SCIENTIFIC ABSTRACT VOYTOVICH, P.A. - VOYTOVICH, YE.D.

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• Collection: Scientific Abstracts
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• Document Creation Date: November 2, 2016
• Document Release Date: August 9, 2001
• Sequence Number: 17
• Publication Date: December 31, 1967
• Content Type: SCIENTIFIC ABSTRACT

VOYTV,IICH, P.A.; TATABRIKOy V.A.
Case of poisoning by beryllium. Sud,med. ekspert 6 no.4t
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AUTHOR: Vaganov, R. B.j YO
, ytolrjx~, . no No
ORG: Institute of Radio Engineering and Electronics, AN SSSR (Institut radiotekhnikt
t elaktroniki AN SSSR)
TITLE: Irregularities in a di2phragmo-type beam guide
: Radiotekhnika i elektronika, v. 11, no. 2, 1966, 339-342
TOPIC TAGS: beam waveguide, light pipel digital compAter
ABSTRACT: Propagation of dominant mode in a beam guide equipped with a aeries of
diaphragms, in the vioible-light range, is considered (cf. G. Goubau and J. R.
Christian, IEEE Trans., 1964, MTT-12, 2, 212). The coefficient of dominant -r-riode
t-rahamission through an imperfect diaphragm is determined. Additional losses due to
variations of diameter, tilt, longitudinal and transverse diaphragm offsets and also
due to fractures and bffsets of the axis were evaluated on a digital computer. It was
found that in the case of lines having no sharp fractures or bends, the transverse off -
sets of the diaphragms cause the greatest losses. A comparison with a confocal beam

Li~535--66
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guld,e--rovealed these points: (1) In the confocal-guide- _domlaant -mode losses are
;:aused by phase distortion. and higher-mode losses by aperture ft - ItationC
t m 0
(2) Losees due to transversal shift are much higher in the confocal guide than in the
diaphragm type. Orig. art. has: 4 figures and 7 formulas.
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AUTHORS: Voytovich, R.F. And Lavrenkot- V.A.
TITLE: The E luin*;tn High Temperature oxidation
t a
of Niobium.,1
'I
PERIODICAL: Fizilta metallov i metallovedeniye, 1960# Vol.10, No.4,
TEXT: The kinetics of oxidation of the 17% Nb -82.5% Ta,
33% Nb - 67% Ta, and 65% Nb -354,6 Ta alloys was studied by the
gravimetric method. Both recrystallized and plastically deformed
(33% reduction in thickness) test pieces (thickness - 0.1 mmq
total surface area - 2 cm2) were used; the experiments were
carried out at 500 to qOO*C for periods up to 6 h. The results
are reproduced graphically in Figs.1 to 4, where the weight
increment per unit area at a given temperature is plotted against
the time (h), in Fig.5 showing the temperature dependence of the
In K (where K is the constant of the parabolic law governing
the rate of oxidation of the alloys studied) and in Fig.6, showing
the concentration dependence of the oxidation characteristics of
these alloys. In general, the rate of oxidation of the plastically
deformed alloys was higher than that of the recrystallized specimens.
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The Effect of Tantalum on High Temperature oxidation of Niobium
At temperatures above 7000C the formation of scale was so rapid
that the specimens were completely oxidized in less than 2 h.
Scale formed at lower temperatures adhered firmly to the
unoxidized metal. in the case of the tantalum-rich alloys,
some anomalous effects were observed at 900 0C. Thus, the weight
increment/time curve obtained for these alloys (in the plastically
deformed condition) at 900% was below that obtained at the same
tempArature for the recrystallized material and below the
corroisponding curves obtained for both plastically deformed and
recr:rstallized specimens oxidized at 8000C. These effects were
attrIbuted to the formation of volatile lower tantalum oxides,
mainly Tao; -these are more easily formed in the presence of thick
scale, since then an oxidation-reduction reaction takes place at
the scale/metal interface. The attempts to determine by X-ray
diffraction technique the nature of the niobium and tantalum
oxides, obtained in the course of the present investigation, were
unsuccessful. The process of oxidation of all the alloys studied
obeyed the parabolic law in respect to the rate of oxidation, and
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The Effect of Tantalum on High Temperature oxidation of Niobium
the temperature dependence of K was given by
K = 0.144 exp 11,900/RT) for recrystallized, and
K = 0.145 exp 10,800/RT) for plastically deformed niobium.
The results obtained indicate that addition of tantalum reduces the
rate of oxidation of niobium at temperatures below 800*C and
accelerates it above this temnerature. There are 6 figures and
8 references: 3 Soviet and 5 English.
ASSOCIATION: Institut metallokeramiki i spetsiallnykh splavov
AN USSR (Institute of Cermets ane Special Alloys,
AS UkrSS!o
SUBMITTED: March 28, 196o
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AUTHORS: Frantsevich, I.N. and VQYtQvLQk6. N-F-
TITLE: High-Temperature Oxidation of Refractory Alloys.
1. The Tungsten-Titanium Alloys
PERIODICAL: Fizika metallov i metallovedenlye, 1960, voi.io, No.6,
PP-857-861
TEXT: The object of the investigation, described in the present
paper, was to study the kinetics of oxidation of titanium and
tungsten-titanium alloys, containing 15, 50 and 75% titanium, at
500, 6oo, 700, 800 and 900*C. The rate of oxidation of argon-arc
melted specimens, homogenized by 35 h vacuum-annealing, was
determined by the conventional gravimetric method. The results
indicated that whereas small additions of tungsten improve the
oxi'dation resistance of titanium at temperatures up to 7000C, the
ratq of oxidation of tungsten increases sharply as a result of small
additions of titanium. The -temperature-dependence of the rate of
oxidation of the alloys studied is described by K =.A exp(-B/RT),
the values of A and B being tabulated below.
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High -Temperature oxidation of Refractory Alloys. I. The Tungsten-
Titanium Alloys
Comp. wt %
W - Ti (15%)
W - Ti (50%)
W - Ti (7594)
A Temper;i ti,ire
Range 'C
7.39
-
4
1 31800
8 500 -
00 1000
00
1.29 X lo
2 00
29
4 -
5
00 7
900
1.04 x 10 9000 -
7
2-76 x -5
io 238oo 500 700
6.76 x
4 -3
io_6 596oo 700
00 900
00
x
3.7 10_4 19900 -
5 7
1.51 x 10 14900 700 - goo
The results are discussed in the frame of the concepts formulated
by Hauffe and Pfeiffer (Ref. 8 and 9). Part II of this study
relates to tungsten-zirconium alloys; it is published on
pp.682-685 of the same issue. There are 8 figures, I table and
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E-193/E483
High-Temperature Oxidation of Refractory Alloys. I. The Tungsten-
Titanium Alloys
10 referencesi 2 SovJ.et and 8 non-Soviet.
ASSOCIATION: Institut metallokeramiki i spetsinllnykh splavov
AN UkrSSR (Institute of Cermets and Special
Alloys AS UkrSSR)
SUBMITTEDs April 28, ig6o
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AUTHOR: P F..
TITLE: High-Temperature Oxidation of Refractory Alloys,
II. The Tungston-Zirconium Alloys
PERIODICAL: Fizika metallov i metallovedeniye, 1960, Vol,10, No-6,
pp.862-865
TEXT: In continuation of work described in the preceding paper
(PP-857-86i of the same issue), the kinetics of oxidation of
zirconium and tungsten-zirconium alloys, containing 10, 30 and
70% zirconium, were studied at temperatures between 500 and 9000C,
The results indicated that the resistance to oxidation of the
tungsten-zirconium alloys is lower than that of unalloyed tungsten
or zirconium. The values of constants A and B in the equation
K = A exp(-B/RT), describing the temperature-dependence of the rate
of oxidation of the alloys studied, are tabulated below,
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High-Temperature Oxidation of Refractory Alloys.
11. The Tungsten-Zirconitim Alloys

