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G,UGCR'-,'-zVj A.S. (Yoscow) "The state of stress and the carrying capacity of membrane shalls and plates undergoing large deformations". report presented at the 2nd All-Union Congress on Theoretical .,nd Applied Mechanics., 1.!oscow, 29 Jan - 5 Feb 64. ACCESSION NR: AP4041346 5/0115/64/000/005/0031/0033 ;AUTHOR: Kulikovskiy. L. F.; Gri or yew, A. S.,,,_ Grigorovskiy, B. K. TITLE: Photocompensation electrometer SOURCE: lanwritellnaya tekhnika, no. S. .1964, 31-33 TOPIC TAGS: electrometer. radial electrode electrometer photocompensation electrometer !ABSTRACT. At the zero position of an electrometer movable plate, the light from lamp L (see Enclosure 1) equally illuminates two photovaristors P& and Ps . When! the measurand is applied to the electrorneter Input, the plate will move until the measurand is compensated by the voltage drop across feedback resistor r due to current I (the photoyaristor -currents dMerence). Fornmlas for designing sucti an electrormter are supplied., An experitnental slactronieter coxnbined with a standard photo-unit (part ot an r- i 17 galvanounter) had these characteristics: 1-7 Cr 1/3 AGGESSIONNR: APi4_J346-____ range, 100-1.000mv; Input resistance. d 7 ohms. damping time, 0 , 5 sec or less; over -all error. 1. 5-0. 5% for 100- 1. 000 mv, respectively; the reador.1% instrument may have a full-scale current of 0. 1 - 1. 5 me with an internal resistance of 3 kohme or loss. Orig. art. has: 3 figures and 22 formulas. ASSOCIATION: Kuyby*sbe~skiy polit 'ekboichookiy institut JKuyby*sb'Gv Polytechnic Institute) SUBMITTED: 00 ZNCL: 01 SUN COM ZZ NO Jw BOYS 000 OTHER: 000 Card 2/3 AMMCli MAI AP4041346 ram tPut A 3/ 3 Cart. ACCESSION NR: AP4045921 S/0119/64/000/009/OOZZ10OZ4 AUTHOR: Grig!3_xjxqXA_A_- A. (Engineer); Kulikovskiy. L. F. (Doctor of technical sciences, Professor) TITLE: Photoelectric amplifier with a fiigh coefficient of utilization of the electrometer aperture angle, SOURCE; Priborostroyeniye, no. 9, 1964, 22-24 TOPIC TAGS: electrometer, photoelectric amplifier, photoclcctrometer ABSTRACT. A linear-type electrometer with an aperture of 1. 50 is used in a new photoelectrometer instrument (see Enclosure 1) in which, at zero reading, the light beam covers one-half of each of two photoresintora connected in opposition (FSK-7. b "diffc.rential photoresistor"). The coefficient of utilization of the aperture is 35116. Other technical data given: number of stationary plates# 2 pairs; plate height, 16 mm; ID and OD, 5 and 16 mm, respectively: voltage Card 1 /3 .ACCESSION NR: AP404S9ZI range, �50 mv. current range, 10 amp; quantity range, 5x 16"' coulombs; rated output current, 3 ma; orrorp 1. 5% or to s a. A standard F- 117 photounit and a negative feedback are used in the instrument. Orig. art. has: 5 figures, 17 formulas, and I table. ASSOCIATION: Kuyby*shevskiy politakhnichookiy -institut, (Kuyby*shej Polytechnic Institute) SUBMTTED: 00 ENCIa 0 1 SUB CODE: IE# EC NO'REF SOV: 002 OTHER: 000 capd Z3 ~.7 7. ACCESSION NR t AP4045921 ENCLOSURE, i 4 41 A-photoelectrometric amplifier and Its characteristics 0 is the coefficient of utilization of aperture ve U01 R1 Rol U01. U1, To Card 313 L 15756-65 E1q(l)/F_V1A(h) Peb S/0119/64/000/011/0026/0027 ACCESSION NRt' AP4048842 . AUTHOR: Griaorlie-V Khersonskiyo B. S--j Grigorovskiya BI-K,; K U 11 k a v 8 k ij~ TITLE: Photoelectrometric amplifier SOURCEt Priborostroyeniyo, no. 11, 19649 26-27 TOPIC TACS1 photoelectrometric amplifier, electrometer, electrometer, amplifier ABSTRACT: This article describes a photoelectrometric amplifier used in meauring voltages currents and charge, and widely applied to ionizing-radiation dosimetry, mass-spectroscopy, biology, and In PH meters* In this device (see Fig. I of the Enclosure), a movable element E is placed in the null position,and two photocells PV P 2 are equally exposed to the light of a lamp L. When input volt age V I (Fig. la) is applied, the element twinni causing unequal photocell exposure and. the resultant flow of current I through a feedback resistor R: Card 1/3 L 15756-65 ACCESiZON HRI- AP4048842 Ir RI, Vj Is K'~ V4 out 1 R 'god R is i4q'load where K.1 is the, a tatic amplif Ication f actor resistors R The negative feedback ensures high opiration&I stability, and the circuit achieves oquilibrium Without drawing powe~r~f`r6m' the input sigadl. Variation# on the above,'ddViddi to be, used,d.,L,nit.mak;Ing current and charge me.as4roments (Pig. 1'b" And..1c) 0- are denatibed- construction diagram of an electrometer '(deV6-16ped b7, the-.-suchbre.), u~ln& a standard Y-117.'photo -unit is showns Thd ecification~.-on 0 60 th*s unit include a measilrementirange of~ class of 1.5,.&'domping tima-,ndt-dxctedin'd' 5 1 rra'ftt output. ~.of 1,5 mamp, and an output impedance not ektasdifig kohm',. Orj~-g'- art,' hast' 2 figures andl,4 formulisi ASSOCIATIONs none SUBMITTEDi 00 ENCLI 6i ca,bti, -cc: NO REP SOVt 003 OTHEAt 000 -AT*,. PlMiss t3141 Card 2/3 'CESSION.NR: AP4048842 R Vout-, 4 _PCI W ENCLOSURE: Ol Fig. 1. Electrometer schematics: a voltage; b - current; c_- charge e Electronater; L - lamp; V PI, P2 - photocells; VL - measured 1161L~M, voltage; R_f, ec~back resistor; 'Fit I- Ii - measured current;.gi - measured -c harge; V ut-- output voltage; cca- 3P~2~ Pacitor-,L load resistor. ut Car d 3/3 GRIGORIYEV, , 5'. (Moflk-1-9) Carrying capeetty or el.rcular find ann-,7!jr Mde 01" ;2fistically .A nonhomogeneous mat-.3rial. InLh.zhur. 4 " 6 ' - I (!--,IR.; 17:10) ~. inst.itut mAUsnik' All SS-'P. ACCESSION NR: AP4041644 S/0146/64/007/003/0016/0017 AUTHOR: Grigor'yev, A. S.; Grigorovskiy, B. K. TITLE: Methods for incroasing the deflection angle and for linearization of scale of an electrometer SOURCE: IVUZ. Priborostroyeniye, v. 7, no. 3. 1964, 16-17 TOPIC TAGS: electrometer, electrometer scale ABSTRACT: A simple addition to a conventional electrometer is suggested. Plates 4-5 (see Enclosure 1) energized by a voltage drop, due to the unequal illumination of two photovaristors, create an additional restoring torque. This square-law torque, acting as a negative feedback, essentially linearizes the scale and widens the working deflection angle of the electrometer. Orig. art. has: 2 figures and I formula. ASSOCIATION: Kuyby*shevs~iy politckhnicheskiy institut (Kuyby*slicv Polytechnic Inalitulel SUBMITTED: 28May63 ENCL: 01 SUB CODE: EE, IE NO REF SOV: 000 OTHER: 000 0- --A I /Z Card j "'RABI311EVSKlY, 17.7.; GPIGGRIYFV, Work f-rian!zatlor for accid,,~nt, prtve.,,tJ-1-r. rr,j lqbo.- safF~-t. Me',.sllurg 9 no.gi36.-,48 S 164. ARAMANOVICH, I.G..) 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It of ,it .c jlo~ 1,11 P6* Sea 040 4AIguanza &in qJOAk isiumijx"a O.Z4lrq7,."P.,a-,j, IF so 4b so Isafmolt! *Faql ja again 041 Puy Nuolljouril a"j,, ai pug guitual wqdlw aqx *6""Jifulgaialus pug fill pL lpnpuLLkjjjmj avimas In monwuluuqap pug *x1.1Jgvl owaupivq 101SAISUm appWolyllp Aq Pa1pnif Own ajam %Tz 01 offt slu"U03 23 juaosaipp Mite pug %Ft,guL9*0 in nujn'03 uK iulnsuw 10141% U11al, p*a $As a) UK'A3-OA O&D ;0 NUOI)3M NWQJ3 OA%,L C, 00 .9mize 'd Iadt Iffly-Slar 'pajoap.lig tv.iowov /0 4149JAPS "WS'Sn Pill 10 00-TS 19 OF?- 06 003 Ptvv ?0 Uplooll"O .4"lAuppax -1 -(1 PU0,46441.1!) 00 'I 'V ( U"ftnv Ul~qmmpmbs%3 "a -4 r ";ii an alvam""Pa m 04 041. 111111 a, 1%4, 00 046 r 00 fir 00 00 n a 7) T-Ir I V I of 090 v v -T A A (A OD it: I a A lip 08 k11.9 all tn 0 0 as 00 all 0 00 co .-5r 00 ze i."0 0 00 00,3 42 00 of 0; 001 all 1.1 t goo 1-4x-g till- iuw ONE ?Joe 11100 mot,%LLUVGKAL UWAI-1- % $.most .4 9 43 a ri It u uAV so Is it a A, 000 @S01 00 :10-0911: :.,02.: ***woo 0 _ M 0 0 0 *~ 0 0 0 0 0 W W~' t i A A t, 4 L J A-4 -A L 1 1 1 I - l I L AI 0 44 U,1 ale all. 00 d a an me r A 1 0 0 . in asknp Alsytte (JA Runidan.) a'eyand 1). 1. Ku4ryavtaev. Isvestipie Akad- T. (Ayl 00 C t rMil . 11145. SSSR, Otcklmw Mkimiekeskikk Naelk is (Bullittin OL the Academy of Sciences Of the USSR- Section of Chemical Sclences)o no. 2, Mar.