SCIENTIFIC ABSTRACT CADA, O. - CADEK, J.

• Document Type: CREST
• Collection: Scientific Abstracts
• Document Number (FOIA) /ESDN (CREST): CIA-RDP86-00513R000307930010-8
• Release Decision: RIF
• Original Classification: S
• Document Page Count: 100
• Document Creation Date: November 2, 2016
• Document Release Date: June 12, 2000
• Sequence Number: 10
• Publication Date: December 31, 1967
• Content Type: SCIENCEAB

C'7,1',C]-IOSLOVill~IA/Cl-icmJ-c.7tI
Chcmical Products cnd Their Application-Synthct-Ic
Polymors. Plastujiq,3
Abs Jour: Ref Zhuv-j0j:Lmi-%rj, ]JO 3, 1,057, 9337
Author : Cada, 0.
Inst !or -i-'Lvcn
Title : Nylon Drive Bf:Its
Orig Pub: Chem. P"OMYS-1, 19-1-5, Vol 5, No 11, 475-476 (J
CZ,cch)
Abstract: The Gottwald Scicrico II4..sc---,rch Institute for
Plastics Lpplications (C.,;ccjjoslovIcia) li,,~s carricd
out tests on tho proCiuctlion of drive bclts from
polycaprolactam, stri-ps by aravinLg the strips
throu-Ii slits fovmod by tvo mochincd surfoces.
The cross ocction o-.L' the slit /i1, iI-(,.attcchmcnt
designed fop uno vith a throc-roll cclondcr mill)
w
as adjusted by nc-ns of c. wc(~gc; the application
.
of electric heating to the cdgcs of the slit made
CL-rd 1/3

CZECHOSLOVAKIA/Chemicial Toclztology. - 1-23
Chomibcl Products ::nd Their Application--Synthetic
Polymers. Plastics
Abs Tour: Rcf Zhur-Khimiya.. No 3j 19571 9837
Abstract; itogossiblo to mbi:~tain n temperature of up to
19 . Tests carricd outat 1300 have shown thLt
the 1-bovo mthod of orienting the strip give-.
bcttcr~rcsults than can be achieved by extrusion-
oricntations thouGh the tcnblIc strength of bolts
produced b~ thnt mothod _is somewhat lower (2500-
3000 kg/cm ngl-inst 3000-3500 kg/cm2), the bolts
have improved c1-, stic properties and do not exhibit
a tendency to separate J.n the direction of orient-
,,tion.' The adv_nn'~'Sos of slit orientation consist
U'.
in the poosibility'of rogul--ting the degree of
orientation b-, vcrying the cross section of the
slit width act at '10~o of the initial thickness
of the ptrip, the strip being subjected to pro-
limincry wcttin- for 24 hours in order to rcise
its moisture contcnt from 1-30,j' to 4-5%. Bost
results are cchicvcd in the joining of Icngths
Card 2/--.,,

CADA, V.
Civil engineering in the ten years after the nationalization of our construction
industry.
P. 57. (INZIFMIRWE .3TAVBY) (Fraha, Czechoslovakia) Vol. 6, No. 2, Feb. 1957
SO: 'Monthly Ind-ax of East European Accession (EhAI) Lr, Vol. 7, No. 5, Mlay 1958

C7,MIIOSIDVAKTA / Chemical. Technology, Chemical Products and Their H-8
Application. Elejwntse Omides. Mineral Acids.
Bases. Saltse
Abs Jour Ref Zhur .- I(hizlya, No 5. 1M, No. 15943
Authcr Skrivansk, J',- sn!la~.
Inst Not given
Title Absorption of Sulfur Dioxide in a Venturi Tube
Orig Pub Chem* jauuVel, 1957s To No 7., 340-343
Abstract In experiments involving the absorption of S02 by caustic
solution (at 004 802 concentration in the gas),, the
relatl:onship between the degree Of S02 absorption and the
presstwe loss vas determined. The results vere in
agreement with the theoretical expressionAgUo/731ML/7)
= Ajt~) vhere yo and y, are mol fractions of 302 in the
gasel5us mixturo, L and V are volunes of liquid and gas.,
A is a constant (that is directly proportional to tbe
Card 1/2

RTMANIA / Farm Animals. Swine.
Abs Jour: Ref Zhur-Biol., No 9, 1958, 404a9.
Author Petrescu, C., Popovici, E.,
Covaliu, V.
Inst : Not given.
Title ; The Influence of Roots on the Productivity of
Pregnant Sows.
Orig Pub: Probl. zootehn., 1957, No 3, 26-32.
Abstract: An experiment was condu6t6d at the experimental
station Rush6t3U on 45 sows in the second per-
iod of pregnancy. The 13t group was given car-
rots as.a supplement, to the basic ration, the
2nd group - carrots and mangels, and the 3rd
group - mangels. As compared with the controls,
the number of live ba by pigs in the 1st group
was higher by 2,4~, in the 2nd group - by 4.5%,
Card 1/2

CADA, _,?~denek, inz.
Project of storing finished products and investment goods4 Stroj
vyr 13 no.3t199 Mr 165,
1. Zavody V.I.Lenina National Enterprise, Plzen.

