of
the properties of the materials shows that the density, the bending resistance limit
and the toughness Increase with the alloy content, but the tensile strength and the
hardness decrease, The high thermal resistance of the alloys based on TIC In comparison
with the thermal resistance of other ceramic metals apd pure ceramic materials Is ex-
plained by the low coefficient of thermal expansion and the high heat conductivity
(0,075 - 0,085 cal/cm sea degree).
0. Gerashchonko 1j/
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UW"WO, V.11*- HAW-12011, Yaj.
Role of the transportation of matter throi4-fi the gaseous phase
In the sintering of Iron and chromiume Yop.poramet. I prochn.
laitte n095:73-79 158. (MIRA 12:8)
(Powder metallura)

NATDICH, Yu.V.; TEREMNW, V.N.
Wetting hard surfaces of certain high-malting point corpounds
with. liquid metals. Vop.por.mat.1 procbn.mat. no.6:53-Of
158, (MIRA 13:4)
(Powder metallurgy)

SOV/24-58-7-31/36
AUTHORS: Yeremenko V N Ivashchenko, YU.N., Nizbenko', V.I,
I -- !-=L 0 ~
"M~ie~seK, V.V. (Kiyev)
TITLE: Determination of the Surface Tension of Metals of the
Iron Family (Opredeleniye ovorkhnostnogo natyazheniya
metallov semeystva zhelazz
PERIODICAL: Izvestiya Akademii nauk SSSR,, Otdeleniye teldinicheskikh
nauk., 1958, Nr ?, pp 144 - 146 (USSR)
ABSTWT: The authors point out that wide discrepandes exist in
1, the published data on the surface tension of iron
(Refs 1, 2) and nickel (RefB 3-5) and that only one
investigation has been made on that of cobalt (Ref 5),
They describe an invedtigation in which the surface
tension of these metals (less than 0.01% impurity) was
measured by two methods.' In experiments by the recumbent
drop method the drop was supported on pure aluminal
beryllia or magnesia in a,water-cooled quartz tube with
suitable screening. Heating was by induction with a
graphite element, temperature measurement by a preciously
calibrated optical pyrometer to an accuracy of 20 C~
The apparatus, shown in Figure 1. was provided with an
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SOV/24-58-7--31/36
Determination of the Surface Tension of bletals of the Iron Family
optical system for photographing the shadow of the drop.
Tests were carried out in vacuo and also in purified
helium and hydrogen. The surface tension was aLlculated
with the use of published tables (Ref 6). The reliability
of the method was checked by determining the surface
tension of aluminium and good agreement with published
data was obtained. A second series of determinations was
made with the bubble-pressure method (Figure 2). A
beryllium capillary was used, allowance being made for
wall 8hickness. Metal temperatures were measured to
+-10 C with a type TsNIICbhl-l tungsten-molybdenum thermo-
~Fouple. Purified helium and hydrogen were used to form
the bubble. T4e results obtained by the two methods at
1 470 - 1 650 C are tabulated, showing that the accuracy
of both is about -o 5%. There are 2 figures 1 table and
12 references, 3 Uf which are Soviet, 6 Enghsh and
3 German.
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SOV/24-58-7-31/36
Determination of the Surface Tension of Metals of the Iron Family
ASSOCIATION: Institut metallokeramiki i spetsiallnykh splavov
AN USSR (Ceiinets and Special Alloys Institute,
Ac.Sc., Ukrainian SSR)
SUBMITTED: October 17, 1957
.Card 3/3

AUTHOR: Yeremenko, V. N. 78-3 3-47/47
TI TLE: t9=T9U_____
(Obsuzhdeniye dokladov)
PERIODICAL, Zhurnal Neorganicheakoy Khimiiv 1958, Vol- 3, Nr 3,
pp. 837-839 (UsSR)
ABSTRACT: The question of the speaker regarding the comparison of the
results of the investigation of phase diagrams and of the
structure of the chromium-titanium alloys was answered by
G. 1. Nosova. She explained the temperature difference in
eutectoid conversion by the use of various methods in the
determination of the conversion temperature,, The speaks.-
thinks that this can not be right as the conversion
temperature was determined by the same method. The resulta~
howeverg were different. He is rather inclined to explain the
higher temperatures of eutectoid converaton by the fact that
the alloys were produced by means of the method used in
powder metallurgy, namely by sintering. At present there are
numerous data on the temperature of the eutectoid transition
Card 1/3 in chromium-titanium alloys. In the case of cast and deformed

Discussion of Lectures
78-3 -3-47/4?
alloys this temperature is below 700 OC. When, however, the
alloys were produced by the method of powder metallurgy and
when they had not been deformed they have a remarkable
porosity and a formed inner surface in their final state,
In such alloys, not only in chromium-titsnium~ a retardation
of phase transitions-is observed. In constructing a phase
diagram those difforenges are of no principal importanse.
Systematic temperature dwriations, howovor, occur In the phaso
transitions. Also the purity of the metal plays a r8le, A
difference can also be formed in the preaence of nitrogen
(the alloys investigated by the speaker contained 0.,.1%
nitrogen), The speaker finds the explanations by M~ A, Tylkina
very interesting who spoke on the atructure of alloys on a
rhenium. basis. One can hardly assume that rhunium can be used
as banis or even as an alloying element for alloys of
constructional character. There are, howeverp fields where the
use of thenium alloys are absolutely hopeful and where they
are already being used. These are first of all contact
Card 2/3 materials for current and voltage under especially unfavorable

Discussion of Lectures 78-3 3-47/4?
conditions as vrell as the field of electronics. 1. N,
Frantsovich and tho aspirant V. ff. Bulanov commonly
investigated the structure of the rhenium-beryllium alloy at
the Institute for Metal Ceramics ans Special Alloys of the AS
Ukrainian SSR.- Finally the speaker said that the woxk on
the phase diagrams of metal systems is not coordinated
contrally. lie joins M. V. Chukhrov in his opinion that a
centrally organized information- and publiontion sorvico
should be arranged in this field.
There are 3 figures
ASSOCIATION: Institut metallokeramiki i spetainllnykh splavov Akademii
nauk 'USSR (Institute for Powder Metallurgy and Special Alloys,
AS Ukrainian SSR)
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AUTHOR Kriner, B. I., Yeremenko 7a-3-4-lo/38
TITL E: Review of the Lecti!roo ( Obattzlideniye dokladov)
PERIODICAL: Zhurnal Neorganicheakoy Khimii, 1958, Vol,, 3, fIr 4,
pp.~ 895_897 ~Uzsnj
ABSTRACT: Krimer states that the results concerning the phase
equilibrium in the tungsten-niobium system, which were
delivered by V. 5, Mikheyev did not completely agree with
those obtained by Krimer in the Laboratory for Metallo-
graphy of the Institute for Steel (Mobcow), Here Krimer gives
his re5ults which are renresented in one table and 7 dia~;rams,
The author worked with almost pure tunosten (99,9%-'o); pure
niobium was not at his disposal; furthermorej with 99,4,f-
niobium containing 6~~.,of secondary --omponents of which
'I.. ~: , _~ -itanium, 0.1 * silicon, 0,07 % iron and 0,04 45 lead,
Besides, the author acknowledge3 that the meltings were per-
formed in a vacuum-electrode-furnace, which possessed a
copper base and that by this the alloys were polluted to a
Card 1/3 small extent,, The first two diagrams here refer to the

Review of the Lectures
78.3-4-1o/36
measurements of the lattice P02~iOflt) Of the solid 3olution
at l2oo 0 and 1400 0 ; the following two-of the hardness
measurements according to Vickerst a) after ho-ioGenization
and b)- after hardening at 12ooO; the next diaffram shows
measurements of the specific electric resistance , ;
conditions, and finally a diagram shows temperature measure-.
ments of the melt dependent on Its vomposition. Krimer qrrives
at the assumption that it is "more probable" -.hat the for--:-!,
tion of a continuous series of solid solutions must be the
consequence of the combined action of nioiium and tunc.,3t-?r
Yeremenko, of the Institute for Metal- Ceramics and
Alloys of the Ukrainian-AS, compares th2 results of h1_1
vestigations of 1956 concerning the alloj structura of the
chromium-niobium systems with the results of V F Frun:+?
which were last delivered on the same subject, and finds t'~Ie%,,
in agreement except the temperatureE) especially the solidus
temperature - in the author's measuroments-ravulted
6oo higher.! becarse, however, here a !:.:,.1 4 " .of acc,-Y":y
Card 2/3 of _+ 300 is in question, the author is of opinion the