-Apr. ig", p. 16&172. Two croft Gatlofts of UW system Fr-Gr-Mn with d 1.4% a constant manganese content of 0.6.. an etivtly and uith a variable content (if Cr up I were Investigated. Dots are charted, Lebo. latod and Illustrated by a series of photomirro- grapi6. to ret. all A 14 - I L A 6114tWGICAL LITINATIMI CLAIMPICATIGN ez- t ------- A!r ~.4461 .10 441, jet 41TWiiWC 4;~q is I _L_9 -0 11 1 - I - I I a a 1,171'ej-1 ~'1111 U A ty to 118F011 anus Ivan It* MW it 1 34 a Igo of see ago ago fte goo lee lee Iwo 0 0 0 o 0 0 0 0 o & o4 0 41* 0 0 0 o 0 0 A. T /Acadoxy of Sciences Chemistry - Diogmphy mar 49 "In the Department of Chemical Sciences" 2 pp "Test Ak Nauk SSSR" No 3 Session of Educ Council, Tnat of Gen and Tnorg Chen, board Prof A. T. Grigorlyev's report, "A Biographical Sketch of N. I. Stepanow," and Prof V. Ta. Anosorl'a "1. 1. Stepano7la Work on the Metrics of Chemical Diagrams." Stepanor's vork on "compc-~ition-character- istic" diagrams led to Important findings on speed of cbmato&l. transformations. 4(/4gr6 GRIGORITMV# A.?.; GRUZ]AffAg NvN* "Woo t, - mw-pft~-- , Study of Iron - mwmgmnese - chromium alloys. Report ND,Zt Austemite - ferrite and ferrite region, Isy. Sekt. fis. kkim. anal. 18:92-116 149. (NBA 11:4) 1, Institut obahahey I neorgemichakoy khtnii In, N,,S, Khroakem Al SSXL (Irou-chroodum alloys) (Austenits) (Pbrrite (Steel constituent)) ,A Tim Numdsommum in an 101= V. 1). L. k. wv. awl Tj.=- C4010. U.S-I.M. Is. ffll x thom); Ow. Promad. X610. U, A"- 74 nalwi. and diial-urtric nw1h. volp Ann, doe $be * 34 v tromformsti-M in Y-C-1140 V~ two $At& plem italic unilmnly. Time cloned -j epwo ex. 1006 bum dm!::m:v'bOm re-cr to 13% Me. pm&Wlv drq*kg and a rd do Cr v"Ie' sm the Mn ,Im .4 ettv - . bwrvqSW4 The bomendwry motion .1 13 . Mo. awl 461 amm OWN. - I on thr 0 r-! I it- MAls efth inctre-i"S Mo. With torewsaing Mn ljw glommi Opm 0 1- 1 werath Mo lawani Ike C? vefirs '"ars.: am 13% No.Th~ bummiarv "dam trove tkw Fe-Ma pbm and dmp to room t~p. s. Ow Isr"ry Oyawns. "t siodw himerv 4diawanst fm Ff- NI Awl re-ma. The morsommitit firmtave of the pg,%In An4l thr re-upwr ago" alm awl thr tproevel "Itwomer 14 IM l"W"T A 0 0610 That dift" immoll- pamin The . -- v traimboomehom dwim braling but tkite MA UhW Wilb 11011 V 0 IMWAkfWAtiM. K. S. MCC, GRIGORIYEVP A. T. Splavy zheleza a khromom i margantsem (Ferrous alloys with chromium and manganese) Diagrammy sostoyanlya. Moskva, Izd-vo Akademii Hauk SSSR, 1952. 155 p. illus., diagra. "Literatura": P. 152-(156) At head of title: Akademiya Nauk SSSR. Institut Obshchey i Neorganichesicoy Khi--ii. N15 615-4 .G8 GRIGGROTV. A.?.; GRUZMA, NA. w -------- Bffect of carbon on the formation of the etructural di&Uam of the system iron - chromium - manganese. 21:121-131 152. (MIAA 6--7) 1. Institut obahchey i neorganicheskoy khinii izeni I.S.Karnakova Akadexii nauk SSSR (Iron - chromium - manganese alloys) Chemical Abstracts May 25, 1954 Metallurgy and Metallography The chemica! natys. of the a-ilhasaja the &Saw 0011- chromium. A. T~'Griror'cv. N-.-3M-ruufeva-.__an_d 1, :$ ~fta f1s. 4=11"nakov InIt, (,Cn frigg. QsV. _O~L M(Kcow 1mrst? Sellora 1111littit. -iiWe7iri. KA im.. A kod: Nd a k S.S.S. R. 21, 132-13(1952).-The Inv"(1gated binary system Fc-Cr wzo part of a tentary Co-Cr-Pe itystem and of a Ft-Cr coiqg. 2% Ni. The alloys studied were boaloge- niieff ;it t31W (ur several firs. They tem theit annealed at C)IISCul(ty decre %inK temps. (or cc itantly Imiger periods Oarlitig %i(h I(W' (of'O days and extemling in 12 days at A(W. Aildni. anneal wai given the Alloys at tempo. be- 1my then ando + 9, boundary down to room temp. at 100'- intervak. III t1lis the duration was 20,10 (lays for each sirp. Thim prepli. specimens were subjected to Ilietmal. ditatometric. microscopic, hardnem. and magnetile (rati,forinatiou analyses. A hilmotmous r-phaw extended frotla -40-47 to W-51% Cr. lit the tirmfice of 27g Ni the w-phase extended between 44 and 5317o Cr. The bound- Y between the arent of a aud a + r on the Fe side is alon "it - 1Ij'prox.-30,5at.%Cr. The highest hardness was ohwv:l hial(oyscon(g.49.98Rt.%Cr. ThLibiwithiethemmod. Theabsencerifalig, PONSO the hardness curve for the FeXr at. mtfo 1,.l Waak am the a,-pha%e is bc-rthollitic rather than a dakanide. The trwisrormation was at 910*. This h big%" than the 810* Rivrii fly Otok and Jones (Afetallartia 235(101:1); C.. 1. 37, 61129). The differl-tice b ciplahied by file dif- kri-Ilve ill Prmelfure: the Sapid fleating evirloy"( Ill tw- 111111 and Ifilatollietfic analyses in this Invest p6on and file jimlonged thrrmal treatment used by Cook and Jones. ~ro C-1, Yea t~ (I i. In#eittintion of the andtl 0 .a A K AA'jjW_%rM Tr__1_ __z'_ erk-ow). in-est. F[ditay eT i Xeo,r. Kkitit.~ D) I blojorod.. Metal, 7-,T- h iTioffi No. 2 r 2;, R tW 'R 7.k to W-1111 at 1;1 St W-m studied by flitt-mal analy%i,.t. Miernsts The illop; ~%vm twtIA. with Pd ppid. by Na fornime finin a soln. o( Ret and with tA vnrlts%vvrcxn-u1einoxun- dom cmCiblet tinder PAC), 31-11: nit Kryptolfurnave. rot analy,is, the tutors tmc pt11v=iM.I and dilsolvet! Ity hitting In nqit.,% m%ti. The Pd til."oli-rd trit Or Si remained In the fincly dMICII %tatc, pnttiy rii Siflh- The --An, wis vnitt W. almost to dryne", with IICI to tvni.)% e olillrl' of N. nsidne *As troted with listd. 11,0 tind filit-ted. The P4 was ppt4. from the neutz-A sn1n. by re-lucilan vvith X& forinate in the pm-witce of NNWAc. Thc Pit wai filtered ofr and driert at 118 to 120'. Si wan dc(d. by diiTcrtnet. 'nermal analyses were made with a Kurr_A[6v yromtter and PL-Rh thermoomples and the restilts sho'ATS the 'I. dinkyant conli-~tvA of tute"ic r"Clion e qtu perA. by the vompd.-k. Pds%i and INI.Si. ne enie"ic temrs. stud compas. vvere- SM', 16 at, ','IQ it; -#Z)'. 4.5; 8,14Y. fig. The m.p. of NO was 12,14' and of rdSi was 1100'. Mim)"Tucturei of out and annctdrd (7 days at 700', cooled duriar 6 days) alloys %%wt etclied wit'n hot 26.9o ova rutla. Tbe itruclure of tht Antlmled WOS at. % Si alloy shoved IMV .91 crymals rather than the vxt~mted eti- tevic S(ructut, Moe % irkers [writntm-4 (10 kh.) of thr Pd- Tich VOInys Increased wi-h Si Contuit Aq rollawq: 0 fit. 170 S;, FA kg./sq. ram., 1.200, 14.40,30U); V.-M, 46.5-0. A. 0. Citty clool y Ah". Sdab chem.. lball A,+Ao+A..imIhwabww* he foushim of thr cryon. -wfmv in timp wfwy omwile symm. detivtd I - slow tlabb~ IJ%IwmoqmUm.i*osdInmo+m.41nx.- -mjL.1Rpwr 0 ' and Ltbehmtof *vow= he vdw kv an Weal symem. It the tommot. of IN" m I=& dM444 + as + 0. No 0. theowmithottmmiebe Me dr, to Un potemomoeme of a dwm. rewtim twomm A. and 1. ftd by s%Aq + ftAt - ftA. with the compl. A - - - '* m "m Was. peat I, an an&kb- saw I' (Ins, knads to the egos" Ing IN sk + IW b Mb - - 04 + I#V,)/R rid r J6411061111 ).111111 OR I 4-4FftkMtVC"0.CUK1U,. so/pl. OW I Is thop AWN W cfwm, cooso - - OW . lift is the 4111 mob@ of A, macftd tomed to-a k the no, of ok4" ni A idin jr.+od ins.. in ,i.+ A0710r.0 SO to (S./sO + ftil In (xv./irt) T. N. Than GRIGORITAYP'. A.T. - 1-1-1 1 %! I , . Equation of the crystallization surface of,s. binary chemical compound. melting congruently in a ternary system. Doklady Akad. Sauk S.S.S.R. 84. 989-92 152. M" 5: 7) (CA,47 no.20:10325 '53) GRIGGRIZET, A.T. ZqL1*tIons of the crystallization surface of a congruently melting ternary chemical compound and of its' ciospo ionts In the ternary system. Dokl. Akad. Nauk S.S.S.R.'65. 1281-4 052. (MM 5:9) , (CA 47'no.21.,1098) 053) GRIGIJRIYE-V, A. T. Solid State Physics, 'i,erriudynamice (4-896) Izv. Sektora Fiz.-Yhim. Analiza (1nst. ubsnch. i Neorpan. Yhimii A. N. SSSR) No 22, 19531 pp 122-128 Grigor8yev.9 A. T., and 6ruzdeva, N. M. Effect of Tunpsten on the ~Itructure of Diagram of Sta*le .-f 7,!.e lernary SysLem Iron-Chromium-Magnanese An isotlienrial cross section at room temocrature is adq of t!,e J,arram Fe-Cr-41n + 2% W within limits of 6-16% Mn and 30% Cr. It. wau fjurr! by metallopraphic investigation that the presence of W shifts the exterior limit uf gammaloop too higher concentratiuns of Cr, whicn lear!s to a formation of a *.i,ree-phase region. So: Moscow, fieferativWy, "'hurvJ -- n;eka,,. No 5) V54 W-31059 Cr I 143-U(jQM),-TIW pUrpose *"his Investip0m was & dUgfatu of AAA I the syst"" Fe-cr.-Ni with up to 55% Cr an4 v spechriens were homoceniwd for 3 hri. at 11 E te"p, was lowrted strpwise by 100'. and Me time extam as the temp. decrezoed. The Wal w &K time as 6W hm. Phase houndarks Pe wulned bT mkr*"pk tumm. Add detit. of mktahaidmu. On the phase disVwn of this Systerh aft lQUIS41 3 monoPh4m affel and v, four 2-0hase are" + + o. *m4 2 ot + v 'two "ham a + T + v 0 N Am ~Ami- l' uAtIons for the cfT tallis ti surface to tom"T to- I focal a tems. 4 - 4~ Wgim"Z Poklad Mad. a S. ~, 1 27" 1053r,-W.