ComposItion
A
B Tempera ture
Range "C
1.35 4
- 29800 500 - 900
W- Zr (10%) 1.59 x 10 11900 500 - 700
1.0 6 39700
4 700 -900
00
00
W- Zr (30%) 1.23 x 106 900 -9
5
W- Zr (70%) 5.48 x lo 49700 500 -900
There are 6 figures, I table and 7 references: 3 Soviet and
4 non-Soviet.
ASSOCIATION: Institut metallokeramiki i spetsiallnykh splavov
AN UkrSSR (Institute of Cermets and Special
Alloys AS UkrSSR)
SUBMITTED: April 28, ig6o
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Oxidability of certain Imi-melting metals. Izv. All. SSSR. Otd.
tekh. nauk. Mot. i topl. no.3:90-95 MY-Je 161. (MIRA 14:7)
1. Institut motallokoramiki i spetsiallnykh splavov All USSR.
(Nonferrous motals-Thermal. properties) (Oxidation)

uo
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AUTHORSt and Makarova, RqV. (Kiyev)
TITLEt Oxidation of alloys of titanium and tantalum with
zirconium at high temperatures
PERIODICALt Akademiya nauk SSSR. Izvestiya. Otdeleniye tekhniches-
kikh nauk, Metallurgiya i toplivo, 1961, No.4,
pp-95-100
TEM Alloys were prepared from metals of high purity
(Ti 99.99%, Zr - 99.99%, Ta - 99.9%). The kinetics of oxidation
were studied by continuous welghing for 12 hours. The measured
values of the oxidation (g/cm. ) of TiZr and TaZr alloys are plotted
in Fig.2; the top three graphs (a - 8) apply to TiZr alloys,
the bottom three graphs Q - e) apply to TaZr alloys. The
zirconium contents, In%, were, respectively, 30 (graph a),
70 (graph 6), go (graphi$), 10 (graph Z), 30 (graph a) and
70 (graph e). The alloy containing 90% Zr is more oxidation
resistant than the others. There is a sharp increase in oxidation
rate above 6000C. At lower temperatures, the scale adheres well to
tile metal. The alloy of low Zr content oxidises only slowly up to
6oo:Cj Above this temperature, there is a sharp increase in
Car

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oxidation. The alloy containing 70% Zr oxidises more uniformly.
Fig-3 shows graphs of log K against I/T x 103, where K is the
constant of the parabolic law of oxidation and T is the
absolute temperature. The curves are 1 - Ti + 30% Zr, 2 - Ti +
70% Zr, 3 - Ti + 90% Zr, 4 - Zr, 5 - Ti, 6 - Ta + 10% Zr,
7 - Ta + 30% Zr, 8 - Ta + 70% Zr, 9 - Ta, 10 - Zr. Fig.4 shows
oxidation (after 1 hour) agetinst Zr content (in wt.%) for Ti-Zr ands
Ta-Zr alloys. Thus, alloying of Ti or Ta with Zr results in a
sharp decrease in resistance to oxidation, especially at
temperatures above 6000t. There are 5 figures, I table and
15 references: 5 Soviet and 10 non-Soviet. The English-language
references read as followst Ref-5: Jenkins, A.E. The Study of
Oxidation of Titan and its Alloys at High-Temperatures. J.Inst.
Metals, 1954-55, 84, 1; Ref.9t Mallet, M.W., Albrecht, W.M. The
High Temperature Oxidation of two Zr.Sn Alloys. J.Electrochem.Soc.
1955, 102, 407; Ref.10t Wallwork$ G.R., Jenkins, A.E. Oxidation of
Titanium, Zirconium and Hafnium. J. Electrochem.Soc., 1959, 106,10;
Ref.14t Wasilewski, R.J. The Solubility of Oxygen in and the Oxides
of Tantalum, J. Amer. Chem. Soc., 1953, 75, 1000.
C a r d

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ASSOCIATION: Institut inetallokeramiki i spetsiallnykh splavov
AN UkrSSR (Institute of Cermets and Special Alloys
AS UkrSSR)
SUBMITTEDs June 1, 1960
a

750

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00

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AU T11011; Voytov I ch 1- it -IF
1,111'L Oxidation Ability of a Work-hardened and Recrystallized
Tungsten-Platinum Alloy
PERLODICALt Metallovedentye i termicheskaya obrabotka metallov,
1961, No~7. pp.47-48 4. 1 plate
TEXT, The author studied the kinetics of oxidation of a work-
hardened and racrystalUzed alloy of tungsten containing 1.5% Pt.
The alloy was prepared by p7ecipitating onto 99.98% purity tungsten
powder platinum black from a concentrated PtC14 solution. The
specimens were sintered In vacuum for 8 hours at 1600% and were
fused in an art furnace with a tungsten elettrode on a copper
cooling base. For eliminating nc~n-uniformities. the alloy was
annealed in vacuum for 35 hours at 1250'C. Cylindrical 3 mm
diameter, 7 mm high specimens were deformed by a method described
by 4. Hauffe and J. Block (Ref.3~ Z.phys. chem. v.198, 1948).
The pressure during deformation of all the specimens was about
2;'0 kg/mmz; a deformation of 20% (in height) was achieved. As a
result of work-.hardening, the hardness ofthe specimens changed
Lard 1/1 Z/
q!