Review of the Lectures 78-3-4-10/38
determined difference is not of great importance,
the author statis that the temperatuies given in the lectx-cs
by Funke and Yelyutin generally were too low. Concerning the
solubility of chromium in niobium (maximum ,oncentration)
Yeremenko is of opinion that on this subject too high values
were published, for 2o%, certainly were too high. The author
maintains that he had performed radiographic investigations
of the Cr Nb compound as well; however, two c-nund
modifications, which are dealt with uy Funke and Yelyutin
could not be determined by him.There are 7 figures,1 table.
ASSOCIATION': Institut stali, Moskva (Moscow,Steel Institute)
Institut metallokeramiki i spetsiallnykh splavov AN USSR
(Instltute for Metal1odiaranffcs and S~ecial Alloyi, AS
Ukrainian SSR)
Card 31/3

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"The Phys ico- Chemical Faundation3 of the Formation of a Metal-lo-Ceramic body-"
report presented at the Section on Colloid ChMistr.1, Vill Mendeleyev Gonremnc,: of
General and Applied Chemistry, Moscow, 16-23 March 1959-
(Koll. Zhur. v. 21, 110. 4, pp. 509-511)

SOV/180-59-2-20/34
AUTHORS: Yeremenko, V.N., and Naydich, Yu.V. (Kiyev)
TITLE: -Meas ement of the Surface Tension and Density of Liquid
Chromium (Izmereniye poverkhnostnogo natyazheniya i
plotnosti zhidkogo khroma)
PERIODICAL: Izvestiya akademii nauk SSSR, Otdeleniye tekhnicheskikh
nauk, Metallurgiya i toplivo, 1959,Nr 21pp 111-112 (USSR)
ABSTRACT: The authors have used a modification of the apparatus
they have previously described (Ref 1) to measure the
surface tension and density of liquid chromium by the
quiescent drop method. The main parts of the apparatus
are a vacuum chamber and arrangements for photographing
(at a magnification of X 5-7), the drop. The drop
dimensions were determined with a measuring microscope
and the surface tension and volume of the drops were
determined from published tables (Ref 2). After
preliminary experiments with helium a purified hydrogen
atmosphere was adopted. The results obtained under
Card 1/2 various conditions at 1950 OC are tabulated. The mean
value of the density was found to be 6 � 0.13 g/cm3j

SOV/18o-59-2-20/31+
14easurements of the Surface Tension and.DensitY of Liqui6 Chromiula
and the mean value of the surfaco tension
1590 t 50 O"g/CM2. and 2 referencest 1 of which is Soviet
There are I table
and 1 English.
SUBMITTED: November 11 1958
Card 2/9

30665
.8/137/6 1*0/tIO/t 1056
2 S-&'U A0061AI01
AUTHORSt Yeremenko, V.N., Nayd~ch, Yu.V.
Timt Investigating the wetting of solid earfaoea of aome-high-melting
compounds with liquid metals
PERIODICALs Referativny7 zhurnal. Metallurgiya, no. 10, 1961, 35,.abstraot
100282 ("Byul. In-t metallokeram. i spats. splavov AN UkrSV', 1959,
no. 4, 38 - 51)
TMS The authors studied the wetting of solid oxides and borides with li-
quid metal. They revealed the oonnection between the wetting of solid oxideA
and their physical-chomioal propertiesLe' Oxides with a high concentration of free
eleotroni, i.e. with a higher eleotr!o conductivity.are better wetted by liquid
niatals under equal other conditions. In tarn, eleatrio oonduativity increases
with 'a decreasing heat of oxide formation. Tho wettability of borldes with mol-
ten Cu increases with the growth of the ordinal number of the pariodio system
of the corresponding transition metal, forming a borlde, i.e. with decreasing
metal-B *6onds. An analysis of literature data leads to the oonclusion that'when
Card 1/2

3o665
S/13T/6 1/~M/o;0/018/V56
Invest,SatinS the wetting of ajlid.Isurfaces ... k0061A101
t4 g m6tal carbides the a-d-interaction plvje tile d6oisile part, and--th&t-
we-V In &rbiies. TAer6 are iq~refer-
only transition metals a:re.able to well wet the c
V ShulepTr
LAbistroLoterfs note-, COmP16t9 ~-ran""t--Orl'
Card 2/2

32594 S/137/6i/ooo/oil/004/123
A0601AI01
AUTHORS: Fesenko, V. V., Yeremenko, V. N.
TI=: Method of maximal pressure in a gas bubble as applied to the deter-
mination of surface tension of metals of the Iron family
PERIODICAL: Referativnyy zhurmal, Metallirgiya, no. 11, 1961, 5, abstract IIA37
(nByul. In-t metallokeram. I spets. splavov AN USSR", 1959, no. 4,
52-64)
T M An analysis is carried out in order to determine the possibility
of applying the method of maximal pressure in a gas bubble to Investigate the
surface tension 6 of melts which do not wet the material of the capillary. A
method of calculation is proposed which allows one to determine the 6'of non-
wetting liquids on the basis of experimental data obtained from measurements
taken with thIck-walled capillaries. A description is given of an apparatus for
the meanuremont of 6 and the results are cited of the determination of the (r of
NI (1,520 + 60 dynes/cm), Co (1,600 dynes/cm) and Fe (1,1115 � 90 dynes/cm) at
1,500 ~- 1"900,c. V. Lazarev
[Abstracter's note: Complete translation]
Card 1/1

S/081/61/000/024/014/01r-16
B138/B102
AUTHORS: Yeremenko, V. N., Nizhenko, V. I., Ivashenko, Yu. N.
TITLE-, Stationary drop method of measuring the surface tension :~f
metals of the iron group
"PERIODICAL: Referativnyy zhurnal. Khimiya, no. 24, 1961, 94, abstract
24B690 (Byul. In-t metallokeram. I speto. splavov, All USSR,
no. 4, 1959, 65 - 71)
TEXT: An apparatus has been designed for the measurement of surface
tension 0 of molten metals, both in a vacuum and in protective atmospherE
using the Btationary drop method and h-f heating up to 17500C. a wa's
determined for aluminum in a vacuum and In a helium atmosphere. The
results are in agreement with published data. Within the limitattons cf
experimental error, estimated at � 5%, the h-f field did not influence t~,
a value of molten metals under the conditions used in thin case.. n Via,-,
measured for metals of the iron group. I Abntracter's note: Complete
translation,
Card 1/1

S/137/62/ooo/oo6/079/163
A-6;2/AlOl
AUTHORS: Yeremenkol i__N., Kosolapova, T. Ya.
TITLE: Once more on the titanium carbide-nickel interaction
PERIODICAL: Referativnyy zhurnal, Metallurgiyas no. 6,19602, 35, abstract 6G268
(In collection: "Vopr. poroshk. metallurgii I prochnosti materialov".
Kiyev, AN UkrSSR, no. 7, 1959, 3 - 6)
TEXT: Alloys of TIC (0.1 - 80%) with Ni produced by powder metallurgy
methods were subjected to Isothermal ageing at 1,0400C (in argon ), 1,250, 1,300,
1,350 and i,4oo0c (in vacuum)'during I - 100 hours (depending on the temperature)
and to oil hardening. To derine more accurately the constitution diagram of
TiC-Ni and to study the character of the TiC-N1 interaction the alloys were In-
vestigated metallographically and by the chemical phase analysis. It is shown
that at the TiC-Ni.interaction under indicated conditions no precipitation of
free C takes place, and the syBtem TIC-Ni is a quasibinary one, contrary to the
opinion of R. Steinitz.
[Abstracter's note: Complete translation] A. Epik
Card 1/1