=.A. 47, 1.- Math. qua ns are developed for the crysta. surface In ternarY sYsterns in wWh a vol. dewmPn. or mutual dis- placement OLCUFG. Rovtu Leach USSR/Chemistry Silver-chrome alloys Card 1/1 Pub. 129 - 12/25 Author Grigor'yev, A. T.; Sokolovskaya, Ye. M.; Kruglova, M. I. Title Alloys of silver with chromium D 77 Periodical : Vest. Mosk. un-, Ser. fizikomat. i yest. nauk, Vol. 9, No. 3, 77-82, May 1954 Abstract ; Investigate the silver-chromium system by thermal analysis, micro-hardness measurements, and study of macro-and micro-structures. Establish the silver-chromium equilibrium diagram from these results. Institution : laboratory of the Chemistry of Metallic Alloys Submitted : February 4, 1952 GRIGORIY]gV, A.T.; SOKOLOVSUYA, Te.M.; KRUGLOVA. M.I. i-.".', Silver-chromIum alloys. Vest.Hosk.un. 9 no.5:77-81 my 154. (KLRA 7:7) 1. Laboratoriya khImli metallichniskikh splarow. (Silver-chromium alloys) F-.?.lfj3 KIN -,,AA C- V, F) -T - 13W The (1pisilt-M Njoitirr. 01' site sisms Phisso In thei fross-0troodum Simests. A. T. N. M. Gwuzdr%j.j I imul 1. A. Mindu. Henry Brutchrr Tra ulatf,m No. 3.15.1, 13 1'. [Con/jumu'd fr.)114 Izvevilua Scimm Ana-~ liza, v. 21, 1954,1). 130-143.) flunry Prottlicr. Altadena, Cahf,: Dlivus3lon of naturu of 4r phase In the light of hardness mcisure- ments. Correlation of results of prt-scrit rcsearch with literature' (chiefly ltmsian). diagnum, ujivrographs. 7 ref. GRIGORIYET, A.T.; GRUZDITA. H.YI* Study of cobalt-chromium alloys. Izv.Sekt.fis.-khln.anal. 24:124-131 '54. (KLRA 8:4) 1. Institut obahcheir I neorganicheskoy khtall, im. W.S.lurnakovn Akadezil nauk SS M (Cobalt-chromium alloys) GRIGORIYIT, A.T.; BONDARI, I.Ao Solid-state conversions IA the system: iron - chromium -- nickel* Report no.2. Structural diagram. no.25: 94-116 154. (P-18A 8:5) 1. Institut obshchey i neorganichaskoy khivii in. N.Solurnakove. Akadenii nauk SSSR. (Iron-chroutum-nickel alloys) t Gr 0 y C_ IV, _7 1xivesti,callon 0 dium. X. A, 145-08-1. P"!ifty i Or"t, Magma. maw., Ing. V65b. chn V Kh, "d- Aill"Al S-S-S-R- IOU. No. 28. 2. - p M the. first ej ti. Stildy of 11liq V Ouce alloys, r- tilling from 2 to 91I.J5 at i~ I'd were rrfinc4f I'd and front Al ettritf. 01111 Va. 0,10 Int- tMtitiel by tneltit'll in.L Kryptut furnw I n a cnmndum uu. Cibie tit-OtT n SIAS of KCI and N*CI for the At-tkb liloys A`141 Of (Ir)J7d1`2fVd Bach few the 114-fich ldluys. DAtafrom -)Q1ipt;-ctxfvc detus. Rod chtin, aulyltis were ttxd to con- qTrU(t all ffill(Ldiagram. TLerewasseutectiefeactiLmi, v.4vilig At nr its dil, lialki u4n. aM AI,Pj at (LlO* and 7 Rt. a p,!ritrrtje involving APd, %nd ARI at 7%* am APtle ot 010' and a rcti-tic Involving a-AlPd and a Phx-m rhange from a-AlPd to O-Aird at iocs#, a involving O-Alpd am the gotit. rcmtg. nbout 78 at, 1,1. I'd at 13000 and 6074. Am & from of sc4W_ rohl, forwittiorl.0 L~c at P4 noonS rmm,0141 to.p. of Pd down ca 13ti fforn liquid tmpm. c4 )00'~ 10 Wmt 4.517,,, And from Y cont"O. - tO O"It 78"4;- EWId "its. formitik-4,vialt'not studitc! In Al-tich alloys btit to &S at. N sit 3M . Microscopic clawn. was C,,,,se M;tdt 4 aWyA hornoctilited for a firl. at 900, (W-richl or for 10 hm. at MA' (At-eA) smi cocded dut int nlKtnt 25 brs. tutomferilp, pt chills of the rd qu It 11loyl ~ -%A with 41,; id nital and of the At-ricit alloy4 *,At with arl'a IINOA + 1~; fict + 11;V IIF. The ntiaxCT-~Pbit: rr~~Ultl aclerd well with the tonling-curyt elata, hci~c)rr, u-t anornalks were (Axleryttl in 1he Pd-fich allon and it wal -rich b.01 ~Gnetjsdcd t1gat nfhlnl. vinck was rtep,41rd nit the Pit (J the Aigram. X-I~iy r(twil-m ib.-ed that A1,11d had ou ortitailtainlik structnic with a - 7.01 k O.M5. 6 - 7.54 t UM5, 5,071 1 0105 kx. M'N' was ht"ge=d ~Titfl a " 4 zA * 0.ODt and c - 6. IM +- 0 1102. P-AII'd wal tKAY--entcMA mbiv. CA lboe c4a type w1t% 4 - 3b43 + I)MA. a-Alp't was ficaitconat Vrith a 8.051# + O.Ml VA e W OM3 :b OM. A. 0. GUY .tud- of- aufis of -v.. V. A. 'emifov,,* A. 1'. C T-Tretii.. nif OT~&, hrl i Xra,r. incrrict, 1,, rm ~i_ hIr i:Ocided fro the F of tL,. id d 9m2- tot C_ 4 37, '27,114-; 44 f,~17,: 41 !V2,1. V, ?M~4 -Tht Pr- M17; P11 Tt tt,. b~,,r, Co=,ell~ PdC_M,_W1a M&x ILbout 146 ..'a, -vit,cd tl~e -pt, 4) Q1-' ~CZ I'd -J 2A~* At 'ne -&I., at ab-it aJuy-i wim amllyzrd (hEiti4c-01-- illc oLd IcA by thetuml anal,,sin. 2 and by Ntp-cific etrc. resStAuc~, and Its temp. cotff. Cast k alloys that had bevi annealcd for 1W to 2',10 lim. near thc - P,41!dui temp, =1 then'llawly vAIIIA to I m,die-1 rnfcro.,~nvically An r.(Ilnl. Isra I %1ZM1(p) hts, ILE ftnip". I'mm 10,11 to (27.), t1tv-dcri clutticiling hi Irc w.itm DrintIl h%rdnrm val-j" (,bv,h%,j "ith a 10 ou wife Aptc1pne.-Is, mictoll'ujIll-11 %Vlllc lgf tm)fM ill I l,; a P41 o nde r !fmi I I i c,,f ' .10 riv I M g. Diffv ru t h I rarge 40 to 007 fi,4,ttil curv." were obtAllird Att TO/mm, ThL "s,flto' Showell o espectrol Kvieml fmbire-i and wme presented'iu! th the (O.-M of vertlol Rfctinm at 10% lattrivals In I'd con-1 (-nt. f~q 11(vildto cmnpoiitt diagmm Ofjil.,i ti%Irmal fiectifync 'n, "I) Ivy etiuctie. mv~ ejoendrd litor elmgram to 30%) Pd. Wyund thi,,R cumint, flid 3-1-dia", realon hi thrvettkm scctlon w-ii Mill trlm~iolar vVith lJovtr-' Ox jll~e 1,611V the Ififilildim cttrvi~ A1,41. Imlom the ; ph-iv lil4t% 4W.,Y I " ,1 th, H'I'lOui mfar,) the triirg,11,11 0-minvi 1,1tf) t4 11,tr! "sfIlluffirig tIm m-111,1n. nf-th'! t1t(I 'If thl-Itt'!C61~ !hl!' witli tim criz. Itlitlt of ifir mxr(arc nf Categrzy USSR/Solid State Physics - Systems E-4 Abs Jour Ref Zhur - Fizlka, No 2, 1957 No 3782 Author Grigorlev, A.T., Sokolovskaya, Ye. M., Maksimova, M.V. Title Investigation of Alloys of the Gold-Cobalt System 0-rig Pub Zh, neorgan. khimii, 1956, 1, No 5, lo47-1051 Abstract i The microstructure, hardness, electric resistivity, and temperature coefficient of electric resistivity of Au-Co alloys were studied. The initial materials were 99.99% gold and cobalt containing approximately 0.01% carbon. The resulting diagram of state is good agreement with data of other investigators. Increasing the Co content results in a linear increase in the hardness of the alloys in the two-phase region, reaching 145 kg/mm2 at 98% Co. In the solid-Bolution region, the hardness drops off towards the pure components, sharply towards Au, and less sharply towards Co. The electric resistivity of the alloys first increases as Co is added) and then varies almost linearly with a slight reduction to- wards Co. The temperature coefficient of the electric resistivity varies also almost linearly in the two-phase region, and increases with in- creasimg content of Co. Card 1/1 7;1 Category : USSR/Solid State Fhysiaa - Syatcms Abs Jour : Ref Zhur - Fizilra, No 3, 1957, No 6599 Author GriforlevP A.T. "o'colovakey-, Ya.!.'.., Budanneyn, II.D., Iyutinn, I.A., :Msimovr, P,.V. Titln t Invortiration air the Irllrdi,.7a-'7old-robalt Cystcm Orig Pub Zh. neorgen. khtriii, 15~6, 1, ,,;a 5, lOr-2-1065 Abstract Thermal-anrlyric mothodr. -rl studleo of tho hardnorc crd the tricrostructure eftir rnixnlingr rne hr-rdwiing. from dif- forent tomnorptures, of the vreGific electric resistivity, Pnd of itz tompornture coofficientv vero all u3cd for the firct time to study the ld-W-Co trirle system. The two-phtLe region in tho guld-cobalt systcn sprandc extonsivoly into the triple region, which rop.-hLc; up to 4T;' 1.1 t the center cf the dingrmi) at rcoir ta~-Icorature, and is grpdutily reduced with incrervir.i., trimilorrtin-o, rureYdIjk~ 51-"~ N nt lo(IC-1. Th-j double-autoctic lino otarti, out from the c-atectic roint c-f the Au-Co system and extends into the trirlc syvtom until -..t ree-char v section itith 20i~ Fd, The rompining portion of Ct,rd 112 USSR/lbermodynamics - Thermochemistry. Equilibria. B-8 Physical-Chemical Analysis. Phase Transitions. Abs Jour : Referat Zhtw - Khimiya, No 6, 1957, 18503 Author : ~qv JaA6 Panteleymonov) L,M, Viting) V.V. Kurrina. Title : StvAy of System Copper - Cobalt. Orig Pub : Zh. neorgan. ::L-!