CAUGGRy 1;'arrzi ha:Lnal6 . Ci vi,~Oble) 1,~;
A35. JOUR. Miol -~Zo 9 4) 19591 NO. 16604
AUTHOR Cadaji_l;u.L#,
INST. C-7177P.M.7i Pclertific Resaarch Zoptechnical.*
-TITLE Tlhe Pre-paratloa wid tapplication of Vitaoil,
J~Yl_riched Pay U~;ccl in Anivinl Fee,3.s.
ORIG. PUB.
ABSTRACT
CARD:
Probl. .7-ootelal. si vete.-r.l,_.,-i,7 1957, '_~C' 277
39-4:3
1t3 viere, obtainarl at the ScientL`ic
Good rosi:L
Research Zc~oteciill.icaj 'lastitute of tlrio
Peoplel s Rumanjap. Republ ic by fet-~OIJ n- piclet~
arLd- chlckel!-t -with vitemin erciched lhw)-
lf 20 1-op-rcent of" conem',t rates wei?e sibstit'li-
ted by lucerne hay floixr and beets, ,vtF,i~,ht
gains we:!e increased bY P-6 percent- and th.ler
flavor of zlEiat improved as c6mpared to con-
trols, In the cQur--e of 24 days 'the sa-ving
0
f concentrates amounted to abotit,
l :Lo. L11
per head. 017acks, in whose feeds 20 percent
1/2
* Ins t V-.ut e.

Farm Animals. dqttlel
Abs Jour Ref Zhur - B16logi?a, t4o 2, 1959, tio. 7390
Author 19adantu L- Gheorghiu, A.; Ionesdu, L&
Inst
Not
Title AnExperiment Establishing the Influence of
Carrots on the Milk Produotion of Cows
Orig Pub Probl.-zootehn. al veterin., 1956, No 2,
29-31
Abstract In the dally-ration of the control group-
Cows-the content of carotene amounted to 232
mg and.of the exper 'IM ental group which recei-
ved 10 kg of carrots it amounted to 962 mg.
Observations which-lasted for 24 days showed
that the average daily milk -yield of the Con-
trol group Cows amounted to 10.9 kg and of the
e:kperimental group to 10.6 kg each; eva-
Card 1/2

CADARY Damian, biolog
Microelements and plant physiological processes. St si Teh Buc
15 no.4:34-35 Ap 163.

CADARIU, Gb.i CRISAN. V.; VLAD, L.; SCHORSCHER, E.; MOIS3, Gh.
The phenomanon of physical adaptation in workers employed in hot
work-shops. Rev. Igiens, microb. apidem., Bucur. no.4:42-57 Oct-
Dee 54.
1. Dankner lustitutul de Igiena, fil. Timisoara.
(WORK, physiology
adaptation of organism In workers working in hot
work-shops)
(HEAT, effects
on workers in hot work-shops)

CADARIU, G., prof.; CORNELSON, D., prof.; STRAUSS, H., assist. prof.; GAVRILESCU, N.
prof.1 ANUTASATU, 0.,, prof.
The part played by physiology in hygiene and preventive w dicine.
Rumanian M Rev. no.ls54-64 Jr-Mr 161.
(PHYSIOLOGY) (HYGIENE) (PREVENTIVE MEDICINE)

RLRIIANIA
CADARIU, Gh., Prof; BARHAD, B., Dr.
Institute of Hygiene and Protection of Labor of the
RPR (Institutul de igiena si protectia muncii al
RPR) - (for all)
Bucharest Igiena,---No 5, 1963, PP .385-395
"Current Problems of Labor Hygiene in the Chemical
Industry."
(2)

J1. ~;-i 1 11A
'Professor; BY UD, ii.,
Enp~; SUTTMI, mh ~;r -
~3uch,,ircstu, Igicna, No 6, No-,.--I,'cc C)"y pp 439-202
- / i~ -
'I.T.'roblems of IV,6-icac ~-,Yid Labor Protection on thc JjuildLl~~
in

LUPASCU, Gh., prof.; GADAP-W-f-Ga., prof.; BUSS IC-A G,'~ VII 1 LOA jF 1T-a t; I F,
COSTU1,11., dr.; IMSCHTTT, M., dr.; BDZrO'L',-I-'., dr. s 1 -1. Gn.
dr. [deceasedj; I-'OKATIGI, T., DR.; HAIVAS, 1~%ria, dr.; D0,11105, V.,
dr.
"Aradicaticpa of an old focus of ancylostmiusis. 11,11ic-robiologia
(BLicvr.) 9 no."'It2215-230 My-Je 464
1. 1 --Bare efeztueta in 7--'--'iAatuI de igiena din 'Timisoara,
StAiunea de mala-.1e-heIrrintol.o.vie din Thraisorir-a si Cantim!
fintihelmintic din Anina.

Vistrt 4E3b'
/The M2LeU& trivalent metals with orgaide'onscids.
M. A 1xitentioniettic study of alumina-sailditates. T-
and Acad. rep. po Ulard ROMINC,
a I 1&vj'.W b&cdiari CMM. LU, t La-lVivo-J)i %a. L, a&.
SO, 1442&.-Ilie reaction between thi Al 1+ ions and salicyl-
ates was studied potentiometrically. In the presence of
at lemt; 3 moles of gallcylate/mole of Al at room t"m 2
moles of free salicylic acid were liberated and cotilli'b;
titrated by NaOH and extracted,with ether. The soluble
to I Al:1 salicylate. An insol. alu-
=z3yff):Wprnodd!t corresponding to a ratio of 1 AI:2
sallcylatgs could also be obWned by boiling a mixt. of a
$Din. of..U(NO~)i and sa3leylic acid.
Melia Paecht-Horowitr-

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- CA-WAIIJI--I.; NIAC, G.; ONICIU, L.
Determination of the spectrum of absorption in ultraviolet of
the complex FeS203 - Studia Univ 13-B S. Chem 7 no.l.:27-34 162.