S/137/62/000/006/071/163
AO5P_/A1O1
AUTHORS: Yeremenko, V. N., Natanzon, Ya. V.
TME Kinetics and oxidation mechanism of titanium carbide with chromium
additions
PIMIODICAL: Referativnyy zhurnal, Metallurgiya, no. 6, 1962, 32, abstract 6G246
(In collection: "Vopr. poroshk. metallurgii I prochnosti materialov".
Klyev, AN UkrSSR, no. 7, 1959, 7 - 17)
TEXT: Oxidation (500 - 1,2000C) of porous and hot-pressed TIC and also of
porous TIC alloy~o with Cr additions (up to 7.~%) has been studied. It is shown
that the kinetics of oxidation is characterized by two stages; in the Ist stage
the rate is determined exclusively by the rate at, which the surfacelayers of the
sample are enriched with oxygen. The 2nd stage is determined by the speed of the
growth of the film. Each stage is characterized by Its own value of activation
energy. In the high-temperature region a Cr addition increases the resistance to
the scale formation, in the low-temperature region (500 - 7000C) it decreases
this resistance. The mechanism of oxidation is discussed. There are 9 referernes.
[Abstracter's note: Complete translation] R. Andriyevs),dy
Card 1/1

5('2)PI5(2)
AUTHORSt Yeremenk0t-YA-N*t-5aydichj Yu. V, BOY/78-4-9-20/44
TITLEt The Wetting Capacity of the Borides and Carbides by Liquid Metals
PERIODICAL: Zhurnal noorganicheskoy khimilq 1959t Vol 4, Hr 9g pp 2052-2057
(USSR)
ADSTRACTt For producing carmets borides and carbides of transition metalb
are used as solid phase, which is wetted by liquid metal, Thus,
the wetting capacity of the solid phase is of technical
significance. A study was made of the diboridee TiB21 VB2. ZrB20
NbB2' TaB20 CrB21 and MOB29 pressed at 2100-250009 which had been
placed at the authorst disposal by 0. V. Samsonovs For this the
authors express their gratitude. The wetting capacity was
determined by measuring the temperature dependence of the wetting
angle formed by a metal drop at rest on the boride or carbide in
a rare gas atmosphere. For copper the results are given in tables
1, 2, and in figure 1. There exists a certain temperature for
every boride, at which the wetting angle begins to diminish
rapidly. Results obtained for nickel are outlined. The wetting
Card 1/2 capacity was found to be lower than that of copper. For elements

The Wetting Capacity of the Borides and Carbides by sov/78-4-9-20/44
Liquid Metals
of the came group, the wetting oapacity of their boridoe growa
with increasing atomic number. Data given in publications on the
system carbide - metal are mentioned in table 3. Two groups of
metals are distinguishable. The one reacts weakly with the carbide
surface, and the other deliquesces on the carbide. All carbide-
dissolving metals (Nil Coj is) belong to the latter group. These
are the transition metals having incomplete d-electron shells.
There are 1 figure, 3 tables, and 12 references, 6 of which are
Soviet.
SUNITTED: May 26, 1958
Card 2/2

J
5(2)
AUTHORSi
TITLEt
PERIODICAL:
ABSTRACT.
Card 1/2
05872
SOV/78-4-11-25/50
Yeremenko, V. N., Listovnichiy, Y. Ye.
Specific Electric Resistance in Binary Oxide Systems
Zhurnal neorganicheskoy 4himii, 1959, Vol 4, Nr 11,
pp 2544 - 2550 (USSR)
The classical investigations of N. S. Kurnakov and V. A.
Zhemchuzhnyy have revealed a definite relationship between
the phase diagram of metallic systems with the electrical
oonductt~-ity - composition diagram. It could be assumed that
such a r,tlationship existed also in oxide systema. In order to
confirm this hypothesis, the authors investigated the systems
MgO - NiO, MgO - Ti02 and CuO - Fe203. The specific electrical
conductivity Q was measured with the help of a measuring bridge
of an apparatus demonstrated in figure 1. Temperaturet up to
10000. Samples were prepared from powdered oxides by bending
with a aynthe-tic rubber solution in benzine and by sintering
in a VNIIO-120 kryptol farnaoe. Figures 2 to 4 show the
measured dependence of log Q on the composition of the syBtoma
under discussion; figure 5 illustrates the dependence of the
thermoelectric force on the concentration of Fe2o 3 in the system

05872
Specific Electric Resistance in Binary Oxide Systems SOV/78-4-11-25/50
ASSOCIATION:
SUBMITTEDi
Card 2/2
Cuo Fe203. The thermoelectric force has three maxima (at
20, ;8 and 67 mole5A of Fe20j) which need further investigation.
Results of measurement obta ned by western scientists for the
systems MgO -T102, CaO - Zr02,,-La2O - ZrO T102 - Zr021
A12 S'021 S102 - T102 ' A120 - C~O ani'the system CoO
- T082 estigated ~y the first-mentioned author
i which was inv
together with A. M. Beynish -(Ref 1) as-well as a publication
by P. Avgustinik and Ya. Antselevich on KgO - Zr02 (Ref 14)
are discussed and partly represented in graphs. On account of
this purvey it is indicated here that measurement of the elec,.ric
resistance of oxide systems at high temperatures is'suited only
to investigate the formation of chemical compounds but is no
sufficiently sensitive method of phase-limit determination.
There are 12 figurea and 14 references, 3 of which are Soviet.
Institut metallokeramiki iz spetsiallnykh oplavov Akademil nauk
USSR (Institute for Cermets From SpecialAlloys of the Academy
of Sciences of the UkrSSR)
July 11,,1958

5 (4)
AUTHORS- Yeremenko, V. N., ffaydich, Yu.'V. SOV/76--33-6-11/44
TITLEi Investigation of the Wetting of Solid SNArfaces of Diffic-ultly
Melting Oxides With Liquid Metala (jnn1odovnniyn emachivanlyn
zhidkimi metallami tverdykh povorkhnostoy tugoplavk1kh okislov)
PERIODICAL: Zhurnal. fizicheskoy khimii, 1959, Vol.33, lir 6, pp 1238-1245
(USSR)
A13STRACT: Molten metal is used as a binding agent for the high-melting
oxides and carbidas In the production of aermetn. Therefore,
the wettability (W) of cermot-a by molteu metal is of
particular importance. It may be assumed that the M of the
semiconductor is the greaterg '%-,he higher iti electrical
conductivity is. In the work under review this relationship
was investigated in the systems: Mg - NiO; UgO CoO, Ai203
Cr20 3 -Kgo-Cr203 - Fe 304* Vn, aluminum (99.99 A!), copper
(99.99'f- Cu), nickel (99.99 % Hi) and Armco ir.-in were used as
binding agenta. Experiments were made with a specially
designed apparatus (Fig 1) in vacuum and argon atmc-sphcre at
temperatures of uP to 15500. All systems investlgated reveal
Card 1/3 -that the (,,V) incranses in parallel with the electrical

Investigation of the Wotting of Sol'kd Su;!faf~eq cf SCM[6-33-6-1 1/444
Difficultly Melting Oxides With Liquld Metals
6onduativlty. The wetting angle m3asurad -changes markedly e.g.
in the system (Mg, Ni)O - Sn from 1300 4.1; '0-200. Consideratima
are made concerning the chemijal reastion at tne phase
boundary, and a computation z,f the surface energy betroan the
phases is carried out. It in ausumed that the elattrons of
conductivity participate in V-1o molton wretting
phenomena concerning thu oxlC-~z. A reiatlons".-.tp was found
between the eleatrical ocLductivity of the cxides and their
thermolynamia stat.11ity (of tlio formaVon heat). The comp-,zted
raoultu concerning the wettini..anglo or liquid metal on the
oxide surfaae ara comparod wit44 exparl-ontal data and thoy
are shown to agree with respact to the ~:rzlfr of mag-iiitude. '11he
computation, howevo~~, ura&l; b,3 irorked oi.'u wLth a 5till gr6atur
accuraoy. There are 3 figaroo and 14 referenua3, 05 of which
are Soviet.
ASSOCIATIONt Akademiya nauk USSR 17 Institu~ metallokeramiki i spetaial:nykh
splavov (Academy of Sciences of the UkrSSR )Institute ~)f
Powder Metallurgy and Special Alloya)
Card 2/3

f
Investigation of the Wetting of Solid Surfaces of SOV176-33-6-11144
Difficultly Melting Oxides With Liquid Metals
SUBMITTEDt October 16, 1957
Card 3/3