-.iii, 1956, 1, No 5, lo64-io66 Abstract : The system Cu - Co was studied by the methods of thermal analysis of microstructure and hardness (Brinell's me- thod). The initial materials were electrolitic Cu and Co containing not more than$ of C. Melting was car- ried out in a Kryptol furnace in corundum crucibles under BaC12 slag. The results of chemical analyses of the top and bottom sides of alloys do not confirm the bibliogm- phic data concerning the solubility absence in the liquid state. No signs of foliation were discovered. A small addition of Cu to Co, causes a sharp rise of the alloy hardness. The phase graph is attached. Card 1/1 184 ,27 Categc:~y USSF/So.11d State Fhyslca - Systems F.-4 Abs Jour Ref Zhur - Firiks. No 2., 1957 No 3792 Author Grigcrlev, A,T., Nnteleymnnov, L.A., Kuprina,, V.V.) Rybak, L.I. Title L-awstigaticr- of the Fall-nAium-Copper-Cobalt System. Orig Pub Zh. uecygan,, khirdi:, 1956, 1, No 5, 1067-1073 Abstract rhe diagram c,f state of the Pd-Cu-Co system was investigated by metal- lograpbAc methods and by methods of thermal analysis, hardness measure- ment-, measuroment, cf electric resistivity, and measurement of the tem- Pe7stuxe c2efficipat. of electric resistivity. It is shova that the mutuBl s-lubtlity of Cu and Co increases with increasing Pd contents. The beterogew~rus region of the Cu-Co system is transformed into a triple system at r,,-cm t,?mperature, Is gradually reduced with increasing content of Pd !m the allnys, and is closed at approximately 55% Pd. The hard- ness of allays of the sections through the triple diagram with constant Pd contezi. 1--creases atrongly from Pd-Cu side, passes through a -3d--, ani dimimishes tvi~ards the Pd-Co, side. Me electric resistivity of the Pi-rich sections ef the system varies in an analogous manner. Card ift USSRIPhys i c al Chcuiscry Thernodynamics. Thurr..ocherdstry. B-3 Equlllbrilxi. PhYM.CO-CIUMIC.".1 -'MalyUiS. Mase Tran.,dtiong Abo Jour Rufurat Zhur - I(himiya) No 2, 1957, 3731 Author Grigor 'vev A.T, . Pantule.=nov L. A., Sokolovskaya Ye.M. , BlInIna T.V , Mastyu"inrx M,V. Inst li~stltute of Ganeral and Liorganic Chemistry, Acader.-,y of Sciences USSR Title Invest--Igation of .11loys of the Palladium-Cobalt-Nickel system Orig Pub Izv. Sektora Fiz.-khira. 31=linan 10N-101, -AN SSSSR, 1956, 27, 185-197 Abstract By nethndn- of therrrl ann1pio, investigntions of r-:cro.. structure, hardnoss nnrl electric resistance) a 9tudy has been rnde of the RI-Co-Ni system. Shape uf liquidus an4 soli(',us curves of sections with coistauit Pd content, and ilso the rr-crostructure of the , ys, ineicate that the allo. con2oncnt3 of the ternary system RI-Co-Ni forn with one Card 1/3 -80 - USSR/Physical Chenistry - Thernodynwdca, Therrx)chumistry. B-8 Equilibrium, Itysico.-Chemical .1nalysis- Phaso Trarjoiticns Abs J.)ur Referat Zhur - Khimiya, No 2, 1957, 3731 anothur a continuous series of aolid solutonr,. Arldition of' Co to Pd-N1 alloys results in a lowering of the hard- ness of the latter, Small additions of Ni to M-Co al- loys decrease CWeatly the hardness of binary alloys rich in Co; in the case of alJoys less rich in Co, a0ditions of Ni. result in slight decrease of hardnoLs. Specific a:;ectric resistance of increases with rising tempe- rature. Lines of equal specific electric resistance at 25C) show that it '.:i decreases from the palladitzi corner of the system,, toward the Co-Ni aide ard rat the same time the tepperature coefficient of electric resistance- decrea- ses frou the palladium corner of the system, toward the central part of the diagram and then lncre~zses n(pin to the Co-Ni side. It vas found that ch-anges in properties of alloys, depending on the compcsition harlneca, elec- tric resistance), on sections of constant PCI contu;Al Car-1 2/3 - 81 - I USSR/Mysical, Cliciaistry - TherLIO(Alk-MiStI-Y. B-13 Equilibriur.i. Mysico-Chemical Analysizi. Ph%su Tran:;itions Abe Jour : Referat Zhur - Khiniya) No 2) 1957) 3731 take place along curves not similar to curves of binary systens with a continuous 3eries of solid solutions. Card 3/3 - 82 - I'A T /Solid State Physics - Phase Trawforwation in Solid Bodies Atiour : Rof mur - risift.. NO 1., 10" 09 AuVior : Orlipor1w, A*Tep Sokolovsksymp Te,Nop Pyatnitskiy, V.I. Inat i Moscov State Vaiver4ty 3-5 : Trassformations in the Solid etate is Alloy* of the Copper- Zinc System in the RegLou of the sk -Solid Solution. : M. neorpaick. kkinii, 1957, 2, So 7, 1547-1551 Abstract Card 1/2 : As iwestiption we an" or the systen C%4& in the re- gion of the o,..solld solution using the methods of dif- ferential thermal analysis, electric resistivity at big% tomperatwo, hardwss,, best capacity) X-ray awlysis, elec- tric resistivity, aad its temperature coefficient, Two Unds of transformations have been established in alloys, and those are onlained by the authors by the forsation of tvo modifications of the chemical compound CujZn, namely SOV/78 -.3 -11-17/23 .AUTHORS: r ev, A. T.. Panteleymonov, L. A., Kuprina, V. V., Voroblyevt V. S. RITLE: The Investigation of the System Gold-Silver-Cobalt (Issledovanlye sistemy zoloto-serebro-koballt) PERIODICAL: Zhurnal neorganicheskoy khimii, 1958, Vol 3, Xr 11, pp 2532-2536 (USSR) ANTRACT: The phase diagram of the system gold-silver-cobalt was construct- ed and investigated. The investigations covered the thermal analysis, microstructure, Brinell hardness, electric resistance, and its temperature coefficients. The purest metals with im- purities of a maximum of 0,01% were the source material. The alloys were treated in krypton furnaces under a barium chloride layer. The fusion and hardness diagrams of the system Ag-Co in the case of a varying Au-content are given in the figures 2 and 3. The determination of the electric resistance was carried out by means of a potentiometer at 250 and 1000C. The electric re- sistance of the system Ag-Co in the case of a varying Au-content Card 1/2 is given in figure 4. The electric resistance reaches a maximum The Investigation of the System Gold-Silver-Cobalt SOV/78-3-11-17/23 approximately at a ratio of Ag : Cc - 1 : 1. The results of the calculation of the temperature coefficients of the electric resistance in the temperature range 25 - 1000C are given in the tables 1 and 5. The diagrams of the temperature coefficients analogous to the diagrams mentioned above have a maximum and a minimum. The microstructure of the alloys was investigated after the determination of the hardness of the latter. Dark phases in the alloys are rich in cobalt, light phases are rich in gcld. The limits of the individual ranges in the phase diagram were determined by means of the microstructure investigations. The investigations showed that the separation zone in the binary system silver-gold exists at room temperature and is reduced by the addition of gold. It vanishes completely in the range of about 67% gold. There are 6 figures, 2 tables, and 10 references, 4 of which are Soviet. SUBMITTED: October 21, 1957 Card 2/2 AUTHORSt Kuprina, V. V. , Grigorlyov, A. 2-21/36 TITLE: Investigations cf Alloys of the System Iron-Cobalt-Palladium (Issledovaniye splavov sistemy zhelezo-koballt-palladiy) I. Melting Curves of the System Iron-Cobalt-Palladium (I. Diagramma plavkosti sistemy zhelezc-eobal't-pailadiy) PERIODICAL: Zhurnal neorganicheakoy khimii, 1958, Vol 3, Nr 12, pp 2736-2739 (USSR) ABSTRACT: To determine the melting curvis of the iron-cobalt-palladium systpm, alloys were studied which had a nonstant palladium content of 10-90 atoms ~. and varying iron and cobalt contents. As the starting materials the purest electrolyt-1-- iron, refined pallaiium and cobalt, and a carbon content not higher than 0.01O,fo were used. The cooling ourves were plotted using a Kurnakov recording pyrometer. The form of 'the liquidus and solidus curves of the seotions shows that in the ternary system Fe-Co-Pd a continuous series of solid solutions form. The crystals of the solid solutions were ascertained by a micro- s truc tural determination. Card lin*i.,3tigations of Allo-.*3 .)," tha System SOV/7e-"-12-2-,/x6 Palindium. I. Meit-`ng f',t=-ves of the Syster Iror.-~:oba.1I.