Oxidation Ability of a Work ...
5/129/61/000/007/012/01(
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from RC : 32~5 to RC T 41.5. The microstructure of the
recrystallized.alloy is shown on a microphotograph which in
reproduced in the paper. Oxidation procceded for 12 hours at
500-90W,C At these temperatures, platinum does not oxidize; the
results on oxidation of tungsten are given in a paper by
V.A,, Lavrenko and 1. N. Frantsevich (Ref,1.2 Voprosy poroshkovoy
metallurgii I prochnosti. materialov, issue 6, 112, 1958). The
oxidation curves of the alloy are plotted in Fig.2. g-cm2 vs.
time, hours (continuous line - work-hardened, dashed line - after
recrystallization). The work-hardening reduces sharply the
resistance of the alloy to oxidation. particularly at temperatures
above 650"C, The constants of the speed of oxidation of the alloy
in the coordinates In K-I/T are plotted in Fig.3 (top scale,
tPmperature, 'C~. I - W + I.r)% 11t. work-hardened, 2 - same alloy,
recrystallized). Deformation of the alloy brings about a sharp
increase in its oxidation activity, For the work-hardened as well
as. for the recrystallized alloy, the fracture caused by the phase
transition of WO3 into L IWO3 is observed for the same temperature
range as for pure tungsten 0000C), The slight addition of Pt
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Oxidation Ability of a Work
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i reduces sharply the resistance of the tungsten against oxidation.
In the process of oxidation Of the alloy, the oxide PtO
2
~t.dissolves in the tungsten oxide and.increases the concentration
of -vacancies of oxygen ions; in accordance with the formulat,
WO -->A + E + 1/2 0 (gas);
3 .2
Pto2-.3bPtC(W) - 2A;
Ptc(W) ->Pt02 + 3A + E + 1/2 0. (gas),
where A ygen anion vacancy, E - electron, C - penetrating
..admixture cathion of a lower valency. The speed of oxidation of
!
the tungsten is determined by the diffusion of' oxygen anions
along the oxygen vacancies and, therefore, an increase in these
in presence of PtO brings about a sharp increase in the scale
formation of the aficy. The obtained results are in agreement with
data published by Hauffe et al. The following conclusions are
arrived att
1. The influence of work-hardening on high temperature oxidation
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of a tungsten alloy with 1-5% Pt was proved.
2. It was found that a small addition of Pt produces a sharp
drop in the resistance of tungsten against scale formation.
There are 3 figures and 5 references: 2 Soviet and 3 non-Soviet.,
ASSOCIATION: Institut metallokeramiki i spotsiallnykh splavov
AN UkrSSR (Institute of Cermets and Special Alloys
AS UkrSSR)
Abstractor's Note:
;E
This is a complete
translation except
that Fig.1 has not
been included-7
A

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AUTHOR: _X=t0.Vich R,F,
TITLE: High-Temperature Oxidation of High Melting Alloys
III. Alloys of Tungsten With Niobium.
PERIODICAL: Fizika metallov I metallovedeniye, 1961, Vol.11, No.2,
pp.220-223
TEXT: The author reports his study on the oxidation kinetics of
tungsten alloys with 10, 30 and 70 wt.% niobium at 500 to 900*C.
Such data on these alloys are not now available In the literature,
though the oxidation of the pure metale has been studied earlier
(Ref~10. The alloys were prepared from 99.98% tungsten and
99.63% niobium by the method already described by the author (Ref.3).
The gain in weight in grams per unit surface in cm2 is plotted
against time (hours) in Fig,2, 3 and 4 for alloys with 10, 30 and
70% Nb respectively, for varloua temperatures. The natural
logarithm of the rate constant ja plotted against reciprocal of
the absolute temperature In' Fig.5. As for pure tungsten (Ref.4,
5 and 6; also Ref.T~ W.Webb, J,,Norton, C.Wagnor, J.Elektrochem.
Soc.f1956,103,No.2), the phase transition Of t110 a-W03 into
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High-Temperature Oxidation Em/E452
a'-WO3 gives a break on the curves at 70O'C followed by
increasing oxidation rate, In Fig.6, the weight gain per unit
surface is plotted against wt.% Nb for various temperatures
(additional curves for 700*C are given for 5 and 10 hours). The
figure shows that tungsten appreciably Improves the scaling
resistance of niobium. Change in the concentration of anionic
vacancies in the oxide lattice, produced by solution of the foreign
oxide and phase transition in tungsten oxides and also the changes
in the mechanical properties of Nb205 films during oxidation,
govern the fairly complex laws of the oxidation of alloys of
tungsten with niobium, Results of X-ray analysis of oxide
phases formed on the alloys indicate that higher oxides of the
main component of the alloy are fox-med preferentially. On the
alloy with 70% Nb, the a-Nb205 phase is formed at 700*C and the
P-Nb205 at 800'C- There are 6 figures, I table and 7 references:
5 Soviet and 2 non-Soviet.
ASSOCIATION: Institut metallokeraniiki i apetsiallnykh splavov
AN UkrSSR (Institute of Plowder Metallurgy and
Special Alloys AS UkrSSR)
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Iiigh-Tomporature Oxidation ...
summilrTED: April 28,'196C)
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9000~
700.
00
/0
0
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0 0
5 NO /UU
j0
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/0;
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04
0
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0 2
'n I
2 5 161 /0 /2 qacbl
Fig.11.
Fig-3.
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Iligh-Temperature Oxidation
Bee. Ilo A16