I.; ANDREI, '-/,; ONICIII, L.
Complexes of ti-J.valent metals with organic hydroxy acids. Pt.31.
Studia Univ B-B S. Chem 7 no.1:71-75 1621.

h 1 111.
1.; C"'ITAY
Complexes of trivalei-A metals with organic hydroxy acids. Pt.13-
Studia Univ P-B S. Chem 7 no.2:15-22 162.

t"t DAB' 1 U , I.; !~ I JI, 2. .
I
Gaq:hxu,~3 of trivalent meiais with orf~anil, hydroxy acids. Ft. 14.
Stiidia Undv B-B S. Chem 7 no.2:59-F,0 '(-2.

CA D-A I ~ TI I J , ; (10-1 NA , '11'. ; 0 ILI I y il.
Comptexes of trivalent metals with or_vFtnic hylro-scy acids. Pt. 15.
Stud-ia Univ B-B S. Chem 7 no.2:81-87 162.

CADARIII_,,..,].,,; SCHONBERGER, E.
ReE~ction of methane with carbon r,)noxide on the Ni-Si and
Co--Si catalyzer. Studia Univ B-B S. Chem 7 no.2:99-104 162.

CADARIIJ , I.; ONICIU , L.; SCINIDT, E.
- , -i-
Complexes of trivalent metals with organic hydroxy acids.
Pt. 17. Studia Univ B-B S. Chem 7 no.2:111-116 162.

CADMUU, I.; SCHaNBERGER, R.
Kinetics of reaction between methane and carbon monoxid& in
electric discharges. Stadia Univ B-B S Chem 8 no.1t 19-22 163
1. 09abes-BolyalOUniversity, Cluj*

OSTROGOUCH, A. (deceased]; CADARIU, I.
-- .1
Tests of benz6ylation of some oxoiminotriazinas with benzoic
anhydride. Pt. 4.7. Studia Univ B-B S. Chem 8 no. 2sl9-25
163.

CADARILU, I.; GOINA, T.
-46--~
Complexes of trivalent metals with organic I.iydroxy acids. Pt.
19. Studia Univ B-B S. Chem 8 no. 2:27-30 16 .

SOO, A.; GIURGIU, M.;,a~A~
~#_ 1.
Cla~omatographic studies on the basic complexes of chromium.
Studia Univ B-B S. Chem 8 no. 2:61-74 163.

ONICIU, L.; SCHMIDT, E.;. CADARIU,- 1.
Complex compound terVary metals with organic hydroxy ae'd.
I
Pt. 20. Rev chimle Roum 9 no.12:849-855 D 164-
1. Institute of Physical Chemistry, Babes-Wvai Universityo _
11 Arany Janos Street, Cluj. Submitted July 9. 296.,,..

ONICIU, L.; SCHEDT, E.; CADARIU, 1.
Complexes of trivalent metals with organic hydroxy acids. Pt.20.
Studii cerc chim 13 no.12:893--899 D 164.
1. Chair of Physical Chemistry, Faculty of Chemistry, "Babes-
Bolyal" University, Cluj, 11 Arany Janos Street.

CADEK A ; Hikyska, L.
"Disturbances in superheaters of steam generators."
ENERGETIRA, Praha, Czechoslovakia, Vol. 5, no. 1,, Jan. 1955
Monthly List of East European Accessions Index (EEAI), Library of Congress,
Vol. 8, No. 8, August 1959
Unclassified

FAHRNER, R., inz.; POUR, B., inz., dr.; HLUBUCEK,, inz.;
PFLEGERY V.; NETUSIL, J.; REISS, L., prof., inz.; KOHOUIP,
J.; KRIKk, J.; VLASAK, J.; VLACH, J,,;inz.,.dr.; CMNY, St.;
KALDROVIC, P.; JIMEX, J.; BURES, . SCHIFFLER, 0., inz.;
LIDICKY, Fr.Y inz.; BRAUNER, J., inz.
Record of the lst National Conference of the Czechoslovak
Scientific and Technical Society, Section for Power Engineering,
held in Prague, April 1961. Energetika Cz 11 no.6:Suppl.z
Energetika 11 no.6:1-11 161.

CADEK, J.; KACURA, G.; MALKOOKY) M.
Genetic relations between the thermal springs and Neoidic
rook mineralization in the Teplice and Usti nad Laben
areas. Vest Ust geol.38 no.4: 265-268 je 163.
1. Ustredni ustav geologicky., Praha.