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YM-DIENKO, Valentin Ilikiforovich
The wetting of refactory compounds with liquid metals, USSR,
by V. N. Yeremenko and Y. V. Naydich. New York, usms, 196o.
110 p. illus. graphs, tables. NPRS: 5006)
Translated from the original Ukrainian: Zmochuvannya ridkywr
metalwW poverkhen' tugoplavkykh spoluk. kyyiv, 1958.
Bibliography: p. 103-110-

5114 100
AUTHORSi
TITLEs
PERIODICALs
Fesenko, V. V. and Yeremenko, V. R.
87521
S1073J60102610021009101
B023/Bo67
Apparatus for Measuring the SurfaCe Tension of Metals at
High Temperatures by the Method of Maximum Pressure in
Gas Bubbles
Ukrainskiy khimiche-qkiy zhurnal, 1960, Vol. 26, No. 2,
pp. 198-200
TEXTz The authors designed a vacuum apparatus for determining the aurfa0ft
tension of liquid metals at temperatures up to 17000 by the method of
maximum pressure in thG gas bubble. The measurements were made by means
of beryllium oxide capillary tubes. The snheme of this apparatus Is shown
in the figure. 1 - vacuum chamber, 2 - resiBtance furnace, 3 - heat-
Insulating screens, 4 - metal containing crucible, 5 - ceramic capillary,
6 - manometer with vacuum oily 7 - regulating capillary tap, 8 - quartz
tube, 9 - regulating device, 10 - vacuum pump, 11 - manometric tubes,
12 - gas purification chamber, 13 - furnace with metallic ca' 'oium, 14 -
liquid-nitrogen cooled trap a) to the auxiliary pamp, b) gas. With this
Card 1/0

87521
Apparatus for Measuring the Surface Tension of S/073/60/026/002/008/015
Metals at High Temperatures by the Method of B023/13067
Maximum Pressure in Gas Bubbles
apparatus the authors studied the surface tension of pure liquid mercury,
tin, copper, and of metals of the iron group. Some measurement resultq
for 99.99%-pur-ity metals are given in the table.
metal toc surface tension dyn/cm
In helium in hydrogen
mercury 20 475 475
tin 600 530 530
copper 1250 '1290 1300
nickel 1470 1490 1650
cobalt 1520 1620 1590
Iron 165o 1430 1400
There are 1 figure, 1 table, and 2 roterencesi 1 Soviotp I USp 1 Brttish,
and I German.
ASSOCIAT.1011i Inst."tut metallokeramiki I 23platsialnykh splav.:,-,r AN USSR
(IntitJtuto of Powder flotallur(;y and Special Alloy-3 of the
Academy of ScL--,ncAri UkrSSR)
SUBMITTED- October 6, 1956
Card

YEREMENKO, V.1N., Doe Chem Sci -- (diss) "Investigation in the
field of the physico-chemical foundations of the formation of
a metalloceramic body." Kiev, 1960- 32 pp with graphs; (Ministry
of Higher and Secondary Specialist Education Ukrainian SSR, Khar'-
kov Order of Labor Red Banner State Univ im A. M. Gorlkiy); 200
eopies;)~rice not given; list of authors' work on PP 30-32 (25
entries , (KLI 25-60t 127)

ma i wa mawITATION SM/4025
Teremnko,, Vaaentin Nikiforovich
Titan i yego splavy (Titanium and Its A13AP) 2d ed.., rev. and enl. Ki~rev,
ltd-vo AN USSR, 1960. 499 p, 5,,000 copies printed.
Sponsoring Agency: Aka&Wya nook McrainsUoy 89M. Inatitut metallokermiki i
spetsialtnykh splwov.
Zd.: LN, Frantsevichp Corresponding MeOerj Acade3W of Sciences USSR;
Ed. of PubliabIng louse: I.Y. Kisina; Tech. Xd.: 0,A. K&Wkwvlch#
PURPM: The book is Intended for technical personne).p scientific workerep
plant laboratory staM, and:'students of mtsUurgleal scbools of higMr
education,
COVMU=t The monograph is an exhaustive review of Imentigations on binary system
of wtal.&Uoys containing titanium and is claimed to be the met compute
reference book on binary titanium alloys. Data are provided on the structure and
rtles of binary titezi= alloys of &U system investigated to date on

Titanium and Its Alloys, WV/4025
the occurrence of titanium in naturs, Volume of pr9ftetlony AzA the Wtbods Of
producing., compacting and processing wtalia titanixis and Its allwys. World-
vide bibliography np to 1958 inclusive is presented. The author exMssea his
thanks to LA, dayevskaya for her szoistance. Each article is accompanied by
11magrous references (total 1813),, both Soviet wA non-Soviet.
OF CWTKWS:
From the RUtor 3
Preface to the Second 2dition 4
Preface to the First Edition 5
Introduction 7
1. Occurrence of Titanium in Nature 18
2. Processing of Titodw Ores 22
3. Preparation of Metal T:Ltmlwa 27
-e~~

i8.6ooo 77164
SO1111 29-6o-i -12/222
AUTHORS: Yeremenko,-V. N (can(ji.claw or 111ochnical Sciences),
N-aff-anzon, Ya. V. (Engineer)
TITLEi Changes in Electrical Conductivity During 'the Sintering
of Metal Powders
PERIODICALi Metallovedeniye I termicheskaya obrabotlca metallov,
3-960,.Nr 1, pp 39-42 (USSR)
ABSTRACT: The authors investigated the changes in the electrical
resistance of Cu- and Ni-powder compacts as they depend
on size, compacting pressure, and sintering temperatures.
The study also concerned changes In the electrical
conductivity of Cu-Ni and Cu-Mo systems as influenced
by composition, temperatures, and sintering time, The
.content of impurities in the powders was as follows:
(1) Cu powder: Fe, 0.07. (2) Ni powder: Fe, 0.052;
Cu, 0-04; Co, 0.1%. 3) Mo powder: Fe and N1, traces.
Specimens (10 cm long, 3 x 3 mm cross section) were
prepared from these powders. (1) Electrical resistance
Card 1/0~/ of sintered specimens cooled to room temperatures was

Changes In Electrical Conductivity During 7,ji6li
the Sintering of Metal Powders 0()11/129-00-1-12/22
measured by means'of a Thomson bridge. Error: + 1-10-7
ohm-am. Cu and Ni powders (mesh 175 to 250) wePe com-
pressed under 11) 6, 7, and 12 ton/cm2 loads and sintered
for 3 hours at 900 and 1,000 C respectively (see Fig.
I? tog
Fig. 1. Electrical resistance of green and s1ntered
specimens versus compacting pressure. (1) Cu before sinter-
Card 2 /JO ing; (2 Ni before sintering; (3) sintered Cu; (4)
sintered Ni.

Changes in Electrical Conductitilty During M64
the Sintering, of Metal Powders
Tests showed that the drop of electrical r~slstance
under Increased compacting pressure in Cu-powdera Is
primarily due to plastic deformation. The latter can
increase the area of contacts to the same extent as
sintering for 3 hours at 9000 C. The assumption of
11. 11. flausner and John H. Dedrick in "The Phjsics of
Powder Metallurl, 1951 [Ref 1.1, that thin poorly
conductive layers are decisive -In changing the r(2313t-
ance is disproved by the authoro. (2) The influcnc6
of the size of Cu- and NI-powder particles (150 to
175; 175 to 250 and 250 mesh) on electrical resistance
was tested by means of S~ nte'red specimens compressed
under a load of' 6 ton/cm . Results confirmed data
given in Ref 1 ; i.e., electrical resistance of green
specimens Increases with increasing- fineness of po,,,,der;
however, after sintering, electrical rF,,o1.,Aanc(;,., 1.3
lower than in coarser powders. (3) Sintering tempera-
tures-were studY In the above pow,3r3 compressed
under a 04 ton/cm load for 3 hours at 600, 600, 800,
and 900 C(Cu), and 700, 8oo, goo) 1,000, and 1,1000 C
Card 3/0 L (Ni). The effect of sintering temperatures on the