-Pal.Ia--;iu:. SUIMIT.TED: Hardness determinatioiii vier-i carried out on alloys tempered at 1000 C. There az-,a I -amble, and 27 references, of Yfh'-,-.h P-ra sovipt. jul.i Card 2/2 50), 18(6) SOV/156--~ )-2-15/48 AUTHORS: Pyatnitakiy, V. N., Grigorlyev, A. T., Sokolo7skaya, Ye. M. TITLE: On Transformations in Solid Phase in Alloys of the System Silver - Zinc in the Range of the Solid a-Solution (0 pre- vrashcheniyakh v tverdom sostoyanii v splavakh sistemy serebro taink v oblasti a-tverdogo rastvora) PERIODICAL: Nauchnyye doklady vysshey shkoly. Khimiya i khimichaskaya tekhnologiya, 1959P Nr 2, pp 280-283 (US3R) ABSTRACT: Investigations by other authors (Refs 1-10) pointed out anomalies in the system silver - zinc which are more close- ly investigated by the present paper. The method of differen- tial thermal analysis, the measurement of the electric resis- tance at high temperature *and its temperature coefficient, as well as hardness are applied. The differential curves of thermal analysis show each of them two heat effects at low and at high temperature (Fig 1) pointing out endothermal trunsforma- tions in the a-rango and which are caused by stable phase transitions. Figure 2 gives the phase diagram and table I the temperatures at which the effects set in. The phase diagram shows that at long annealing Ag3 Zn forms which has two modi- Card 1/2 fications: a 1 at low and a2 at high temperature. The curves rJ SOV/156-5)-2-15/48 On Transformations in Solid Phase in Alloys of the System Silver - Zinc in the Range of the Solid a-Solution electric resistance - temperature (Fig 3) of the alloys with 17.6 - 36.0% by atom 'Zn confirm the formation of Ag3 Zn and facilitate a more accurate determination of the transformation temperature (Table 2). The differences between the values of the thermal analyeis and the measurement of resistance are explained by the different rates of heating. The hardness of annealed alloys (Table 3, Fig 4) shows in the range of 25% by atom Zn a broad, flat minimum which is also indicative of Ag3 Zn. The minimum at 31% by atom Zn might indicate the limit of the solubility of zinc in silver at low temperature. The temperature coefficient of the electric resistance shows a maximum at 25% by atom zinc which is also explained by the formation of Ag3 Zn. There are 4 figures, 4 tables, and 12 references, 2 of which are Soviet, and 1 Polish. PRESERTED BY: Kafedra obahohey khimii Moskovskogo gosudarstvenriogo univorni- teta im. M. V. Lomonosova (Chair of General Chemistry, Voocow State University imeni M. V. Lomonosov) SUBMITTED: November 28, 1958 Card 2/2 18(6) AUTHORS: Gri or' ~ev A~.T. ~vprina, V. V., SOV/79-4-71-24/34 mov .1 4e~dumov, , . A. . 11. A. TITLE: The Phase Diagram of the System Chromium - Tantalum (Diagramma sostoyaniya. sistemy khrom - tantal) PERIODICAL: Zhurnal neorganicheskoy khimii, 1959, Vol 4, Nr 3, pp 651-654 (USSR) ABSTRACT: The system chromium - tantalum was investigated by the method of thermal and microscopic analysis. As initial product tantalum was used in a purity of 99-4 *'j and chromium in a purity of 99.68 169. Chromium diffuses extremely slowly in tantalum alloys. In order to attain the equilibrium a longer treatment at higher temperature is necessary. In the system the chemical compound Cr 2Ta is formed, which melts at 2,0200 without decomposing. TM, chemical compound Cr2 Ta dissolves the individual components to a hardly recornizable extent. It was found that the chemical compound Cr 2Ta forms a eutectic with solid solutions of chromium in tantalum at Card 1/2 1,9800 ani 75 '~* tantalum. With solid solution.,3-of tnntalum The Phase Diagram of the System Chromium - Tantalum SOV/78-4-3-24/314 in chromium it forms a eutectic mixture at 1,7000 and 34 % tantalum. The solubility of tantalum in chromium amounts at a eutectic temperature to,,,10 1A. This value agrees well with the values given in publications. The cooling curve of the alloy was plotted corresponding to the chemical compound Cr2Ta. The first thermnl effect at 2,0200 corresponds to the crystallization of the alloy from ttie liquid state, The second effect at I 'B050 poi ts to the transformation of the modification of Cr 2Tn from ~ ---W k . Bnsed upon the results the phase diagram chromium - tantitlum was plotted nnrl is given in figure 4. There are 4 figitres and 2 references. SUMITTED: July 2, 1958 Card 2/2 18(3) AUTHORSi Kuprina, V. V.,~ ~r~ SOV/78-4-3-25/34 TITLE: Investigation of the System Iron Palladium (Iseledovaniye sistemy zhelezo - palladiy) PERIODICAL: Zhurnal neorganicheskoy khimii, 19c)9, Vol 4, Nr 3, pp 655-661 (usa) ABSTRACT: The system iron - palladium was investiratell by micro- structural and differential-thermal analysis, determination of the electric resistance and hardness. The hardness of the alloys was determined in softened and hardened samples at 1,0000, 9000, 8000, 7500, 7000, and 6000. Microstructural analysis was carried out on the some sample. The electric resistance was determined at 250 and 1001 by means of the potentiometer PPTIT-1. Based upon the microitructural and differential-thermal analysis the diagram. was plotted and is given in figure 1. This system contains two chemical com- pounds: PdFe and Pd 3Fe. The solubility of palladium at 8000 j in o6 Iron is not more than 5 atom 76. )r iron mixes with Card 112 palladium to an unlimited extent. In the case of alloys with 40 atom et pallalium a polymorphic transfor-nat-ion occurs at Investigation of the System Iron - Palladium SOV/78-4-3-25/34 low temperatures caused by the transition of cW, iron into iron. Hardness in hardened alloys with 40-60 atom palladium is characterized by a minimum. In the cane of higher temperatures the minimum in hardened alloys is more intensive. As an explanation for the minin7im the formation of martensite and the stabilization of the r phase nre mentioned. The chemi- cal compound Pd Fe occurs in the case of low te,,nperaturqs as 3 PdFe. The curves of the specific electric resistance at 25 0 and 1000 and of the temperature coefficient shoff marked singular points of the chemical compound PdFe in the hardened alloy. In the case of softened alloys the curve of hardness shows a weakly marked minimum. The section of the curve limiting the chemical compounds leads to the formation of a eutectic point at 65 atom '4 palladium. There are 5 figures, 3 tables,and 10 references, 4 of which are Soviet. SUB,I)IITTED: September 30, 1958 Card 2/2 5(2) , 180 ), 113 (7) SOY/'76-4-7-23/44 AUTHORS: Kuprina, V. V., GriGorlyev, A. T. TITLE; Conversions in the Solid ~t`a_t_e7oT__the Alloys of Iron With Cobalt and Palladium (Prevrashcheniya v tverdom 3ostoyanii v oplavakh zheleza a kobal'tom i palladiyem) PERIODICAL: Zhurnal noorganicheskoy kh1mif, 10,519, Vol 4, fir 7, pp 16o6-1612 (USSR) ABSTRACT: An investigation was carried out of alloys In the croos section of the phase diagram parallel to the Iron-cobalt side with a palladium coitent of 2, 5, 10, 20, 30, 40 and 50 at~ Fd by the method of the differential thermal analyois and examination of the microstructures. The results obtained are shown L,,, a table an6 _fn_ figure 1. The analysis of the thermcgrams (F-bo 2)3) proveu that In the majority of cases of Investigated alloys a conversion in thu solid atate occuri within the range of between 700 and 9000p which is accompanied by considerable th4-rmal effects. A comparison between the data of the thermal analysis and those of the microstructures showed that these effects cor- respond to the temperature of transition from the heterogeneous Card 112 ranre into the range of the solid .1-nclution3. With an increa5,e -'7071/78-4 - 7 - 2 314.1 Conversions in the Solid State of the Alloya '3f 1r,-,n W'Ith Cota"'~ and Palladium iii the palladium content the curv-n ae-karating the range of the mechanical mixture from. that cf the hsmiogeneous solid solution bezome increasingly higher, pans through a flat minim-am, and then decline aharply. An eutectcidal decay in the system Fe -- Pd, in the case of alloys that are rich in iron.. loads to a broad three-phase rung-i solid solution in tho compound PdFe). FJeure 5 n1hors the m1--rostructures of the hardenod or annealed allOY3. WIth a ~:;-:ntent of 2 at;4 Pd the ordered range a, enters into the two-phaue range (a+4-, whore it ii connorved until about 46 atA Pd, 1.3 attained. The range of the ternary :;clid 1'~-.c;olutionfi, in the case of ulloys rich In cobalt,as wPlI as in that of alloya ccntaining more than 50 at% Pd, is con3erved right down tc room tempert.ture. Thera are 5 fiLure,.