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AUT11ORt Voytovich, R.F.
TITLE: High-temperature oxidation of refractory alloys.
IV. Tantalum-titanium and tantaluin-tungsten alloys
PERIODICAL: Flzlka metallov i metallovedeniye, v. 12, no. 3,
ig6i, 376 - 381
TEXTi The Icinetics of the high-temperature oxidation of
alloys of Ta (99.980% purity) with W (99.9980%) and Ti (99.991,Cl)
have been studied experimentally in the temperature ran-e
0
500 - 900 C and equations for their temperature-dependence
have been calculated. Ta forms, both with Ti and W, a series
of solid solutions for whichhardness curves are given.
Oxidation was estimated by weighing and curves were plotted at
different temperatures over 12-hour periods. At certain
temperatures some of the alloys (Ta-706' Ti. at Goo-850 OC and
0
Ta-301,"i W at 600 C) showed a low initial (first 4 hours) rate of
corrosion, which later increased rapidly. Those effects are
explained in terms of the mutual solubilities of 'the various
oxide phases. It is shown that 100% Ti or W leads to a sharp
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High-temperature oxidation .... E202/E380
increase in the scale-formation of tantalum. Small additions
of Ta substantially improve the resistance*of the latter to
scale-formation. Ti or W increases the resistance of Ta to
oxidation only when alloyed in excess of 250,L".
There-are 8 figures, 1 table and 10 references: 4 Soviet-bloc
and 6 non-Soviet-bloc. The four latest English-language
references quoted are; Ref. 6 - H.W. Maynor, R.W. Swift -
Corrosion, 1956, 12, 49; Ref. 8 - J.U. Cathcart, J.I. Campbell,
G.P. Smith - J. Electrochem.,Soc., 1958, 105, 442;
Ref. 9 - R.J. Wasilewski - J. Am.Chem.Soc., 1953, 75, 1001;
L.K.Trevel, R.W. Rinn - Ann. Chem., 1955, 27, 1329-
ASSOCIATION: Institut metallokeramiki i spetsiallnykh splavov
AN UkrSSR (Institute of Powder Metallurgy and
Special Alloys f the AS UkrSSR)
SUBMITTED: January 31, 194
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AUTHORt_ Voytovich, R.F.
TITLEt High-temperature oxidation of high-malting point alloys.
5. Alloys of niobium with zirconium and niobium with
titanium
PERIODICALS Fizika metallov i metalloveaeniye, v.12, no.4, 1961,
576-579
TEXTs Little published Information is available on niobium-
base alloys and this applies particularly to the-s6AIe resintance
of alloys of niobium with zirconium and niobium with titanium.
The author investigated the influence of additioni of zirconium
(10, 30, 70 wt.%) and titanium (3, 10, 30 wt.%) on the oxidation
of niobium within the temperature range-500 to 900% for-durations
of up to 12 hours. The curves of oxidation of the alloys have an
unusual shapet indicating a change in the character of the forming
oxide layer. Almost all the curves show that the oxidation process
has several stages, the final one of which in characterized by
higher speeds of scale formation which increases with Increasing
temperature and duration of the process, This indicates that the
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forming-oxide layers gradually lose their protective properties.
For instance,theZr-TI alloys have a very low rate of oxidation
below 700*C, whilst at higher temperatures the scale formation in
very-intensive; at 900'7C the oxidation curves of all the alloys
are approximately linear. Similar results were obtained by
J. U. Cathcart, J.' 1. Campbell and G. P. Smith (Ref.81 J.Electrochem.
Sac., 1958, 105, 442) for pure niobium and they attributed this
phenomenon to the appearance of tensile stresses in and subsequent
cracking of the oxide layer. Although the oxidation process in
the final stages proceeds at an-almost linear rate,_tbe oxidation
rate for some of the alloys obeys a parabolic law in the initial
stages. Figs. 7 and 8 show the dopendence of the'rote of oxida-
tion (g/cm 2) on the niobium content (wt.%) of-Nb-Zr alloys (Fig-7)
and Nb-Ti alloys (Fig.8) for a one hour exposure;,small additions
of Zr and Ti bring about an appreciable Increase-in toe resistance
to oxidation of niobium. At temperptures up to 700*C the intensity
of scale formation of Mb-Zr alloys, containing up to 90g-Nb, is
almost independent of the composition of the alloy. At 8000C
alloys containing over 375% Nh have a high rate of oxidation and
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at 9000C even alloys with 30% Nb show intensive scalo formation.
It can be seen from Fig.8 that titanium additions are more
effective in improving the scale resistance than zirconium
additions. Thermo-chemical calcu.intions revealed that during
oxidation of Nb-Ti alloys the phases TiO 2N and Ti2U3Tform
preferentially. whilst Nb a i: partially reduced to pure niobium.
According to X-ray structargi nalyses, it was found that the
films form during oxidation at 600, 700, 800 and 9000C, consist:
primarily of higher oxides of the basic components of the alloys.
There are 9 figures and 8 reteren4es: 2 boviot-bloc and 6 non-
Soviet-bloc. The English-language references read an followas
Ref.13 Anderson C.P., Hayes S.P..,Roberson A.H., Kroll W.J.
Rep.Invest.U.S. Bureau.Min. ig5o? No.46531 Litton 4.8. iron Age.'
1951. 167, 95. 1121 Ref-3: ~ogers*b*A., Atkins D.Y. J.Metals,
1955, 7, 1034; McPherson U.J. ibid. 1951, 3. 881; Ref.4-. Maynor
H.WOO barret b.R.. Swift R.E. WADC. Techn. Rep., 54-109,
Contract NO.Hor, 18(600), Project No.7351. Mhrz, 1955. Ref.8t
Quoted in text.,
ASSOCIATIONt rnstitut metallokeramiki i spetaiallnykh splavov
Card 3/4 AN UkrSSR