Changes in Electrical Conductivity During, 77161~
the Sintering of Metal Powders SOV/129-6o-i-12/22
changes in electrical resistance lends itself to cal-
culations according to the Arrheni"as equation. The
calculated heat of activation of the sintering process
for Cu and Ni equals 17,000 and 34,000 cal/mole respec-
tively. These values conform to the values of 'the iieat
of activation in the process of surface 3elf-diffusion
of Cu and Ni. (11) The effects of the composition of
compacts on electrical resistance in the Cu-Mo system
are Illustrated in Fig. 7. As seen in that figure the
curves deviate negatively from the assumed straight line
of additive dependence. Minor deviations froin additive
values of electrical resistance of sintered Cu-Mo alloys
indicate the ab3cnc(~.- of noticeable solubility of cor-
ponents. The change of rcsistance of Cu-Ni sintered
powders is similar to that oC cast alloys. There are -I'
figures; 2 tableo; arid 3 references, 2 SovLetl, 1 U.S.
aa given In Ithe text.
ASSOCIATION: Kiev State University (Kievskly gosudarstv(_~nnyy universi-
Card 4/11 1 tet)

/00. Y/00
AUTHORS:
TITLE.,
80987
S/18o/6o/000/03/021/030
Yeremenko, V.N. Nizhenko,E+ na Tay Shou -Vey (Kiyev)
i
Surface of 1piquid Beryllium
PERIODICAL: Izvestiya Akademij nauk SSSR, Otdeleniye tekhnicheskikh
nauk, Metallurgiy4 i toplivo, ig6o, Nr 3, p l16 (USSR)
ABSTRACT: Large grain size and the columnar structure of cast
beryllium cause difficulties in machining of this metal.
Since addition of surface-active substances is one of
the methods used in grain refining, determination of
the surface properties of beryllium and its alloys is of
considerable practical importance. Taylor (Ref 2),
using a semi-empirical formula, calculated the surface
tension of beryllium at its melting point to be
2
,1 620 erg/cm The object of the investigation described
in the present paper was to determine surface tension of
beryllium experimentally., using the sessilo drop method.
The measurements were made at 1 500 0C on refined
beryllium, 99.980, purity, melted in vacuum (5 x 10- non Hg)
in berxilia crucibles. The density of beryllium at
1 500 C was determined from the dimensions of the drop,
Cardl/3 photographed at that temperature and from the weight of

80987
s/18o/60/000/03/021/030
Surface Tension of Liquid Beryllium E193/F,383
the metal immediately after he experiment and was
found to be 1.42 *0.04 g/cm . The surface tension
of beryllium at 1-500 0C determined in this way was
2
1 100 +~ 35 erg/cm The calculated value duo to Taylor
is 300% higher than that determined experimentally. If
the change of densit between the melting point of
beryllium and 1 500 &C is taken into account, this
difference is reduced to about 259'0 and becomes even smaller
if the temperature dependence of the surface tension is also
taken into consideration. 11owovor, oven then the calculated
and the experimental values differed by about 104%.
Although the present authors were unable to determine the
oxygen content of.beryllium after their measurements,
they believe that the quantity of oxygen absorbed from
the beryll1a crucible could not be excessively high; if
it is assumed that the effect of.oxygen on surface tension
of beryllium is similar to that on the wrface tension of
other metals, the value obtained by the present authors
Is lower than the true value but the error probably
Card2/3 f4l

80987
1 s/i8o/60/000/03/021/030
Surface Tension of Liquid Beryllium E193/E383
2
does not exceed 100 - 150 erg/cm .
There are 5 Soviet references.
SUBMITTED: December 16, 1959
VK
Card 3/3

GRIGORIYEVA, V-V-, YZEMMKO, V-N-_
Structure and properties of materials on a silicon carbide base;
materials prepared by sillconizing graphite. Top* pore ast. L
prochne rate no*8:38-A8 1609 (min 133 8)
(Silicon carbide)
(Powder metal processes)

BRYNISH, A.)4* I
Structure and pToperties of materials on a silicon carbide base;
materials prepared by slip canting* Vopo por WIL i prochn# mat-
no.8:49-54 16o. (Silicon carbide) WM 1318)
(Powder metal processes)

GRIGORIYNVA, V-V-, ymfoamo, V-N- f materials On a 6ilicon carbide
Structwe and properties 0 ties of materials not containing
base; preparation and Proper rochn- mat"O 8:55-6o 160.
free carbons Vop. Por. Met. I P . ivinA 13.8)
(Silicon carbide)
(X,t&l powder products)

GRIGORIYICVA. V.V., TUMMO, Y.N., LUVTMTS, A-P-
Structure and properties of laterials on a silicon carbide base;
Investigating chang )f struct=e and phase constitution
during heating and soaking at high teaeraturese Yope pore vat.
i prochn. mat. no.8:61-65 060* WU 130)
(Silicon carbide)
(Ketal powder products-Testing)

S/078/60/005/009/031/040/XX
B017/BO58
AUTHORS: .- Yeremen~o, V. ff. Listovnichiy, V. Ye.
TITLEs The Influence of Oxygen Partial Pressure on the Dependence of
the Electrical Resistance Upon the Composition in the
v) MgO - CaO 3 System
PERIODICALs Zhurnal neorgLnicheakoy khimiip 1960, Vol- 5, No. 9,
pp. 2056-2060
in a BHHWO-120 (VNIIO-120) kryptol furnace in a temperature range of from
17500 to 17800C. The resistivity of these specimens was determined. The
apparatus for measuring the electrical resistance in vacuum is shown
schematically in Fig. 1. The resistivity of the specimens in air and in a
vacuum of from 1 to 2.1o-5 mm Hg at temperatures of up to 10000C was
measured by the probe method.,The temperature dependence of resistivity
is illustrated in Figs. 2 and 3 by the coordinate log ?-f(I/T). The
dependence of resistivity on the composition of the specimens was
TEXTt Specimens of various composition were produced from MgO and Cr 0
2 3
Card 1/2

The Influence of Oxygen Partial Pressure S/078/60/005/009/031/040/XX
on the Dependence of the Electrical BO17/BO58
Resistance Upon the Composition in the
MgO-- Cr203 System
determined at 10000C and 6000C in air and in vacuum. The results are shown
in Fig- 4. The temperature dependence of the resistivity is almost equal
for measurements in air and in vacuum. A relatively small minimum was
observed at 52 to 58 mol% Cr2o 3 and maxima at 50 and 66 mold Cr 20Y The
authors mention V.F. Smachnays, and P. Ya. Salldau. The energy of
activation (E) of the current carrier was calculated from the temperature
coefficient of resistivity. Comparatively high energies of activation
were calculated for specimens with a Cr 0 content of 52 to 65 mol%-
2 3
The measurement of the electrical conductivity of oxide systems can be
applied generally as a very sensitive method f6r physico-chemical studies
at various temperatures and pressures.There are 5 figures and 11
references; 5 Soviet, 2 US, 3 German, and 1 Polish.
SUBMITTEDs June 30, 1959
Card 2/2

84216
5/07 60/005/010/011/021
B004YB067
AUTHORS: Yeremenko, V. N., Tretlyachenko, L. A., Yakhimovich, R. I.
TITLE: Melting-point Diagram of the Syntem"Tantalum - Vanadium
PERIODICAL: Zhurnal neorganicheskoy khimii, t960, Vol. 5, 110. 10,
pp. 2290-2293
TEXT: The authors studied the structure and properties of tantalum -
vanadium alloys to determine the phase diagram of this system. The two
components were fused in an arc furnace in argon atmosphere at 300 - 400
torr. The alloys were homogenized by remelting them 6 to 7 times, viz
alloys of up to 50,atom% Ta at 16000C, and of more than 50 atom% Ta at
18000C. They were homogenized in vacuum of at least 1.10-4 torr in an
MgTr-3ti (NVP-ZM) high-frequency furnace. The microstructure of the alloys
(Fig. 1) showed that in the system Ta - V a continuous series of solid
solutions is formed, which was confirmed by X-ray examinations. All alloys
had a body-centered lattice whose parameter steadily increased from
3.02 U (pure vanadium) -io 3.29 U (pure tantalum) (Pig. 2). Microhardneas
Card 1/2