~, I tabl,,,.. and I' referen-aes, ~% of which are Soviet. SUBMITTED: January 20, 1959 Card 2/2 5(2)918(7) SOV/78-4-9-18/44 AUTHORS: Pyatnitskiyj VO Not Grigorlyev, A. T., Sokolovskaya, Ye.X., Lysovat Te. V. TITLEt On Transformations in Solid State in the Alloys of the System Silver - Cadmium in the Range of the Solid at-Solution PERIODICAL: Zhurnal neorganicheskoy khimii, 1959, Vol 4, Nr 9, pp 2039-2042 (USSR) ABSTRACT: The above system was chosen in expectance of an analogy to the solid solutions Cu-Zn, Au-Zn, and Au-Cd, which exhibit transfor- mations in the solid state. Thermal analysis was applied together with the determination of the hardness of annealed alloys hardened by quenching. Alloys containing 2 - 40 &too% Cd were investigated. Thermal analysis was carried out by means of a PK-52 pyrometer. Thermal effects indicating transformations in the solid %9-solution occurred as shown in figure 1. Results are given in table It the phase diagram in figure 2. Compounds formed were Ag3 Cd at 3700, A92Cd at 4500l and another below 7000 containing 4 - 8 atom %Cd, the composition of which is being investigated. The hardness of the annealed alloys is given in Card 1/2 table 2 and figure 3. One wide minimum in the region On Transformations in Solid State in the Illoys of SOV/78-4-9-18/44 the System Silver - Cadmium in tho Range of the Solid OC-Solution 25 - 33 atom % Cd replaces the two minima expected for Ag3 Cd and A92 Cdp thus indicating formation of a eutectic. The hardness of the alloys heated to 300 and 5500 and quenched with solid carbon dioxide (Table 39 Fig 4) reveals that at 3000 the minima in the regions 25 - 33 atom % and 4 - 8 atom % Cd are maintained whereas at 5500 only the latter is preserved and still found at 6500. The heat capacity and electric resistance of these alloys at high temperatures are being investigated at present. There are 4 figures, 3 tables, and 7 references, 2 of which are Soviet. ASSOCIATIONs Moskovskiy gosudarstvennyy universitet im. V.V. Lomonosova Kafedra obahchey khinii (Moscow State University imeni M. V. Lomonosov, Chair of General Chemistry) SUBMITTED: October 9, 1958 Card 2/2 5(2) SOV/78-4-9-38/44 AUTHORSi Grigorlyevt A. T., Guseva, L. I., Sokolovekayat Ye. M., MFLk a TITLEs On Polymorphous Transformations of Chromium in Alloys With Tantalum PERIODICAL: Zhurnal neorganichaskoy khimii, 1959t Vol 4, Nr 9, pp 2168-2169 (USSR) ABSTRACT.- The cooling curve for liquid chromium determined by N.A. Nedumov (Ref 4) exhibits# in the vicinity of the very distinct maximum corresponding to the crystallization temperature, a second maximum which relates to the transition of chromium into another modification at 18150. By means of microscopic, thermal, and X-ray analyses the chromiun-tantalum alloy was investigated in the range rich in chromium after hardening; The location of the solidus and the limits of solubility of Ta in Cr were checked. 18300 was found to be the temperature of transition between the modifications E and d- . In contrast with the data obtained by N. Grant (Refs 1. 2) it was found that immediately after freezing chromium does not possess a face-centered but a cubic body-centirred Card 1/2 On Polymorphous Transformations of Chromium in BOV/78-4-9-30/44 Alloys With Tantalum crystal lattice, which is in agreement with the fact that a continuous series of solid solutions of chromium and C-iron form. There are I figure and 4 referencesp 1 of which is Soviet. ASSOCIATION: Mookovskiy gosudaretyennyy universitet im. N.V. Lomonosova Kafedra obahchey kbixii (Moscow State University imeni N.V. Lomonosov, Chair of General Chemistry) SUBMITTED: January 12, 1959 Card 2/2 SOLOVIYIV, Turiy Ivanovich; ZVYAGINTSEV, Orest Yevgenlyevich; GRIGCROYNT, A.T., prof.,; BANXVITSER, A.L.. red.izd-ve; I, Tfijo, (Nikolmi Semnovich Kurnakov; his life and works] Nikolai Sem- novich Kurnakov; shisn' i deistelinout'. Koskva. Izd-vo Akad. nauk SSM. 1960. 203 p. (KIRA 13:4) (Kurnakov. Nikolmi Semnovich, 1860-1941) 8430~q 5 0 9, 5/189/60/0007004/004/006 B002/BO60 AUTHORSi Grigorlyev, A. Sokolovskaya, Ye. U., Simanov, Yu- P., Sokolova. I. G., Pavlov. V. N., Maksinova, M. V~ TITLEs High-temperature Modifications of Chromiumvind the Phase Diagram of the System Chromium - Molybdenum in the Region Rich in Chromium 1/1 PERIODICALs Vestnik Moskovskozo universitsAa. Seriya 2, khimiya, 1360, No. 4, pp. 23 - 24 TEXT: A study of the binary system chromium - molybdenum (up to 22 wt%Mo) showed that due to the phase transformations of chromium there arise four zones of mixed crystal formation and three two-phase zones ~Fig. 2),having their origin in the tragaformation points of chromium: 1830 C (&Zt6), 16500C (6;p~~), and 1300 C (r-fp). These transformation points are also found on the heating and cooling curves of chromium iodide (Fig. 1). X-ray analysis of the chilled samples gave the following resultsi The &-modifica- tion is a body-centered cubic crystal with a - 2.887 + 3 kX; the 6-phase is hexagonal, and for 13% MO it has the constants a --2.764 � 3 kX and Card 1/2 High-temperature Modifications of Chromium and S/189/60/000/004/004/006 the Phase Diagram of the System Chromium - B002/BO60 Molybdenum in the Region Rich in Chromium c/a - 1.6041 the r-phase is a body-centered cubic crystal with a lattice constant similar -to the &-phase; the P-modification is probably a face- centered cubic crystal. Results obtained from studies of the systems Cr.,Mo, Cr-W, Cr-Nb, Cr-Ta, Cr-Fe, Cr-Ni, Cr-Co, Cr-Fe-Ni, and Cr-Co-Ni, ere communicated to the konferentsiya po zharoprochnym metallam i splavam Conference on Beat-reals-tant Metals and Alloys) in April, 1958, and 7 kpril, 1960, as well as to the VIII Mendeleyevskiy allyezd (8th Mendeleyev Congress) in March, 1959. There are 2 figures and 2 non-Soviet references. ASSOCIATION: Kafedra obshchey khimii (Chair of General Chemistry). Kafedra neorganicheskoy khimii (Chair of Inorganic Chemistry) SUBMITTEDj April 2, 1960 Card 2/2 /OP 1.2 P 0 69024 AUTHORS: Grimorlyev..-A#-Z.ev,6ukoiovskayas To. N p 3/078 /60/005/04/021/040 Zargarova, M. I., Maksimova, N. Vo B004/BO16 TITLE: hromium Investigation of Alloys of theil'alauum Atal= -4 system PERIODICAL: Zhurnal neorganicheskoy khimiip 1960, Vol 5, Nr 4, PP 894 - 901 (USSR) ABSTRACT: The authors briefly refer to data available in publications on the binary systems Pd - Ag, Ag - Cr, and Pd - Cr and In this connection mention Ye. Ya. Rod* (Ref 3), V. G. lusnoteov (Ref 4) V. A. Nemilov et al. (Ref 5), and A. T. Grigorfyev st al- (Ref T~- To investigate the phase diagram of the ternsry system Pd - Ag - Or alloys of seven sections'were prepared with a palla- dium content between 20 and 80% increasing by 10% each tins. Furthermore, the sections with 35.65 and 75% palladium were in- v*stigated. Thermal analysis was made by means of an N. S. Zurnakov recording pyrometer. The results are given In table I and illustrated in figure 2. The hardness test was car- ried out by impressing a steel ball of a diameter of 10 = with a load of 250 kg into the annealed specimens (Table 2, Fig 3). The microstructuro (Pigs 4,5) was investigated on samples etched Card 1/2 by an alcoholic bromine solution. Electrical resistance at 4- 69024 Investigation of Alloys of the Palladium Silver 8/078/60/005/04/021/040 Boo4/Bo16 Chromium System 25 and 1000 was determined by the potontionetric method (Table 1, rig 6). Therefrom the temperature coefficient of electrical re- sistanoe was calculated (Table 1, Fig 7 On'the basis of the resultant data the phase diagram (Fig 1~-was plotted. The region of decomposition occurring in the Ag - Cr system likewi in the ternary system and reaches up to about 42~ Pd. 2:ee existent part of the diagram consists of a region of mechanical mixing. A eutectio point in assumed to be near th* Ag in the Ag - Cr eye- temp which in connected with the eutectio point of the Pd - Or eye- tea by the line of the double outectio. Part of the diagrah In the palladium corner consists of a solid solution resulting from the binary eyatem Pd - Or and adjoining the system Pd - Ag an a nar- row zone. There are 7 figures, 2 tablee, and 9 references, 4 of which are Soviet. ASSOCIATION: Moskovskiy gosudarstvennyy universitot im. M. V. Lomonomova Kafedra obahchey khinii (Moscow State University imeni M.