/On !he Mcbmim of tbz AWOn 01 AIVID9 EPZ~= On
Ug Entw" Rmcti=.
'rn.-T-5.
r.i,IJ L44.'j. t4;. I
A paper mpr('~,nlt~ ail vr,!"-
ot
plb- jlAwft.
the eruttwtold m-w-tion thk! cal-"~idr- fOrni,(
221.-.y IePre~Dt th-l - .e. F~ aml
phil~- wbs not, on t-I.T atiler haiid. ob-~ rv,~i cr r. al'-
dccanlj~inol, of nlL& r, -7~
rMnula:tulmile M,k
Oler h I~cnain of th;~
forma'Im, Of fl lal:,~ILIAJ ttlit-,to'd "or.
funm-.j~j
--f th,

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the Ombility Of thoaulmmwq-
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MAMA-- A ~"wiszzi Of
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tlmt fi~iM t6 POlut Of -vifr '0'

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CADEK, J.
Use of microanalytical methods in the study of the isothernal disintegration
of austenite. p. 216.
(HutnicRe Listy, Vol. 12, no. 3. March 1957. Brno, Czechoslovakia)
SO: Monthly List of I'ast European Accessions. (EM) LC. Vol. 6, No. 6,
June 1957. Uncl.

Lc 'q D
CZECHOSLOVAKIA/Physics of Solids - Phase Conversion in Solid DXUes E-6
Abs Jour : Ref Zhur - Fizika., No 2., 1958, No 3451
Author : Mazanec Karel, Cadek Josef
Inst Not Given 1. . r ..' -
Title Effect of Tungsten on the Kinetic Parameters Darine, the Forma-
tion of Pre-eutectoid Ferrite.
Orig Pub Hutaicke listyp 1957, 12, No 6, 492-500
Abstract A study was made of the influence of tungsten on tae speed
of formation and on the growth of nuclei of pre-eutectoid
ferrite in isothermal decomposition of austenite. It was
established that tungsten reduced the speed of foxmation of
nuclei practically independently of the temperature. As the
content of tungsten increases the speed of formation at low
temperatures (below 6500 C) falls substantially while at high
temperatures (approximately 7400 C) it remains a-baost constant.
The dependence of the speed of formation of nuclel on the time
is established: after the lapse of incubation period it
raises rapidly, reaches a maximum and then again diminishes
hyperbolically.
Card 1/1

if
iA

. ........
~Vlie author'dIn"- ",q)II011Y OWIM tdse 01 111votal
-Ili ij~jb6jj The dj't;t:pr4-i; it,
id the couou-SION.ty. itf t1j'. jx;A;J*;:
1, AA Ta.~.- njlois 'b

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imb. lor, OV I,* mte Inhisil
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IJ 0 F
jail/!,70lid State 411vsics - Phase Tzlu-,sition in Eblids r-6
CZPCHOSLOV,A
jibs Jour Ref 2h-ar - Fizika: No 4,p 1958: No BP-79
Author
,~,Ade
lnst- W"11.1 Pragixe,. Czec-hosluNqikio-
9JAle New Lvdm on --;'%e S-Ginactux~,. of Carbord-tride layers
Oi1g PLib Hut~iicke listy., 1957, 12, TIC 7, 597-604
Abstract A microscopic ar4d electron-nia-7:roscopic investigatior was made
of the prk-,cess of n1tro aemeniz:Ltiou of steel. Ilk, was found
that. wben t-he layer contains more than 0-5% ncitrogen, miaro-
scopic porosities are formed d-tiring the. process of nitro cemen
'cation of part of "lie grain '.Do~Lidaries of the Euastenite in. tl-,e
diffusion layer. The canditious of formation of the micropores
and the-Jr shapes are investigated. It is found t-hAt the
of formation of the micropores is the liberation of N in the
form of -m-o3acvlar, non-diffusing N.2 from the atomic N in the
solid solution of 11 in the VUS4- ar)ite. Separation of N in
molec-alar form, in turr, is co:uie~;ted with the local thermo-
dynamic act-ivity of N on the grain boundaries) an act-ivity
Card 1/2

CZECIIOSLOVAKIA/Solid State Physics - Phase Transitions in. Zolid.: L:-(
Abs Jour Ref Zhur - Fizika, 11o 4, 1958, iio 8279
connected not only with the contents of 11 in the layer, but
also with the concentration of the carbon. The condition
for the formation of microscopic porosities on the grain
boundaries of the austenite is that the difference in the
crystallographic orientation of the neighboring grains ex-
ceed a certain critical value. The nuclei of the pores oc-
cur in those places where the iLteraction between the neigh-bor.,
ing grains is disturbed in the boundary layer. The reslilts
obtained confirm experimentally the correctness of the theore.
tical (island) model of the grain bour-daryp proposed by I!Iotlt
(Mott, N.F., Proceedings Physical Society, 1948, 6o, 391).
Card 2/2

~,L)111K, J.
- -
U
Eutectoi~ reaction. It. 2. Eutoctoid --rid rp-arlite reactaon in alloy steF~ls.
p. 6E.? (HutnicRe Listy) Vol. 12, no. Aug. iraha, Czechoslovakia
SCI: -C:~TUT -- 1~.Tj)-'X -%, E.~,S-T' EU~CF-'l," ACC:1~33K:-:S (--,' Pd) LC, -%,-rL. , , :.C. 1, JA.:. 1-
, - ~,' I F

CAD:,A-,, J.
Isothen-iial decomTositjor, of aueenfte -n tun_~-sten_r-cye.j ~~e_ajs. 7: 3
L L 7,,act
tungsten o-
.1 the isothenrial austenite decon.10sition of '211stc,:1ite in
L L
cari-On steel.
P. 777 Olutnicke Listy) Vol. 12, no. 10, Sept. Fr_nha, C7, echos! oval-J a
YCINTHLY 1NDEX ACC-"&~JC7mS (iT--AJ) LC, `iCL- 7, Jk".