Melting-point Diagram of the System
Tantalum - Vanadium
84216
3/070/60/005/010/011/021
B000067
-was determined by means of a flff-3 (PMT-3) apparatus (Fig. 3). It varied V
according to the rule formulated by Kurnakov-Zhemchuzhnyy for continuous V"
series of solidmetal solutions. The solidus line (Fig. 4) was determined
by heating the samples fastened between electrodes with a current passing
through them. In the circuit, an OCY-20 (OSU-20) transformer and a
THH -130 (TNN-130) buncher were used. The temperature was measured with an
On -48 (OP-48) pyrometer. As is shown by Fig. 4. the temperature at the
beginning of the melting process rises steadily from 18000C (pure vanadium)
to 29500C (pure tantalum). At lower temperatures (1000 - 140000, the
formation of a small amount of a new phase was observedv which is further
investigated. There are 4,figurea and 3 references,. 2 Soviet and 1 US.
SUBMITTED: July 27, 1959
dard 2/2

83666
5/073/60/026/004/004/008
V-11 2-10 ed ni 6/13054
AUTHORSt Yeremenko, V. N. and Nizhenko, V. 1.
TITLE: The Influence of Carbont-lon the Surface Tension o:r Liquid
y,Aqobalt and EickelAAs Well As Their Interface Tension
With Aluminum,Oxide ~-A
PERIODICAL: Ukratnskiy kbimicheskiy zhurnal, 1960, Vol. 26, no. 4,
PP- 423-428
TEXTv As there are no data in publications on the influence of carbon
on the surface tension of liquid cobalt and nickel, the authors measured
this tension in liquid metals and alloys and the wetting angles at high
temperatures (155o-16oooc) in Yacuo or In protective gas. Inductive
beating by much improved apparatus (as compared with Ref, 1) was used
for this purpose. Figs. I and 2 show this apparatus schematically,, The
vacuum was produced by a vacuum pump of the type'aBA -4.00 (TsVL-100 and
a forepump of the type P13H -20 (RVN-2O)*Tabl-Q-1 compares the authoral
data for the surface tension with data in publications (Refv. 4,6).
Fig. 3 shows the isothermal lina of the surface tension In Ni.-C alloys
Card 1/3

83666
The Influence of Carbon on the Surface Tension of S/073/60/026/004/004/008
Liquid Cobalt and Nickel As Well As Their Inter- B016 B054
face Tension With Aluminum Oxide
at 1550oct and Fig. 4 the isothermal line of 0-adsorption Jr, liquid
nickel. In weakly surface-active substances, the Isothermal IiAo of FIL9.3
follows well Shishkovskiyla equation. The curve of Fig, 4 was obtalned by
differentiation of this equation and introduction of the values of '46'
T
in Gibbs's adsorption equation for ideal systems. The isothermal line of
the surface tension of Co-C alloys is shown in Fig.. 5, Adsorption in-creM03
linearly with the concentration within the concentration range lnyestigate&
From a comparison of the influence of carbon on the surface tension -)f
nickel andcobalt, the authors conclude that carbon In liquid nickel is
more surface-active than In liquid cobalt. Finally, the autharn calculated
tho adhesion energy w and the tension dr at the intqrface
a solid-liqu
between liquid metal and solid aluminum oxide for Ni-C and Co-C alloya
(Table 2). There are 5 figures, 2 tables, and 12 referenceet 4 SOT!Qt~ I
'British, and I German.
Card 2/3

83666
The Influenee of Carbon on the Surface Tension of S/073/60/026/004/004/008
Liquid Cobalt and Nickel As Well As Their Inter- B016/BO54
face Tension With Aluminum Oxide
ASSOCIATIONs Institut metallokeramiki i spetsaplayov AN USSR (Institutq _-
" of Powder Metallurgy and Special Alloys of the AS M=rSSDR
SUBMITTEDt February 24, 1959
0
Card 3/3

664.~_'1Y
S10731601026100510091019
q.1 2, 00 B004/Bo63
AUTHORSt Yeremenko, V. R. and Nizhenko, V. 1.
TITLEa Wettability of Aluminum Oxide by Means of Liquid Tin-
Titanium Alloys ani Their InterfacJal StreBB on the
Boundary With Aluminum Oxide
PERIODICAM Ukrainakiy khimicheakiy zhurnal, 1960, Vol. 26, Ho. 5,
pp. 605-608
TEXTs In a previous work (Ref. 2), the authors had found that an admixture
Of 0-083 % by'weight of Ti lowers the surface tension of tin at 3000C from
539 ergs/cm2 to 155 ergs/cM2. An Sn-Ti alloy containing 0.2% of T1 has a
wetting angle that is much omaller than 900. This may be of practical Im-
portance when soldering ceramics with ceramics or metals. Prom this point
of view the authors have studied the effect of adding Ti to Sn on the
stress on the interface between the Sn alloy and solid oxide (A1203).
Using the data of Ref. 2 on the surface tension C' 11q of Sn-TI. alloys, the
Card 1/t

86457
Wettability of Aluminum Oxide by Means of S10731601026100510091019
Liquid Tin-Titanium Alloys and Their Inter- B004/BO63
facial Stress on the Boundary With Aluminum oxide
wetting angle 0 , and the 2surface tension 6' sd of solid Al 203 which was
set equal to 1050 ergo/cm according to Ref, 4P the Interfacial. stress was
calculated from tho relation T int - (7, ed -16 1.1 qtoo 0 (1). At 3000C, the
following values were obtained for an increase In Ti concentration Ci
C9 g-atom/1-104 (Y' liq , erg/cm2 9, degree 6intv erg/cm2
0.00 539 140 1465
12.86 292 149 VZOO
-48-53 1-55 148
This effect was ascribed to a reaction w .,th oxygen. Though the concentra-
tion of 0 2 at 1o-4 mm. Hg does not affect the surface tension of Sn, the Ti
admixture acts as a getter and adsorbs oxygen which, In turnt lowers the
surface tension. The iridescence observed is also indicative of a reaction
with oxygen. Experiments with a Ni-Ti alloy in hydrogen have shown that
Card 21 -z'

86457
Wettability of Alumirium Oxide by Means of. S1073160102610051005 r;'-,
Liquid Tin-Titanium Alloys and Their Inter- B004/BO63
facial Stress on the Boundary With Aluminum oxide
A
Ti does not affect the surface ton~sion of Sn, but lowers it immediately as
soon as oxygo 'n is added. The isothermal line of Ti adsorption at 3000C on
the interface was calculated by grap~hical differentiation of the function
'Tint f(c)v where a denotes the concentration of Ti (see Fig. 2). As=ing
that the maximum of the isothermal line constitutes a saturation point, the
thickness of the adsorbed layer-was found to be 2-13 A.
Text to Fig. 2.- 1 g-atom/cm2.10110; 2: Ti, g-atom/1.104.
There are 2 figures, I table, and 10 referencest 5 Sovieti 3'US, and
2 German.
ASSOCIATION: Kiyevskiy gosuniversitet im. T. G..Shevchenko (Kiyev State
University imeni T. G. Shevchenko)
SUBMITTED:. February 24, 195~ 1
Card '34

CTIM XNW, V.N.;_KAYI)ICK, YU.V.; NOSONOVICH. A.A. (Kiyev)
Surface activity of o7ygen in liquid copper-oxygen allo7s. Zhur.
fis.khim. 34 no.5:1018-1020 My '60. (MIRA 13:7)
1, Akademiya nauk USSR. Tn9titut metallokoramiki i sDntaial'nykh
splavovi'i Klyevekiy godudaratvannyy universitet im-T.G. Shevcheako.
(Copper--Oxygen alloys) (Surface tension)

5/076/60/034/06/05/040
B015/BO61
AUTHORSt Yeremenko, V. N.) Naydich, Yu. V., Nosonovich, A. A (ri.yev)
Goo him ON
TITLEi The Interface Activit of Oxygen in Liquid Metal - Solid
Oxide Systems
PERIODICALs Zhurnal fizicbeekoy khimii, 1960t Vol. 34, No. 6,
pp. 1186-1189
TEXTs The wettability of the surface of aluminum oxide and magnesium
oxide with copper - oxygen melts was examined (Table, composition of
melts from 0.0 to 3-4 at% oxygen). The degree of wetting was determined
from the angle of contact (which depends on the interface surface
energies). The angle of contact was measured photographically on drops
of the metal melt resting on the oxide, in a special vacuum apparatus
(Ref. 5) in argon atmosphere at 11500C. Experiments with the system
CU(02)-Al2O 3 showed that the oxygen present in copper greatly increail..
the wettability of the oxide with copper. With the help of the Gibbs
equation It was calculated that the oxygen adsorption on the interface,
Card 1/2 V\/