-V. Lomonoo2lL Chair of General Chemistry) SUBMITTED: January 31, 1959 Card 2/2 6"a S/078/60/005/05/19/037 /'P 1.2 00 BO04/B016 AUTHORS: Grigorizov, A. T., Sokolovskayal Yea He# Altuninat Lo *9 911115-6-ya, N* V7"~ 'ki TITLE: Investigation of Alloys in the System Palladium - Copper Chromium PERIODICAL4. Zhurnal neorganichookoy khimii, 1960, Vol- 5, No- 5, PP. 1112-1118 TEXT: In the introduction the authors give a survey of publications dealing with the binary component systems of the t Ornery system Pd - Cu - Cr. They refer to papers by V. A. Nemiloy st al. (Ref. 12) and A. A. Rudnitskiy (Ref. 13). Fig. 1 gives the phase diagrams of the binary systems (adjacent to the resultant diagram of the ternary system). The ternary system was Investigated in nine stations with a Pd content of between 10 - 90 wtq; Pd increasing by 10% each time. The thermal analysis was made by meana of an N. S. Kurnakov pyrometer (Fig. 2). Further the 0 microstructure of the alloys was investigated, which were annealed at 800-1,000 and hardened, as well as etched with alcoholic bromine solution (Figs. 3, 4). Their BrAn:ll har9n7ss was determined (Fig- 5), the electric resistance measured Pt 25 nd 100 Fig. 6), and its temperature coefficient determined (Fig. 7). The experimental data are also summarized in a table. The phase diagram is given in Fig. 1. The range of disintegration in the liquid state, which is observable in the system Cu-Cr, is also maintained in the phase diagram of the ternary system Card 1/2 -mW 6,?sJ1 Investigation of Alloys in the System Palladium - S/078/60/005/05/19/037 Copper - Chromium B004/BO16 and reaches up to 35% Pd. The major part of the diagram is occupied by a meihani- cal mixture with a binary eutectic line which connects the eutectic points of the systems Cu-Cr and Pd-Cr. In the Pd corner there is a range of solid solution which originates from the system Pd-Cr and is adjacent to the system Pd-Cu as a narrow strip. The range of solid solution increases with increasing temperature. There are 7 figures, I table, and 14 references, 3 of which are Soviet. ASSOCIATION: Moskovskiy gosudarstvennyy universitet im. M. V. Lomonoeova Khimicheskiy fakulltet Kafedra obshchey khimii (Moscow State University imeni M. V. Lomonosov, Chemical Department, Cfiair of general Chemistry) SUBMITTED: February 20, 1959 Card 2/2 ~,-,qRIGOR'TXV,_AJJL; SOKOIA)VsKATA, ye.M.: SIMAPOV. YU.P.: SONDLOVA, I.G.; wvwv. V. I. High-temperature modifications of chromium and the structural diagram of the system chromium - molybdenum in the region rich in chromium. Vast, Hook un. Ser. 2t Zhim. 15 no.4:23-24 JIAg 160. (Y.IRA 13:9) 1. lafedra obehohey khimii i kafedra neorganicheekoy khivii Moskov- skogo universiteta. (Chromium) (Molybdenum) S/078/60/005/011/001/025 B015/Bo6o AUTHORS: Grigorlyev, A. To, Panteleymonov, L. A., Ozerovap Z. Pop Akat 6VW-,*'M-.V,~ TITLE: Investigation of the Iron - Palladium - Silver System PERIODICAL: Zhurnal neorganicheekoy khimii, 1960, Vol- 5, No- 11, pp. 2395-2402 TEXT: The ternary system iron - palladium - silver was for the first time investigated by means of thermal analysis, analysis of microstructure, determination of hardness according to Brinell, and determination of electrical resistance and its temperature coefficients. The cooling curves were recorded by a Kurnakov pyrometer (Table 1, Fig. 2, results). The electrical resistance and its temperature coefficients were measured on rodlike specimens made from the alloys concerned by means of a potentio- meter at temperatures of 250 and 1000C (Table 1, Figs- 3-6, results). Hardness was determined on annealed specimens with the aid of an automatic Brinell press (Table 1, Figs- 7-8, results). The same specimens Card 1/3 . Investigation of the Iron - Palladium - S/078/60/005/011/001/025 Silver System B015/Bo6o were then etched in an alcoholic bromine solution and the microstructure was examined (Fig. 9, microphotographs, Table 2, compositions of alloys at which layers separate in the liquid phase). The investigation results supplied show that the region of layer separation observed in the binary system iron - silver extends far into the ternary system and reaches into the middle of the diagram up to a content of about 57 atom% of palladium. In the palladium corner of the diagram there is the region of solid solutions which in the form of two narrowing bands at the opposite sides of the diagram reaches into the region palladium - silver and palladium - iron. Between the region of solid solutions and that of layer separation there is the heterogeneous field with the eutectic line. The latter starts from pure silver near the boundary to the solid solution and then draws away toward the center of the heterogeneous region (Fig. 1). Investigations of the hardness of cross sections showed that the transition from one phase region to another is in most cases characterized at the hardness curve by intersecting curve branches. In contrast therewith, the boundaries of the phase regions may not be determined on the ba3iS of the curves of electrical resistance and respective temperature coefficient. Card 2/3 Investigation of the Iron - Palladium - S/078/60/005/011/001/025 Silver System B015/BO60 By slight additions of silver the effect of the Pd3Fe upon hardness, electrical resistance, and coefficient of the ternary diagram alloys (Figs established. Ye. Ya. Rode, V. V. Kuprina, V. A. are mentioned in the text. There are 9 figures, references: 6 Soviet, 7 German, 1 French, 1 US, SUBMITTED: December 29, 1959 'nary chemical compound reL octive temperature 5, ') was unmistakably Nemiiov, C. 1. Petrenko 2 tables, and 15 and 1 British. Card 3/3 8 ILI ~Lj S/076/6O/OOV?071/O25/O25/XX BO15/BO6O AUTHORS: Qritzorl-vey. A. T., Sokolovskaya, Ye. M., Maksimova, M. V., Sokolova, I. G., Nedumov, N. A. TITLE: Polymorphous Conversions of Chromium in Alloys With Tantalum PERIODICAL: Zhurnal neorganicheskoy khimii, 1960, Vol. 5, No. 11, pp. 2640-2642 TEXT: The authors have established in Refs. 1-5 that chromium appears in five modifications in its alloys. In addition to data from Refs. 1, 2, the present article presents the results of a study on the polymorphism of chromium in the constitution diagram Cr - Ta in the chromium-rich region. The specimens prepared in previous experiments (Ref3. 1, 2) with 0.2 to 12 wt~o Ta were exnmined. In doing so, the authors applied the thermal method by recording the boating and cooling curves on N. A. Nedumov's device, and the differential heating curves of annealed alloys (up to 13500c) by a nK-52 (PK-52) pyrometer. Microhardness was measured, and X-ray anal- yses were made. The constitution diagram (Fig. 1) was drawn on the basis of microetructural determinations (Fig. 2) and thermal analyses (Table). The Card 1/2 5 3 Polymorphous Conversions of Chromium in 3/078/60/005 011/025/025/Xx Alloys With Tantalum B015/Bo6o diagram displays five regions of solid solutions formed by the a-, 6-, and E-modificatione as well a3 four two-p~,ase rei- U _~ionn a+P, ~3+7, Y+t, and 6+E which proceed from the points of mutual transition 0of the chromium modif ications : 18300C (E 6), 16500C (6 about 1300 C (-j an~ about 930 0C (P ---'o. a). Four eutectoid traniformationa Aore oatublisheg in the region of tte-Cr - Ta constitution diagram at 14900C, 1150 0 C, 950 C, and 775 0C, which are caused by the eutectoid decomposition of the respective solid solutions. X-ray data of the individual phasoo agree with those yielded by previous investigations. There are 2 fir-ures, 1 table, and 5 Soviet references. ASSOCIATION; Moskovskiy poaud;jrstvenny,,- univcraitvt, KafuJra obolichey khimii (Moscow State University, Department of General Chemistry) SUBMITTED: June 6, 1960 Card 2/2 0`4 C B/078/60/CO5/011/018/025 B015/Bo6o AUTHORS: Grigorlyev, A. T., Ye Yuy-Pu, Sokolovskaya, Ye. K. TITLE: Constitution Diagram of the Chromium - Cobalt System in the Chromium-rioh Region PERIODICALt Zhurnal neorganicheskoy khiaii, 1960, Vol- 5, No- 11, pp. 2642 - 2644 TEM In continuation of earlier papers (Refs. 1-6), where it has been stated that in chromium alloys chromium has five modifications, the chromium polymorphism was studied here by drawing the Cr - Cc constitution diagram in the chromium-rich region. The microstructure of specimens annealed and hardened at different temperatures was