Esc, '311S'f'F
CZECHOSLOVAKIA/Solid State Physics - Diffusion. Sintering FE-7
Abs Jour : Ref Zhur - Fizika, No 6, 1958, No 13189
Author :.La&ek_jasz2,_Janda Emil
Inst Vyzkumy.ustav hutnictvi zeleza, Prague, Czechoslovakia
Title Methods of Studying the Diffusion with the Aid of Radio-
active Isotopes
Orig Pub Hutnicke listy, 1957, 12) No 11~ 1OC8-1020
Abstract Examination is made of methods for m,:!asuring the coefficient
of diffusion with the aid of radioactive isotopes. In some
of these methods, the use of radioactive isotopes contributes
to an increased sensitivity, accuracy, and speed . Other
methods are based on the interaction between the radioactive
radiation and the substance. These methods, called absorption
methodG, are suitable particularly because their use rcquires
neither subdivision of the specimens into a layer nor exact
measurements of small distances.
Card 1/1

CZEOHOSLOVAKIJ*I/Solid State Fhysics - Phase Transitions in Solids E-6
Abs Jour i Rof Zhur Fizikp, No 11, 1958, No 25240
Authcr t Oadelc Josefs Tlustn Deper
Inst : No~von
Title j The Bainito Ronction, Fert 1. Frorortios of the Bainito
Reaction
Orig Fub s Hutnicko listy, 1958, 13, No 2, 123-133
Abstract The authors discuss the charreteistic feature of the bninito
tranisfornetion es cccrer6d with ferrite and pearlite, trans-
formation, on the cne hand, end with the nartonsite trans-
formr-tion on the othori In psite of the fact that the beinite
transformation differs from the martensitic one in the dif-
fusion ohnrnotor, there is a deep analogy between the two.
Since the stnbilizntion rhonononon is of groat importance in
the ex1ilanetion of the kinetics of the brainite reaction end
for c forLiulaticn, of n theory for it, the authors discuss in
great deIail the experimental facts pertaining to this rhen-
cmonon. The article contains also a collection end r critictl
CDrd 1/2

CZECH/34-58-3-7/23
AUTHORS:Likeg JiM (Ing.), Mazanec, Karel (Cand.Tech.Sci,'Ing.),
6adek' Josef d.Tech,Sci.-Ing.)
TITLE: pplication of Statistical Methods for Studying the Isothermal
Decomposition of the Austenite. Part II. 1.11ethods of Measuring
the Speed of Formation of Germinations and the Speed of Growth
(Poufttif statistic4ch metod pr"i studiu isotermicke'ho rozpadu
austenitu. Cast II, bletody mereni rychlosti tvorby zarodku a
rychlosti rustu)
PERIODICAL: Hutnicke"Listy, 1959, Nr 3, pp 215-222 (Czechoslovakia)
ABSTRACT: The first part of this work was published in Hutnickd Listy,
1957~ Nr 3, p 216. It was shown in Part I that the basic para-
meters which determine the kinetics of isothermal decomposition
of austenite are the speed of formation of germinations and the
linea- speed of their growth, The morphology of the decompos-
ition products which has a decisive influence on the mechani-
cal and other properties is determined primarily by the ratio
of these parameters. Therefore,, for understanding the mechan-
ism of the influence of alloyin., elements on the decomposit-
ion of austenite, it is necessary to know the influence of
alloying elements on these parameters. Earlier work by the
authors (Ref 2) on the influence of tungsten on the speed of
formation of germinations and on the speed of growth of hypos.
0

CZECH/34-58-3-7/23
Application of Statistical Methods for Studying the Isothermal Decom-
position of the Austenite. Part II. Methods of Measuring the Speed of
Formation of Germinations and the Speed of Growth
eutectoidal ferrite during isothermal decomposition of austuen-
ite has enabled arriving at important conclusions on the mech-
anism of the influence of tungsten on the ferritic reaction
and has also contributed to elucidating certain general char-
acteristics of the kinetics and the mechanism of this reaction.
Correct interpretation of the results of measurement of the
kinetic parameters presupposes basic knowledge of the present
theory of forination of germinations and of their further growth.
Therefore, the first, earlier published, part of this work was
devoted to theoretical fundamentals, T11is second -oart of the
paper is devoted to statistical methods of measuring the kinetu-
ic parameters, Although in the first instance the authors
aimed at studying the decomposition of austenite. the work
v,,ent considerably beyond the scope of this problem. Measure-
ment of the speed of formation o~ germinations and the speed
of their growth is based on several basio operations of quan-
titative stereometric motallo-ra-phy, namely, determinatio f
Card 2/4

CZECH/34-58-3-7/23
Application of Statistical Methods for Studying the Isothermal Decom-
position of the Austenite. Part II. Methods of Measuring the Speed
of Formation of Germinations and the Speed of Growth
the phase composition, determination of the number of part-
icles per unit of volume, determination of the specific
surface, etc. For the purpose of determining the speed of
formation of germinations it is necessary to determine the
fraction of non-transformed austenite as a function of the
reaction time, the number of particles of a given decompos-
ition product per unit of volume, also as a function of
time, and the area of the boundaries of y-grains per unit of
volume (in cases in which it is neoessary to ordinate the
speed of formation of germinations to a unit of the area of
y-grain boundaries). In the first part of the paper the
authors deal briefly with the methods of quantitative deter-
mination of these three magnitudes and also with other meth-
ods of calculating the speed of formation of germinations.
In the second part of the paper the most important methods of
determining the speed of growth are dealt with-and a method
of measuring the distance betweenlamellae, which is one of
the most important parameters affecting the speed of growth,
is described. In view of the large number of available
---'-',-Act the authors could not deal with any of them in det3~~.