The Interface Activity of Oxygen in biqu-0 S/076J60 OL~3 , 06/05/040
Metal - Solid Oxide Systems BO I VB061
of the metal melt-A120, passes through a maximum at an oxygen content
of about 1 at% (Fig- 4). Data on the excess concentration of the oxygen
bound to the surface of the oxide indicate that the latter is adsorbed
at lattice junctions where the aluminum ions are, causing the adsorp-
tion of an oxygen ion on an aluminum ion. Similar statements were made
with the system Cu(02)_MgO1 where the wettability of copper on
magmesium oxide by oxygen is not so greatly increased as in the case of
A1203' There are 4 figures, 1 table, and 8 references: 3 Soviet,
3 American, I German, and I British.
ASSOCIATIONs Akademiya nauk USSR Institut metallokeramiki i spetsialtny'l.-h
splavov (Academy of Sciences UkrSSR, Institute for Lowder
Metallurgy and Special Alloys . Kiyevskiy gosudarstvennyy
universitet im. T. G. Shevchenko (Kivev State University
imeni T. G. Sheychi~nko)
SUBMITTED3 June 30t 1958
Card 2/2

32616
I Vu 3/137/61/000/011/072/123
A06O/AlO1
AUTHORS: Yeremenko, V.N., Tolmacheva., Z.I.
TITLEi On triangulating the system titanium-carbon-nickel
PERIODICAL: Referativnyy zhurnal. Metallurgiya, no. 11, 1961, 25, abstract
llZhl52 ("Poroshk. metallurgiya", 1961, no. 2, 21-29, English
summary)
TEXT: To determine the triangulation of the system TI-C-Ni, alloys were
investigated whose compositicralle upon the intersection of the sections TiC-Ni
and Ti -Ni-C, TiNi-C, TiNi-z-C. The solubility of Ni in TIC in 'the solid state
was dei;rmined., The alloy-a" with composition T12Ni, TiNi, and TIM were prelimi-
narily smelted in an are furnace, and then were alloyed with grap~Tte of high
purlty. The investigation wan carried out by the mothods of metallographic and
X-ray analyses. It was demonstrated that the system TI-C.Ni Is quasi-binary, and
a diagram was constructed for the system TIC-NI. The Ni solubility In TIC in the
solid state cohstitutes 0.7-0.8% and does not vary with the.temperature In the In-
terval 1,000-1,2800C. There are 9 references. Z. R6gachevskaya
[Abstracter's note: Complete translation]
Card 1/1

B/1.37/62/000/002/122/237
A052/A101
AUTHORSs Yeremenko, V.N., Tolmobeva, Z.I.
TITIEt on.the triangulation of the system titanium-carbon-chromium
PERIODICALl Referativnyy zhurnal. Metallurgiya, no. 1, 1962, 6, abs"tract 1142
(41oroahk. metallurgiya, no. 2. 1961, 30 - 34, English summary)
TEM For determining the triangulation of the system Ti-C-Cr, alloys of
Ti with Cr C2 and Cr7C3 and of TiC with Cr were studied. Tte investigation was
-2 b.
carried ou y the m6tfiod, of metallographic analysis. It is shown that the
TiC-Cr section in the Ti-C-Cr system is a quasibinary one. There are 8 refer.
enoes. see also Pm*%t, 1961, 1lZh152.
2. Rogachavskaya
[Abstracter's notet Complete translation]
Card 1/1

33798
S/137/6z/ooo/oo1/043/237
A060/A101
AUTHORSs Yeremenko, V. N., Velikanova, T. Ya.
TITLEZ On triangulating t~e system titanium-carbon-molybdenum
PERIODICAL: Referativnyy zhurnal, Metallurglya, no. 1, 1962, 36, abstract 1G265
("PoroBhk, metallurgiyall, 1961, no. 3. 20 - 24 [English summary])
TEXT: An analysis of the thermodynamical data on the carbides of Mo and Ti
has.made It possible to assume that the system Ti-C-Mo should be susceptible to.
triangulation along the sections TiC-Mo, TiC-Mo2C, TiC-MoC. The experimental
verification of this assumption w4a carriqd out upon the alloys of these binary
systems, prepared by pressing the mixtures and sintering at 1,8500C for 5 hours.
X-ray structure, durometric, and metallographic analyses have uncovered in the
sintered alloys the presence of only two phases: Mo arA TiC. A'conclusion is
drawn as to the pseudobinary eutectic nature of the Mo-TiQ system and the results
of investigatiorBof the Mo-Ti-C diagram by other authors are discussed.
R. Andriyevskiy
(Abstracter's note: Complete translation]
Card 1/1

TEROMNKO, V. N.
Thermodynamic properties of the components of liquid
solutions In the system aluminum - zinc; Zhur.fixokbim.
34 no,7:1495-1502 J1 160. (MIRA 13:7)
1. KiyeTekly gosudaretvannyy universitat in. T.GoSheycheakoo
(Aluminum) (Zinc) (Alactromotive force)

_IERMENKOf MI... otv. red.; FREITSEVICH, I.N.., red.; SkIlSONOV, G.V.,
red.; FkDORCIOIKO, I.M., red.; PISARRIKO, G.S.p red.;
GRIGOROYEVA,, V.V... red.; 111ZHE21KO, V.I.) rod.; FOYaWSKMA,
Z.S., red. izd-vaj LISOVETSp A.M., tokft. rod.
(Surface phenomena in metals and alloys and their role in
powder metal processes) PaverkhnostrVe iavlaniia v metallakh i
splavakh i ikh roll v protsessakh poroshkovoi metallurgii.
Kievs Izd-vo Akad. nauk USSR, 1961. 213 p. WIRA 15:4)
1. Akademiya nauk URSR. Kiev. Instytut metalokeramiky i ape-
tsiallrorkh splaviv. 2. Kiyevskiy gosudarstvennyy universitet
im. T.G.Shevehenko (for Yeremenko)o
(Powder metal processes) (Metals)

I. ILOD
AtMORS: Yeremenko, V. N., Lesnik, N. D.
33804.-
S/i37/62/000/001/059/237
A06DIA101
TIMEt On saturating porous titanium carbide with cobalt; nickel, ~knd*their
alloys with copper
PERIODICAL: Referativnyy zhurnal, Metallurgiya, no. 1, 1962, 39, abstriat,10294
summary!
("Poroshk. metallurgiye, 1961, no. 1, 43-49, Englisli
TW% TiC ingots fabricated by sintering freIely poured powders at 1,5000C
in vacuum, were saturated at high vacuum of ^110-5 mm Hg by Ni, Co and their Cu-
alloys. Pure nickel and cobalt react very vigorously with TIC and it is impos-
sible to carry out the saturation in practice;, by the.use of saturated'soluti6ns
of Ni and Co with TIC the saturation of porous billets proceeded safely, but so
rapidly that it was not possible to study the lawsW kinetics. Only with the
use of alloys of Cu - (15-20%) Ni (Co) did one manage to plot the saturation
Isotherms, which confirmed the parabolic dependence. The saturation Activation
energy was estimated. It is noted that the limiting process of the saturation Is,
in the majority of cases, not the viscous.:flow of the molten metal, but Its
spreading over the surface of the solid framework. R. Andrlyevskiy
fAbstraoter's note: Complete translation]
Card 1/1

1.1',&*V- .11-1 ---------------
W11*1.
YEREMMO, V.N. (Kiyev); NIZHFNKO, V.I. (Kiyev); NA7DICH, Yu.V. Wyev)
Surface tension of certain molten intermetallides. Izv. AN.
SSSR. Otd. tekh. nauk. Met. i topl: no.3:150-154 MY",Te 161.
WIRA 14:7)
1. Institut metallokeramiki i spetsiallnykh splavov AN USSR.
(Surface tension) (Intermetallic componds)