.31053
High-temperature oxidation S/126/61/012/904/010/021
F-073/9533
(Institute of Cermets and Special 'Alloys AS UkrSSR)
TTEI)i Febru
SUBMI ary 4# 1961
Fix.7
Ca,ra
8
19.
dec VU05da

s/iz9/62/ooo/oo4/007/010
E193/9383
e
AUTHOR: Candidate of Technical Sciences
TITLE: Effect of i-tork-hardaning on oxidation of niobium
PERIODICAL: Metallovedeniye i termicheskaya obrabot1ca metalloyp
no. 4, 1962, 45 - 48
T The kinetics of oxidation of niobium containing 0.220,4'.C,
0 le,f' Fe and 0.045.' Ti was studied- on both roe:-ystallized and
cold-worked (compressed to 300! reduction) specimens, tested at
200 - 800 OC. The rato.of oxidation was ineawirfd by the
continuous weighing method. The results are rep~,oduced
-here the increase in weigat
graphically in Fig. 1, w
2
(6q/S*10 g/cM ) of specimens tested at low (graph a) and
high (graph ~;) temperatures is plotted against time (;A.:;uZd) at'
temperature, the continuous and broken curves relating,
respectively, to recrystallized and cold-worked material. It
will be seen that cold plastic deformation of Nb increased its
oxidation activIty and, as was shown by calculations increased
Card 15

S/i2g/62/000/004/007/010
Effect of work-hardening E193/E383
the electrical conductivity of the oxidized layers. The
temperature dependence of the oxidation rate is described by:
14 goo/RT
K =- 7.39
(for recrystallized Nb oxidized at 500 - 900 OC) and by:
K = 2.12 e- 11 900/RT
~(for cold-worked inaterial oxidized at 4oo - 700 OC). Thin
black oxide films formed on Nb at low temperatures (250 -
400 OC) changed into a white powder after some time at high
temperatures (1100 - 8000C). To study the mcchaniBIM Of
oxIdation of Nb a thin platinum wirc was wound tightly around
the Nb test piece, which was then oxidized at 600 0C for 4 hours.
After the test-the platinum wire was found to be located at the
oxide/-as interface; this result and the effect of cold-work on
the rate of oxidation were taken to indicate that oxidation of
Card 2/4
1. 1

S/129/62/000/004/007/010
Effect of work-hardening eoo- E193/E383
Nb consisted of reactive diffusion through anion vacancies or
lattice interstices which took place in an electrical field
formed by the metal (oxid+oxygen couple in a complex
cleotrolyte comprising several oxides. There are 2 figures
and 1 table.
ASSOCIATION: Institut metallokernmiki i spetsiallnykh
aplavov*AN UkrSSR (Institute of Powder Metallurgy
and Special Alloys of the AS UkrSSR)
Card 3/4

FRWSEVICH, Ivan Nikitich, doktor kh1m. nauk;.Mjjjj", a F0 c
kand. khim. nauk; LAVRENKO,
nank; DEKHTYA.R, I.Ya.p-prof., doktor tekhn. nauk.. retsenzent;
CHUMACHENKO, T.I., red.izd-va; EEREZOVYY, V.N., tekhn. red.
(High temperature oxidation of metals and alloys] Vysokotempera-
turnoe okislenle metallov i splavov. Kiev, Goo.izd-vo tekhn.'lit-
r7 USSRv 1963. 321 p. (MIRA 160)
(Oxidation) (Metals at high temperatures)
N
X- ~K

VOYTOVIC ; LAvfd;"NK0, V.A.
E2~~~
Oxidation of alloyas Yetalloved. t term.
obr. met. no.4-1510-51 Ap 164. (MIPP. 1.7tW
1. Institut metallokeramiki Ispetsiallnykh splavov All Ukr5SR.

f%%.%. VIM "6012843 SOURCE CODE: UR/0080/66/039/004/0768/0774
AUTHOR: Voytovich, R. F.
ORG: Institute of Materials Science Problems, AN UkrSSR (Institut problem materialoMM.
dentya AN UkrSM)_
rV1
TITLE: Kinetics of high-temperature pxIdation of iron-nickel and copper-nickel alloys
N. -774
SOURCE: Zhurnal prikladnoy khimii, v 39, no. 4, 1966, 768
TOPIC TAGS: iron alloy, copper alloy, nickel alloy, oxidation kinetics, metal scaling
IV., 0 IV 46 4
ABSTRACT: In order to establish the relationship between the oxidation rate of iron-nickel
and copper-nickel alloys and their composition and temperature, the oiddation was studied
on specimens of iron and copper containing 10, 30, 50, 70, and 90 wt. % nickel in the
500-900C range at 100C Intervals. The alloys were prepared in a vacuum arc furnace, then
vacuum-homogenized for 25 hr at 1000C. The oxidation kinetics were studied by continuous
weighing in the course of 10 hr. The equillbriam constants were calculated for the following
reactions:
1/2 UDC: r>41.11+546.3-19172174/66174

L 34no-M
NR. AP6012843
N10 + MO Fe30j + &M.
-- (1)
010 + 3r~
,m + re,o,., t2)
2Ca6 N10 + cijo.- (SY
3rosas + NJ X10 + Msot' 14),
N1+Crs0-x10+CV. M
3,V10 + 2F# + Mi, (Gj
NJ + CU20 N10 + Xv, 17),
N10 + Fe NJ + F60, (8)
1410 + Mo 4-0-.1 F%02 +
The temperature dependence of these constants was determined. These calculations showed
that during the oxidation of iron-nickel alloys, FcO and Irop are oxidized to higher oxides
(Fe 20 a and Fe 3 0 4) in the scale laye r, while NIO, is reduced to pure nickel. In the case of
copper-nickel alloys, the penetration of the univalent Cu + ton Into the NiO lattice reduces the
concentration of defects in the latter and thus decreases the oxidation rate. It Is concluded
that alloying of Iron and copper with nickel substantially improves the oxidation resistance
of these metals, and that the oxidation decreases monotoideally with riiing nickel content of
the alloy. Ori,-,. art. has: 4 figures and 1 table.
SUB CODE: 07, 11 / SUBM DATE: 16May64 / OTH REF:'017

L 28027-66,' 'ENT(m)/EFF nL-2Z_~V(i~/FTI c)'
ACC NR% 'AP6015741' SOURCE CODE: UR/0073166/032/005/0445/04i
AUTHOR: Voytovich. R. F.
ORG: institute of Problems of,material Science AN VkrSSR (Institut problcm
MaterAlovedenlya AN UkrSSRJ
"ITLE*
Effect of chromium on the oxidation kinetics of niobium, 4
SOURCE: Ukrainskly khimJ.cheskiy zhurnal, v. 32, no. 5, 19660 445-448
TOPIC TAGS: niobium, n1obium alloythromium containing-alloy, oxidation,
alloy oxidation
ABSTRAM, The oxidation of niobium alloy with 10,30,50,70, or 901 chromium at
-500,600,700,800-or 900C The alloys were melted In a vacuum arc
_,haq_bj~en studied.
furnace with.a tungsten electrode from 99.8%~~oii-i-e-tiidbium-atid-electrolytic chromium.-,
Alloy specimens were homogenized at 1000C for 20 hr. Chromium was found to decrease
somewhat the strength of niobium, but to increase sharply the resistance against
oxidation, particularly at temperatures up to 800C. The alloy with a chromium conten
over 30% showed a slight weight gain at all temperatures in 10-hr tests (see Fi
Chromium promotes the formation of 0-niobium pentoxide and shifts the upper lim
i546.882