CZECH/-34-58-3-7/23
Application-of.Statistical Methods for Studying the Isothermal Decom-
position.of the Austenite. Part II. Methods-of Measuring the Speed
of Formation of Germinations, and the Speed of Growth
They propose to do that in later work which will be devoted
to a narrower field of investigation. There are 5 figures
and 24 references, of which 5 are Czech, 2 German, 1 French,
4 Soviet and 12 English.
ASSOCIATION: Vjzkumnj ustav hutnietv3" ieleza, Praha (Ferrous Metall-
urgy Research Institute, Prague)
SUBMITTED: September 13, 1958.
Card 4/4

CADEK., J.
"Deterrdnation Df the origin of nonmetallic incl.,,.,sions in steel by means of a Ca45
radioactive isotope."
111UTNICKE LILITY, Brno, Czechoslovakia, Vol. 111, No. 6, June 19,59.
Monthly List of Eal-t European Accessi-xis LC, Vol. 8, No. ?, --epte-~,ber 1959.
Unclassified.

~ ? ~" 6,7
Z/034/6o/ooo/0~005/028
E073/E535
AUTHORS: Mazanec, Karel, Engineer, Candidate of Technical Sciences
(Vkzkumn~ fistav VZKD, Ostrava), &dek, Josef, En,-,ineer,
Candidate of Technical Sciences,--p
-e ~
(VY*'zkumn'y ustav hutnietv-1 zeleza, Pralia)
%
TITLE: Influence of Nickel"
n the Speed of Formation of
Germinations and on the Speed of Growth of Hypoeiitectoiciol
Ferrite 1,'*
'
PERIODICjM Hut ick*e
listy, ig6o, Nr 4, pp 232-287
ABSTRACT: Earlier work by the authors of this paper (Refs 1,2)
relating to the influence of W on the kinetic parameters
showed that in the case of high degrees of super-cooling
the speed of growth of the ferrite is controlled by the
diffusion of carbon in the austenite. Therefore the
authors considered it of interest to obtain information
on the influence of nickel, an element which does not
form carbides in steel. For the investigations two
steels were used of the following compositions:
Steel A: 0.27% C, 0.26% Mn, 0.25% Si, 0.033% P, 0.026~/a' S.
o.14% cu, o.o450 Ni, 1.0~'O' Cr;
it B- 0.351% C, 0.33% Mn, 0.29% Si, 0-0335-"a P, 0.024-,,
Card 1/3
0-16% Cu, 1.17% Ni, 1.03',o Cr.

47),,69
Z/034/6o/ooo/o4/005/028
E073/E535
Influence of Nickel on the Speed of Formation of Germinations and
on the Speed of Growth of Hypereutectoidal Ferrite
These steels were produced in a 40 kS capacity high
frequency furnace and cast into ingots which were then
forged into rods of 20 mm dia. Prior to manufacture
the samples were subjected to sphereodisation anyiealing
for 4 hours at 7000C. Specimens of 10 x 10 x 2 mai were
homogenization annealed in special ampoules without
access of air for the duration of one week at 1050*C.
Following that the specimens were electrolytically coated
with a chromium layer about 0.03 mn, thick, to prevent
decarburization. Austenization was effected at 11000C
for 10 minutes in a vertical tubular furnace inside a
protective argon atmosphere. On the basis of the
obtained results it is concluded that:
1) Nickel reduces considerably the speed of ferrite
growth, particularly at high degrees of supercooling
(7000 to 6500C). The influell Ce of ni 1-.e1 on the speed
of formation of germinationsZould noct be determined.
2) The speed of ferrite growth in the range of high
degrees of supercooling is obviously controDed by the
Card 2/3 speed of carbon diffusion in the austenite since the LIK