3608
8/137/62/000/00.3A74/igi
I/ A006/AlOl
AUUIORS: Yeremenko, V.N., Tolmacheva, Z.1.
TITIB: Solubility of chromium and chromium carbides in titanium carbide
in solid state
PERIODICAL: Referativnyy zhurnal, Metallurgiya, no. 3, 1962, 44, abstract 30309
("Poroshk. metallurglya", 1961, no. 4, 31 - 36, English summary)
TEXT: The authors analyzed the possibility of dissolving Cr and Cr car-
bides in T1 carbide, based on notions of deficiencies Jn ftTLOlattice. Alloys
TIC-Cr, TiC_Cr3Cp, TIC-Cr23C6, TiC_Cr7C3 were prepaxvd by methods of hot pressing
and sintering of the pressed blanks, with subsequent homogenizing annealing. A
motallographical analysis of the alloys obtained has shown that at up to 6 - 6.5
weight percent Cr, all the alloys are single-phase ones, I.e., sdubility of Cr
and Cr carbide in TIC on conversion to the Cr content is equal and does not
depend on the temperature in the investigated range. It is shown that at temper-
atum up to about 0.5 Tmelting of a refractory component, the solubility of metal
in metallic compounds changes insignificantly in the majority of cases.
[Abstracter's note; Complete translation] R. Andriyevskiy
Card 1/1

30895
1 2_1A 00 s/i8o/61/ooo/oo5/oo5/O18
Elll/E135
AUTHORS: Y-eremenko, V.N.f and Lesnik, N.D. (Kiyev)
TITLE: Kinetics of the impregnation of porous iron and
nickel with liquid lead and silver
PERIODICAL: Akademiya nauk SSSIt. Izvextiya. Otdeleniye
tekhnicheskikh naul., Metallurgiya i toplivo,
no.5, 1961, 43-50
TEXT3 Impregnation of porous solids with liquid metals in
widely applied in cermet production. In the present investigation
an attempt is made to find the influence of temperature, extent of
porosity and pore size on the kinetics of impregnation in systems
in which no interaction occurs (Fe-Pb, FG-Ag) and with limited
solubility of the porous metal in the impregnating liquid (Ni-Pb,
Ni-Ag). The latter conditions were interesting in that the
decrease in free energy on impregnation was made up of wetting-
energy effects (as in the former conditions) and of energy of
mixing when the solution is formed. The apparatus used is shown
in Fig.l. (I - quartz reaction-vessel; 2 - water-cooled brass
cap; 3 - device for vertical movement of the specimen;
Card I/ 11~

30.95
Kinetics of the impregnation of ... s/i8o/61/000/005/005/018
Elll/E135
11 quartz-sheathed thermocouple; porous sample; 6 - crucible
WIth molten metal; 7 - ceramic cylinder with-a heater;
8 - nickel and molybdenum screens; 9 - magnesite support for
resistance furnace; 10 - electric leads). The rate of
penetration was found from the rate of the weight increase of the
specimen, experiments having nhown that the penetration front was
a practically straight surfaco perpendicular to the direction of
penetration, The specimens were made from powderst electrolytic
iron powder was annealed at 800-900 'C for go minutes in hydrogen
and then screened; grade Hrl-l (NP-1) nickel powder was used.
Sintering was carried out on freely poured powders in quartz
tubes, at temperatures and pressures depending on the size grading.
For studying the effect of temperature on penetration rate
67-69% porosity specimens were used. Nickel specimens had
62-64% porosity. For impregnation, 99.99% Ag silver and
"analytical" purity lead were used, the latter being melted and
repeatedly filtered under vacuum before use. The results were
found to be satisfactorily represented by:
(A m/D2)2
Card 2

30895
Kinetics of the impregnation of S/180/61/000/005/005/018
Elll/E135
wheret 6 m is the weight gain of the specimenj v in
impregnation time; D is the diameter, From the temperature
effect the activation energy was found to be 43 koal/g.atom for
iron-lead, and 93 for iron-silver. The work showed that the rate
of impregnation increases with Increasing pore size and with
increasing extent of porosity if the grain size of the powder is
maintained. Betause of the very rapid impregnation of the porous
solid the rate of impregnation by pure metal and saturated
solution is the same. Comparison of the a4:tivation energy of the
impregnation process with that of the viscous flow of the
penetrating liquid showed substantial differences; the values
differ for the impregnation of different solids with a given
liquid. On the basis of this and the variation of wetting angles
with temperature the authors propose that the controlling factor
in the impregnation of porous iron and nickel with liquid lead and
silver is not viscous flow of the liquid in capillaries but the
spread over the solid surface.
There are 7 figures, 4 tables and 7 referencest I Soviet-bloc,
I Russian translation from non-Soviet publication, 4 English and
Card 3/ov

30P195
Kinetics of the impregnation of ... s/18o/61/ooo/m/oo5/018
Elll/E135
1 German. The English language references read as follows:
Ref.2: E.W. Washburn. Dynamics of the capillary flow.
Phys. Rev., 1921, 7 Ms 273-
Ref.3: K.A. Semlak, S.W. Spensers F.H. Rhines. Rate of capillary
rise of liquid metal in a higher melting metal powder
compact. J. Metals, 1957, 9 (1/2), 63.
Ref.6: H.J. Fisher, A. Phillips. Metals, 1954, 6 (9), io6o.
Viscosity and density of liquid lead-T, U and antimony-
cadmium alloys.
Ref.7: K.A. Semlak, F.N. Rhines. The rate of infiltration of
metals. Trans. Met. Soc., AIME, 19589 212 (3), 325.
ASSOCIATIONs Gosudarstvennyy universitet im. T.G. Shevchenko
(State University imeni T.G. Shevchenko)
Institut metallokeramiki i spetseplaYov, AN USSR
(Institute of Powder Metallurgy and Special Alloys,
AS Ukr.SSR)
SUBMITTED: July 14, 1960
Card 4/fV

S/180/61/000/006/010/020
E073/ES35
Atj,rHORS* Yeremenko, V.N. and Naydich, Y'I,,V. (Kiev)
'Pl'rl,F,, Surface tension of molt en rhodi tim and rn I I aft i tif"
PER I ODICAL - Akademiva nauk SSSR. 17.vestiya. Ordelenive
tekhnicheskikh nauk. Metall.oirgivn i tonlivo,
no.6, J961. 1-00-101
,r E xT The author.,4 determined flip qui-ftIce Ieitsiiovi rgnqi III,-
density of rhodium find palladium by Lhf~ lnrv,(- drop incLhod in n
vacuum of 9 x 10-5 mm Hg at the fusion temneraturem, I e.
14j,;4 *C for Pd and 19666c for Rh. In the experimeiit4 it high
I empera t ure, furnace with an open I mm diameter fitristen wire
winding tva,9' iised. The cup and base ii,4f?d f*or flip (~Yvprimt!ni-i
were.made of beryllitim oxide in the cac4p of Rtt ittid -it' Al.titainiotm
oxide in the case of Pd~ The diameter' of the top (~Ogr ot' the cup
was about 1~ mm. The surface tensioti nnd the vottime of Ifie drop
were sletermined by photographing the niolten dropa avirl mp"iQuring,
thoir maximum diameter, height nnd migle ot' rotitiirt At the
Custon temnerature W?664c) [tit tins (I den.4~1.v nt' 10.01i .. o'l g/rm
0 a murface t&nxion- of 191*0 + 50 ervlcm (whet-pin th; errorq III
Card 1/2

Slirf*nce tension of molten
H07 i/l-,-,3-;
the men-Rured density are taken into consideration), I'd at flip
ftision temperature 095400 has a surface tension of
J470 t 10 t!rg/cm2 and the densit. estimated according to
rmpirical formulae wat; 10,7 X/Cmi. Th e r e n r e A 1) 1 0 It 1141
S referencest 4 SovJet-bloc and I non-Sov.let-b.loc. I'lle 1"fig I i.-411-
language reference reads as follows., llef.4-, Hashfort .~n
attempt to test the theories of capillary action, Cnmbridge. 186.1
"S 0C. I A,r f ON - Institut meta 11okeramik i i FpetmlnIInN-kh svitivov
AN UkrSSR
(Institute of Cermets and Special Alloys Uki-S.SR)
Jnnuary 18, 1961
Ca r (I