X
_j
-a-phase stability.from-90W-for pure niobium to 600C for -mb+10%rr alloy. In the
presence of chromium, a new-oxide phase is forced -- apparently CrNb04 oxide -- which
slows down the diffusion of oxygen through the oxide layer. Orig. art. has: 4 fig-
iires and I formula. (AZ]
SUB CODE: Il/ SUBM DATE: 23jui64/ oRiG REFt 002/ OTH REF: 005/ ATD PRESS:y2g
Card 2/2 r,- 2111) 1 1

777~~~~
T
__L__ 23071n66__ __a4
ACC NA. 706011013
VoyrtavLcht R. F
ORGz none
in air
SOURCE: Zhurnal prikladnoy khimiL, v. 39, no, 39 1966, 565-512
TOPIC TAGSt alloy, iron copper alloy, iron,cobalt alloy, alloy
oxidation-
UR/0080/66/039/003/0565/0572
5OURCE CODE:
TITLEs Scale formation on Lron-copper and iron-cobalt lloys heated
ABSTRACT: The oxidation of Lron-copper and Lron-cobalt alloys con-
tainLng 10, 300 50. 70, and 90% copper or cobalt in air at 500-900C
has been investigated. With increasing copper content the oxidation
resistance increases, reaches a maximum at approximately 502 copper.
and then decreases to that of unalloyed. At copper contents frem 30
to 70% the intensity of scale formation changes very little (see
Fig. 1). Similar behavior was observed in the case of cobalt. In all
the alloys tested, a sharp Lncreaso in the intensity of oxidation was
observed at temperatures over 700C. Orig. art, hass 7 figures. (WWI
Card 112

YEL-230-T
Micc NR.
4
Fig. I.. Composition dependence of weight
gain In Lron-copper alloys during 12-hr
tests'at 500 (1)9 600 (2). 700 (3).
800 Me and 900C (5).
iron content %
SUB CODES 11/ SUBM DATEt 25Dec63/ ORIG REFt 003/ OTH REFt 007

VOITOVICHI R.F.
-
C- 46&*OWAW~
bxidation of a1IOYs of niobium with copper and zIr!oniunjttb
copper. Zhur. fiz. khim. 39 no.591112--1115 Pq 165
jMTRA 1828)
1. Institut problem materialovedeniya AN UkrSSR.

VOYTOVIGRV- TI.F.
Processes of arldl-ation or sc,-injim, ind praseodyZium at
(MIRA 1817)
high. temperaturez- %r. khiln. 2hUl-. .,I no.63550-553 165.
10 Inatitut problem natorialovedenf-,a All ITkrSSR.
d

�R i-,?

VOYTMCH`,.,~~F. (Kiyev)
High temperature oxidation of high-m-elting alloys. Tantalum-iron a]Dd
tantalum-cobalt alloys. fii. khim. 39 ito.3t588-591 Mr 165.
- - -_ -_ -1 -_ ~ -, -~: I---_- - - - . - - - - --- - - --(MIRA 180)
1. Institut metallokeramiki i spetsialinykh splavoy AN UkrSS.R.

fM
E,;~I-~ PT-
ME -la -0, NN

I I.., imn- 0 v CtMrv - LIM
fvn=n. finn
1 . I . Amrl t3l=nflf-, ~. - - -
I-- "m

VOYTOVICHY R.F.
,.~ ~-,
Oxidation kinetics of high-melting niobium-nickel and niobium-
aluminum alloys. 7hur. fiz. khim. 38 no.12:2954-2957 D 164.
(MIRA 18:2)
1. Institut metallokeramiki i spetsialfnykh splavov All UkrSSR.

oig
~MO %,Rl
I.A-Ijt.~---.6~~N~~r -11~- t-64MRZ7.
amv

~- i--e ou"n M
-~wio ow a,

I Ll I i i M I I ~Vt, I A I-li -~-Li n J fF~Ml O~~[ M 11 ~~Jet U If P-ALU 11 1 1

mq ZM

VIE R

"Alew ir Mof
F M

I I- - 'X - - ---- - - -
~i '
- "d
-IFIPP-74~nt Of -ilot)"Z1 10US -n ' ~21 5 -5'
k- I " "'., =nnundj~ in

BOOK EXp=TATIO"'i
AE4.00893-1 Raisa
ctor of Chemical Sciences); Voy~ovichs 46rvich,
Ivan Nikitic:h (Do 3zjko "dek
Frantsevichs Cal Sciences); Lavr, P
~C,,ndidate Of Chemi
.1-1 FO:rji-njchna.'- Of Chemical sciences)
(Vp onsleniya
jq~sokotemperaturnOYU biblio
ien tonperature oxidation of TrOtals and alloys
Gostekhizdat USSR) 3s 321 po
taUov i splavoV)s Kiev$
6s printed.
1POOO cop' fractOrY metals, tungstenp
-,mperature Oxidation, re
rp ids coatings cermet coatings,
_tal physics.? high
TOPIC TAGS: refractory cor..pounds, ox
jolybden=x tantalums -rheniuM)
latticC~defectf corrosion
rediump-diffusion, crystal
halogen Ory of high-temperatu're oxidation
Ines the the the
The book exami picr
of solids and
PUR?OSF, AND COVERAGE n of
from the viewpoint of modern ph,
retals and alloys 0--s- In addition to a critical prosentatio
01 ice defe t or. the kdnetiCS
chendst-,Y Of crystal latt the results of experiments by the authors
ys and the first systematic Dresen-:
e.theoretical conceptsi
th actory metals and al10 halogens,
fo=atjon on refr hur,
of scale containing 51119
oxidation of materials by gases
tation Of the ation of refractory COMP013ndss and anti-corrosion coatings
rosion by flashs oxid
Card 1/3