Z/05 4 /6 O/OOO/OA /005/0 2 8
E073/E535
Influence of Nickel on the Speed of Formation of Geri.ii-nations and
on the Speed of Growth of Hypereutectoidal Ferrite
obtained activation energy of the gro-mith (31 000 cal/mol.
for the steel A and 26 700 cal/mol for the steel B)
approitches the activation energy of the diffusioo of
carbon in the austenite.
3) An araysis was made of the isothermal ferritic reaction
and the activation energy of this reaction was deter.iAued.
The obtained values of the activation energy (37 500 cal/1110-1
for steel A and 35 000 cal/mol for steel B) lead to the
conclusion that the sneed of diffusion of C in the
austenite probably controls not only the speed of growtli
at high degrees of supercooling but also the entire
kinetics of the ferritic reaction.
There are 13 figures, 2 tables and 11 references, 3 of
which are Czech,, 4 Soviet and 4 English.
Y.,
ASSOCIATIONS: Vyzkumny' fistav VZKG, Ostrava (Research Institute
-VtKG, Ostrava) and V 1.1 ~ C.. At chromium concentrations of up to
1-5-2',"? Cie ,7-' ~'io carbide M,C is only slightly affected
by tlie chromi,,-i;.i content; however, at fii-her concentrations
cillroMililil. reduces the stability of 2,12C. The iron concentration
in M9C may reach abot,t 10~'; and in some cases it may reach 27%-
T.,,:! i5oro~-iium concentration may reacli 22,o. The view is widely
:ield ziiat if -tlie solubility of a given element in a given
carbide is less than the concentration of this element in the
solution, tiie car6ide may accept the given element in a
concentration riot hi_ther than the concentration in the solid
Solution. It was found that this vieur is not generally valid,
.Lor instan-e, m-C wiiic:-, precipitates during 6 ain terapering in
tl-,e steel CM7 1,.,o and 4.2% Cr) containibd 5.3% Mo and 2.6%
the aut-1,1urs could not explain this phenomenon. Neither the
prec-ipitation of the intermetallic Laves phase Fe 2Mo nor the
for.-.iatio.q of a quaternary carbide could be proved for any of the
steels iiivesti~~ated; all the carbides -%,rhich precipitated ands
e:~isted in the stable state were derived from carbides of
tae a-ppropriate binary or ternary sub-systems. There are 16
ligures and 3 tables.
Card 3/4
Cr;

Precipitation of carbides ... Z/034/62/Ooo/oo8/oO2/004
B073/E535
/ If
ASSOCIATION: Vy'zlcumnny' d'stav hutnictV3. zeleza, Praha
(Iron and Steel Research Institute, Prague)
Steel Composition,%
'Ra t Ii o
0.162
341
132
Table 1
c I mn I si I Cr I Mo
CMI 37
1 1 02 1 35 0.48 0,842
C%12
~.33
:
.26
04
111
1
12
1
1
2N
0

CA13
0.39
0,46
0.02 3
1
1
~
:
1:
0:
CN14 0.38
o
0
0.1 1
N
0 W13
CM5 0.30 0.j
l 4
0.0 1.69 5.7 01
1,3 2.375
C116 0.47 0.30 0,42 4.51 0.56 2,215 0.149
C'.%T7 0,42 0,39 0,40 4.22 1.15 2,321 0,331
CNIS ' ' -14 11
1 74
1 2,13 2.957 0.714
c"19 :3. :4 .30
: 428
: 3,55 2,532 1.137
CM10 0.4' "" 132 4 25 5.45 2,394 1,6G2
CMI 1-) 0. 37 0,27 0,25 4:39 6,62 2,740 2,24
0
C,,2
::) o ,

2 0

1 33
0 4 57 3.77 4,215 5
2.88
CM
,3 Go
: 25
0: 011
: 12:56 2,00 4,813 0,417

1
CM 4::)

I
0
1
21
0
11 17
2
1 3.22 6,192 9
0&3

CIN115
r,
4
.:
3.
:
039
:
1346
:
6,26
~,756 3
.1:70
C r a t Mo
r a t C "Ho at.% C
-Y.4- Austonization temperature 12500C
Card 4/4

Z/034/62/ooo/oo9/ooi/007
E073/E535
AUTHORS: 6adek.,_j_01%eX_,--Engineer, Candidate of Science and
Freiwillig, Rudolf, Engineer
TITLEt Precipitation of carbides in alloy
Part II. Precipitation of carbides
chromium-tungsten steels at 650.*C
PERIODICAL: Hutnick4 listy,' no.9, 1962, 648-655
steels.
during tempering of
TEXT: In Part 'I of this paper (Hutnick4 listy, no.8, 1962,
5?3-580) the results were described of carbide precipitation
studies in fifteen chromium-molybdenum steels, tempered at 6500C
for periods between 6 min and 5000 hours. This second part
contains results of carbide precipitation studie-s under the same
conditions of thirteen chromium-tungpten steels with compositions,;
Table 1, such that these steels can be considered as.pure
quaternary Fe-Cr-W-C steels. Results: The presence of chromium in
tungsten steels extends the range of If concentration in which NC
may form as a transient phase. This may be du,e to the widening
of the Xange of stable existence of this carbide by chromium. In
Cr-W steels M6C may occur during tempering, either as a stable or
metastable phase without preliminary deformation of the transient
Ca:rd 1/4

Precipitation of carbidos Z/034/62/000/009/001/007
B073/B535
carbide M2C. The presence of W in Cr steels extends considerably
the range of concentration in which the carbide M C 6 can form and
exist in a stable manner; the Cr and W concentratHns in the
carbide M23C 6 may vary -within wide limits. M 21C6 and NC are the
most frequently observed.carbides in Cr-W stee s, particularly in
high alloyed ones. This is caused by the tendency of the Cr and W
to form in Fe-Cr-W-C alloys carbides which are specific to Fe-Cr-C
and Fe-W-C alloys but are characterized by a iiufficieni solubility
of the second element (W or Cr) and of iron. Howeverv 'there is no
tendency to form the carbides M C and MC, which have a low
solubility for tungsten,.chromi ZM3 and iron.- Even a small addition
of Cr into W steels leads to a drastic slowing down or complete
supression of formation of the carbide MC. The solubility of
tunpten in M C is only about 1.5% in the equilibrium state but
in the metastzbie state-the W concentration in M C carbides may
be much higher, since it can be considerably hig e than the
W concentration in the solid solution,reaching at least 5.3%. In
the M C cementite, pi~dsent 14 the metastable state-, the If and
Proba;IY,also the chromium c6neentrntions may be considetably
higher thaA the equi.librium level with the ferrite of tUngsten
or chroWiun, steels andl
Card 2/

Precipitation of carbides Z/034/62/000/009/001/007
E073/E535
simultaneously, the concentration of these elements in M C may be
higher than in the mother solid solution; the causes of Lis
phenomenon cannot be explained. In the initial stages of its
existence, M2C may contain high concentrations of iron and
chromium; the latter hardly increases at all the stability ofM2 C
at low concentrations and probably increases slightly at higher
concentrations. In Cr-W steels M C is considerably less stable
2
than in Cr-Mo steels. In none of the studied steels could the
precipitation of the Laves phase Fe W be proved and this fact is
explained by the strong influence oi the C content on the minimum
W concentration (in the case of a chromium concentration of about
12%) at which this phase can exist. All t he carbides that
precipiiate and exist in a stable manner in the studied steels area
derived from - carbides of the appropriate binary and possibly
ternary sub-systems. Thus, the conclusion of'Kuo (J'.Iron Steel
Inst.185, 1957, no-3, p.297) was confirmed that no quaternary
carbide exists in Fe-Cr-W-C alloys. There are 12 figures and
3 tablep.
ASSOCIATION: V'zkumnj dstav hutnictvI -Zeleza
y
Card 3/4 (Iron and Steel Research Institute)

Precipitation of carbides
SUBMITTEDi -September 16, 1961
Z/034/62/000/009/001/007
r'.073/E535
Table I
Steel Chemical composition,% Ratio x
cwI 0,41
CW2 04
0
CW3 6
0:3
CW4 0,43
cws 0,42
CW6 0,40
CNV7 0,41
CW4 0.45
C%Vg 111
MID 0:41
CW1 1 0.61
MV1
2 060
CW1
3 0:59
c I M. Si I Cr j w i Cr I I w
0,43 oleo 0.85 0,60 0.48 1 0.11
2
0
0 005 16
2

,
,
:58 0:0% 1:61 ,
~N
Q,:8 0.05 1,9D
1
0,38 0.23 1,10
1
:
0,32 0.03 2,73 10.19 1.01 1,68
0.45 0,13 4,46 1,17 3.52 1111
0.67 0,23
4,28
2,04
2,2' 11
0,
01. 1,11 4,22 4,87 2.17 0,74
0:38 O,H 4,33 0.60 2,44 153
0,27 0.12 12.46 3,02 5,61 0:19
1. S7 0.16 12,53 5.30 4,8 2 0, 58
Ou 0.07 11,53 2.10 4,51 1,07
it tCr at.% Cr I
at.% w
at.% C
Card,4/4

)4o(
,L-j
6
AUTHORS: -~aslclr, J-. and Foldyna, V.
Z/034/62-/ooo/olo/oo2/oo2
B-073/r,.335
TITLE: 11T C-at -treated, scale-resistant 1211,'t' Cr-base boron-
and nit rogen-alloyed steels (Partial concluding
research reportY
PE11IODICAL: Hutnicke listy, no. 10, 196'"" 76o
TEXT: The report contains an analysis of published
infori-wition ol"i scale-resistant? heat-treated 125L Cr-base
steels -which, in addition to other alloying elements, contain
boron, nitrogen and combinations of boron bind nitrogen,
AccordinL; to data 1jublislied in.the literzture, a particular
feature of such steels is the excellent scale-resistance of
steels alloyed with a combination of boron and nitrogen.
However, the results given in the report indicate that if the
impact strength is not to drop below a permissible limit,
austenization temperatures should not be ligher than 1 100 OC
a temj;erature too low for achievin-- a high scale-resistance.
Metallurgical factors may greatly influence 'k-he scale-resistance
and the plasticity indices, particularly the notch impact
Card 1/2

Z/034/62/000/010/0012/002
Hoat-treated, scale-resistant ... E073/E335
strength of steels alloyed with boron and nitrogen. However,
inforimition on the influence of these factors is not available.
Steels alloyed with a combination of boron (0-03%) and nitro~;cn
are difficult to shape and this finding is the innin reason i4ly
investization of this steel. is limited to a i-Anii-mm 'and why it is
not continued. Steel of the folloiqin-t- composition has satisfactory
viechanical properties and a good scale-resistance: 0.20': C'
o.6o,,,' mn, Mc%, si, 11.50,'.. Cr, 0.50,j' Mo, 0-50,1' If, 0.25',Cf V, 0.251," Nb
and 0.005~: B. The report contains the results of "orientational"
research on this steel. FUrther results will be published iii
the final report.
Card 2/2

CADEK, Jr)-,ef
-, - -1, t~je creep -,f metala r~nr% a~lc~y,-, am, ir:-,
Gol cquy on - - :.I
!,:, I
d,-,.ritig thp croep. Veswiik (SAV V.?