AM4008911
are included in the book. The book is intended for employees of research institutes
and plant. laboratories; it can also be used by engineers in other fields and by
students in higher educational, institutions.
TABLE"OF,.CONTENTS (abridged]i
.~Forevrord,- - 3
Introduction - 6
Ch. I. Theory of metal oxidation - 12
Ch. II. Effect of small additions of elements on the oxidation of metals 76
Ch. III. Significance of the oxido-matal boundary in metal oxidation 86
Ch. IV.- Effect of the state of the metal on the oxidation processes of
refractory metils 105
1, Oxidation of tungsten
2. Oxidation of molybdenun
3.: Oxidation of tantalum
4. 0~ddation of rhenium
Ch. V. Oxidation of refractory alloys 160
Zord 2/3

~j/4008932
Ch, VI. Oxidation processes in media containing halogens 185
Ch. VII. Scale formation on metals'and alloys in medium containing sulphur
and its derivatives 209
Ch. VIII. Oxidation processes of the flash type - - 249
j; Ch. IX. Oxidation of refractory compounds 270
Che X. Frotecting,metals and,,zetal-like compounds from oxidation by coatings
of metals., oxides.. and cermets,-.- 283
Bibliography 305
SUB COM. 1.1 SMEMED: 27 Mar 63 NR REF SOV: 088
OTHER: 451 DATE ACQ: 6 jan 64
iCard 3/3

S.A,
Concreting dome-,t and shells by wet gurill'u- Tr~4,iat,. Ztml.
24 no.D29-31 Ja 164. 1."!A 17: 8)
1. Glavrirl toYlinolog traota Mos alelctrotyarn troy (for
'El
m

inzh.; KAJITOR, -
VOYTOVIGH. 3.A. , ,LYa., inzh.
Erecting a reinforced-concrete fram during tbe reconstruction of
the Yaroslav Station in Moscow. Tran3p. stroi. 1t+ no-4s27-29 Ap
164. O.-IMA 13:9)

VOYTOVICH, V.
by B.A. Arkhangelfskii. Reviewed by V. Voitovich.
Rech. transp. 21 no.12:56 D 162. (MIRA 15:12)
(Plastics)
(Arkhangeliskiis B.A.)

IYPUAUM-t-~
%chino parts made of capron" by R. N. 'Podshivalov,, ff. I. Susiov.
Revieved by V. Voitovicb. Mashinoetroitell no 10147 0 162.
iMIRA 15:10)
.- Z
(Nylon) (PodabivaLlov R. 11.)
(SUSIOVI ~. I:)

VOYTOVICH, V-A.-
Protection of electrolytic bath supensions.
Mashinostroitelf no.1.1:31 N 162. , - (MMA 15S12)
. (Bleotroplating-4;quipment and j~applies)

S/1 ?3/61/000/022/01,3/'J 24
A004/A101
AUTHORSt Voytovich, V.A., Kitayeva, L.I., Berdinkova, V.V., Kuznetaova, T.V.
TITLE: Anticorrosion protection of metal parts by plastics, Report I.
Practice of using the r3H -15o (B ) (aEN-15o[v)) eiastomer
PMIODICALt Referativnyy zhumal. Mashinostroyeniye, no. 22, 1961, 79, abstract
22B477 ("Tr. Proyektn. tekhnol, I n.-I. in-ta. Gor'kovsk.sovnarkhoz",
196o, no. 2 (4), 35 - 37)
Mrs The authors describe a new anticorrosion coating, the GMI-150(v)
'--elastomer, representing a composition of nitrile caoutchouc and a special synthe-
tic resin. Prior to heat treatment the material dissolves well In acetone, ben-
zene, toluol or ethyl acetate. 'The elastomer solution. can be applied by a
brush, by pouring, spraying ordipping. If the coating is applied by spraying
a-5% acetone solution of the elastomer is used, Spraying is effected with a
sprayer designed by the Kon-stantinovka "Avtosteklo" Plant. The application of
the.coating by other methods requires a 15-20% solution in benzene, toluol,
et-hylacetate or P -4 (R-4) solvent. The metal surface is prepared for the coat-
ing In the following wayt sandpaper cleaning, degreasing, careful drying. To
Card 1/2

Anticorrosion protection
5/123/61/000/022/013/024
Aoo4/Aic)l
obtain a dense coating, 4 5 elastomer,layers are applied. The first layer Is
held at room temperature for 2 hours (at 500C for I hour). The second and sub-
sequent layers are applied in the same way, the final top layer is held in air
for 2 - 3 hours, at 500C for I hour and at 1500C for 2 hours. The obtained film
possesses an adhesion to steel and aluminum of 35 kg/cm2, does not break at re-
peated bending through 3600C and does not lose its properties during a 200-hcur
holding in oil at 1500C.
N. Savina
[Abstracter's note.. Complete translation]
Card 2/2

%YM
YAVOR8KIY, A.K.j VOYTOVIGH, V.A.
Adhesive for -iiie'urink -,jltrasonic, trannformara during design testing*
Zav. lab. 31 no.2t252 165. (MIRA 1817)
1. GorIkovskiy inzhenerno-stroitellnyy institut.

RAWYATIV, G.A.; PITUKHDV, G.G.; SHU , H.A.; VOYTOVICH, V.A. -
. - I ~ - ~., ~ .
Xxchangs reactiou in the thermal and photodecomposition of orgww-
metallic compouads, Ukr. kh1m. zhur. 22 nool:43-47 156.(WM 9:6)
l.Gorlkovskiy gosudarstvennyy universitsto
(Orgazometallic compousde) (I** exchakke)

AUTHORS%
16?67
3/08 62/000/001/064/067
B119XB101
,Y ~c~h V. A., Kitayeva, L. L, Berdnikova, V. V.,
Kuz*netsova, T. V
TITLEt Protection against corrosion of metal parts by plastics.
Communication I. Experience wIth the application of r->1-150
(8) (GEN-150M) elastomer
PERIODICALt Referativnyy zhurnal. Khimiya, no. 1, 1962, 5309 abstract
1P193 (Tr. Proyektn. tekhnol. i n.-i. in-ta. GorIkovsk.
sov,narkhoz, no. 2W, 1960, 35 - 37)
TEXTz The P-M-150 (B) (GEN-150M) elastomer is composed of nitrile rubber
and synthetic resin (whose composition is not given). A 15~ solution of it
in P -4 (R-4) solvent with a viscosity of 57 see measured with B3-4 (VZ-4)
was applied in 4 or 5 layers onto the purified, degreased steel or alumino
0
surface. After each application, drying was performed at 18 - 23 C for
2 hrs, and at 50 0C for I hr, and the finished piece kept at 1500C for 2 hr'M
An irreversible covering with good adhesion and high stability to waterg
oil, gasoline, weak acids and alkalis, H 5, and 30 was obtained# whic
2 2
Car 1/2

S10611621000100110641067
Protection against ... B119/B101
maintained its properties even after 200-hr storing in oil at 1500C. The
covering is used as corrosion protection for underwater parts of ehipst th6
lower side of truck mudguards, and a number of parts in mille. [Abstract-!
er's notes Complete translation.]
J
Card 2/2

Fir
iwg
A

,ku t,?,r- -~i
KIP
Pe 2-1 odl cz I
T. detp-=,Ine the rela
-r- v F p A 41,
Abs+-mct
F7,

Ow
a cld 1-0n ex--hzLnge
n of lanthanlie
-ftjc
jenedlarAin-ptetreacet.ic ac-.! h the
fill-rat($ vhen the Coll= t Ln
~7u~h
-M
,r7~ Of 7f'
r
Card 1/2

A`-F.9S'-r)l, ;R' All
DATE ACQ: 19jun63
Cc,,d 2/2
S im DF
L:

MEDVEDEVA, P.A.; GAVURINAp H.K.; KEVESH, A.A.; VOYTOVICH, V.K.
Cold curing of epoxy polyester resins. Plast.masay no-3s17-19
164. (MIRA 17:3)

ACCESSION NR: AP4018160
S/0191/64/000/003/0017/0019
AUTHOR: Medvedeva, P.A.; Gavurina, R.K.; Kevesh, A.A.; Voytovich, V.K.
TITLE: Cold curing of epoxy-polyester resin
Plasticheskiye massy*, no. 3. 19640 17-19
TO PIC TAGS: epoxy polyester resin, curing,!hardening, curing agent,
inflammable fiberglas , self extinguishing;'fiberglass, initiator,
accelerator, cold curing
ABSTRACT: The process of cold curing (at i8-22C) epoxy-polyester
resin (EPR) (a mixture of epoxy ED-5 or'ED-6 'resin, styrene, and
unsaturated polyester resins) was studied. The process is feasible
with 2 types of mixed three-component curing agents: (1) organic
peroxide + aromatic tertiary amine + organic dicarboxylic acid an-
hydride, or (2) organic hydroperoxide + organic salt of a variable
valence metal + organic dicarboxylic acid anhydride. By varying the
ratio of the initiator and accelerator components of the hardening
agent, the curing t;me can be varied from 2-3 hours or more to
..minutes. Inflammable fiberglas samples were prepared using
Card 1/2 7

ACCESSION NR: AP4018160
ASTT(b)s-8/3 glass cloth with an EPR (ED-5 + polyester made from
ethylene glycol, maleic, and phthalic anhydrides and adipic acid)
and benzoyl peroxidej dimethylaniline, and maleic or methyltetra
hydrophthalic anhydrides. Heat treatment at 1250 for 5 hours and
subsequently at 1600 for 5 hours gave fiberglas with high mechanical~:
elf-
strength, especially high static bending (4500-4800.kgs/CM2). S
extinguishing tiberglas samples,prepared similarly from chlorine-
containing polyesters also had fairly high mechanical strength
(static bending 3800--4400 kgf/cm )., "S. Ya. Lapteva participated
inthe experimental work."'. Orig. art. has: 5 tables
'ASSOCIATION:. None
SUBMITTED: 00' DATE ACQ: 27Mar64 ENCL: 00
MA OTHER; 000
SUB CODE: NO REF SOV: 005
2/2
'Cdr.
7 7 7-

Of T"
vopo 0
7

l,. Ye
I.ab.';i 'A 09
ljj,~y .1.
tj
t
! -~ T S..,.
ti

I VOYTOVICH, V.S.
I ~ - I.- -, ~,, - 1, ~ -, I , -
Genesis of th- -,st, recent supprafractural anticlines along the
Dzungarian fault and theJr similarity to the fault-fold of the
hi.Ils of Gafsa and the gash folds of Fergana Province. Dokl. AN
SSSR 164 no.4j87)-876 0 165, (MIRA IBM)
f.
1. Geologicheskiy institut All SSSR. Submitted August 31, 1964,

VOYTOVICH V.S.
Rec;ent h9rizontal movements along the Dzungarian fault and their
role in the relief development. Izv. All SSSR. Ser. geog. no-5:
48-57 S-0 164. (MIRA 17:11)
1. Geologicheskiy institut AN SSSR.

VOYTOVICH,__Y~_��___--
Paleozoic basement of the Alakull Depression. Izv. All Kazakh.
.SSR.Ser.geol. nc.ls65-71 062. (WRA 1,5:5)
(Alakul"Depression (Kazakhstan)--Geology, Structu.-al)

VOYTOVICHp VIS.
History of the development of Oe Dsungarian abvssal faults Izv.
AN SSSR. Ser.geol, 28 no.6t68-100 Je 1.63. (KM 160)
1. Geologichoskiy inatitut AN SSSR, Moskva.
(Dzungaria-Faults (Geology))
(Balkhash Lake region-Faults (Geology))
V;.P,

IVANOV2 A.Khol VOYTOVICHI V*S*
Hercynian shifts along the Dzungarian fault& Jzy, AN SSSR, Ser*
geol, .29 no@ 2s27-43 F 164. (MM 17:5)
1. Goolog,cheskiy institut AN s$SR# Moskva,

MXLINIEOVI A.M*;-VOYTOTICH, YO.D.
Prospecting for buried Devoinan structures on
the Helekess depression. Geol. nefti i gaza
the eastern margin of
4 n0.5:9-13 M7 160.
(MIRA 13:9)
1. Tatneftegasrazvedka,
(Tatar A.S.S.R.-Petroleum geology)