examined, thermal analyses were carried out, and hardness was measured a long with micro- hardness. The specimens were annealed in zrgon at 1000 C for 200h, at 9000C for 190 h, at 8000C for 190 h, St 7 0 C for 310 h, at 600 C for 320 h, at 5000C for 450 h, and at 400 C for 360 h, and were then allowed to c8ol down slowly to room temperature. The hardening took pla 8e at 0 1700 -14500C in earlier described (Ref. 2) furnaces, or at 1300 -900 C in Card 1/3 Constitution Diagram of the Chromium - Cobalt 3/07Y60/005/011/018/025 System in the Chromium-rich Region B015 B060 water. On the strength of data of miorostructural analysis, a number of two-pha, regions wore determined on the constitution diagram (Fig. 1) (a + A,:~ +r, r + 6, 6 + F-) proceeding from the chromium ordinate and ahiftin toward lower temperatures with decreasing chromium content. At 17000C the following phase regions were observed with rising cobalt con- tenti 6-solid solution (99.1 at% Cr), mechanical mixture of solid solu- tions 6 and a (noodle-shapod crystals from 97.5 at% Cr down), a very narrow region of homogeneity. The 6-phaso does not form any corresponding alloy. Examination at the other hardening temperatures indicated the solid 7--solution, the mechanical mixture 7,+ 6, the solid 6-solution and the mixture 6 + E. As contrasting with other constitution diagrams on chromium base there occurs no eutectoid dissociation in the A-region, and the region is conserved down to low temperatures. The results of thermal analysis confirmed those obtainsd from Mi8roscopic examinations. The thermal effects (Table) at 1090 and 1080 C upon the curves of the alloys with 77.3 and 86.5 &t% Cr correspond to the eutectoid horizontal, i.e., to the dissociation of the solid ?-solution, whereas the break at 11400C (77.4 at% Cr) corresponds to the second eutectoid line, i.e., tc the dissociation of the solid 6-solution. The thermal effects observed at Card 2/3 'T Constitution Diagram of the Chromium - Cobalt S/078J60/005/011/018/025 System in the Chromium-rich Region B015/BO60 600-7000C could not be clarified. Measurements of microhardness showed that alloys of the same composition, but hardened from different phase regions, have different degrees of hardness. There are 2 figures, I table, and 7 referencess 6 Soviet and 1 US. iSSOCIATIONi Moskovskiy gosudaretyennyy universitet, Khimicheskiy fakultet (Moscow State University, Department of Chemistry) SUBMITTEDs June 6, 1960 Card 3/3 GIRGORIYEVV A,T, Evaluation of Newtonian mechanics in the mAutabiolpropbyg of Einstein. Trudy Inate Into onto I tekh. 34s-177-186 160. (MIU 14 t 2) (lbobanice) 30340 3/189/~1/000/006/001/005 D228/B304 AUTHORS: Grigor6yev, A.T. and Sokolovskaya, Ye.M. TIT11-,'; Solid-state transformations in chromium and its alloys PERIODICAL: Moscowp UniverBitet. Vestnik-Seriya 11. Khimiya, No. 6,; 19619 3-15 TEXT: The authors discuss their own and other data on solid- state transformations in chromium and its alloys. The increased brittleness of such materials the cause of which is not defi- nitely understood at present generally hinders their prac- tical application, so the question of the allotropic modifica- tions of chromium is of great interest. In recent years the investigation of chromium and its binary and ternary alloye has been carried out at the Laboratoriya khimii metallicheskikh splavov Kafedry obahchey khimii KGU (Laboratory of the Chemistry Card 1/4 On 30340 3/189/61/000/C)U6/001/005 Solid-state transformations D228/D304 of Metal Alloys, Department of General Chemistry, Moscow State University) by A.T. Grigorlyev et al. Their experimental t-ch- niqueB included thermal, microscopic, and X-ray analyses; hard- ness deterainationsl and electroresistance measurements. Equip- ment desirned by N.A,. Nedumov (Ref. 27; Zh.fiz.khimii, 34, no.1, 184P 1960~ was employed to ascertain the transformation tempe- ratures. By constructing structural diagrams for binary alloys of the system Or - Ni. the authors detected 5 homogeneous re- gionstot,fl X 6 9E . In accordance with N.S. Kurnakov's prin- - 31t Vvedeniye v fiziko-khim. anal%~Introduction ciple (Ref 6 to physico-chemical analysis 7, Izd- lul 333R, I ) these mono- phase regions represent solia solutions formed on the base of modifications of chromium with body-centered cubic, face-cen- tered cubic, and hexagonal structures. On quenching different alloys two-ptiase regions were observed at 8he follu5ng Ni concentr8tions and temperaturea: 4% - 1700 ; 1%-1500 ; and 13~-1500 . They are believed -to be due to tne pol7morphic Card 2/4 30340 B/189/61/000/006/001/005 Sol,d-stute, tranuformations D228/D304 conversion, of tileS X , and# forms to tne respective and f mouiftc,;t~ons. The two-phase regions iE +8 "6 + . and ,,v(,re aLao detected in binary Or - V alloys. Heredthe Nechtleoid decomposition. 8f tlie solid s8lut' ons E 6 , and 0- with eutechtic points at 1320 (47~ W)y 1150 (16~ W), and 105f (12~ W) re- spe(,,tively - is observed on the structural graph at the inter- section. of the three regions with the binodal curve; this is corroborated by data cited for the structure of alloys whose co.upositior. corresponds to these points. Analogous results were obTained by the authors when studying binary alloys of Or vath L~U, Ta, Mo, Fe, and Co. Their data for the ternary systems Cx .- V - Mo and Or - Fe - Ni., in which 3 three-phase and 4 two- V~' phase ret~ions occur, also confirm the inain conclusions deduced fro::,, tir.-e investi6ation of binary systemst the existence of five polymorpilic modif Lcations of chromium -c4 , 0 j , S '~ - Wit4 approximat,~~ transition temperatures of 930 forat-, , 1320 for Gar d 3/~ S/189/61/OOU/009461/005 Salid-stut4i, tranofurmations D228/D304 1 rj- 5 00f or and 16300 f or6 There are 13 f i- )12. r(,fi-,t-3nrosx In' Soviet-bloc u-nd 16 non-Soviet- bloc. ;Iiah--laj,,t;uu6e publica- T., t~-, tie 4 :.1u:31. rectint Er.,o f ,) vi,,i~- B.F. Abrahausorl, N.J. Grunt, Truns. as T: UL"'.1.1jot I~u 3tile chrom!,=, k: Ea6- 206, 975 (i955) and I '-ii (11 -), C iis A.~ S,-, c. Yv, 1., 2 )57) ; IA. Hanoet K. Ajiderki. 0 t4 -~t ol'oury ;ILIOYFJ, New York A.R. 1~dwards, J.Inst. (1960), I ~T I ON, Kaf;.Ii-j cb9hrh,--Y kiiimi4- of 'e',leral Card 21-122 if 016" 11 Ll r( "Iri- S/153/6i/004/001/001/009 75-00 B110/B203 AUTHORS: Kuprina, 11. V., Gyj&orlyevt A. T. TITLE: Polymorphous I conversion in alloya of iron with cobalt and palladium PERIODICAL. Izvestiya vysshikh ucliebriykh zavedeniy. Khimiya i khimicheskaya teklinologiya, v- 4t no. 1, 1961, 7-10 TEXT: The authors studied the limits of polymorphous u;--= y conversion in Fe - Cc - Pd alloys. Tile transition from binary to ternary systems has been described in publications. According to earlier investigations carried out by the authors, the conversion temperature in the Fe - Pd system drops with increasing Pd content until the intersecting point with the curve limiting the range of the chemical compound PdFe (phase y1). The interuecting point repreuents the eutectic (6200C and 40 at% Pd). In the present paper, the authors studied cross sections of tempered and hardened Fe - Co alloys with a constant Pd admixture of 2, 5t 10, 20p 30, 40, 50 at% by differential thermoanalysis (1) and microstructural Card 1/7 21122 S11531611004100110011009 Polymorphous a -_ y conversion ... B110/B203 analysis (II). To obtain complete conversion in solid state, the alloys were long annealed in an induction furnace under a BaC12 layer, and then suddenly cooled in ice water from 1000, 900, 800, 750, 700, 6oo0c to study microetruoture; the annealing time was increased with decreas- ing0annealing temperature 00000C: 250 hr; 9000C: 250-300 hr; 800 C: 800-600 hr; 7500c; 500-880 hr; 7000c: 800-500 hr; 6GOOC: 750-1000 hr). In method (I), the heating curves of tempered alloys were recorded with a TIV-52 (M-52) Kurnakov pyrometer and a Pt-PtRh thermo- couple (Fig. 1). Here, conversion takes place in solid state with any Pd admixtures between 700 and 9000C. The heat effect observed corresponds to the transition temperature from the heterogeneous range to the range of solid 7-solutions, as is shown by a comparison of results of thermal analysis and the microstructure of alloys suddenly cooled from temperatures above and below the conversion points. In strongly ferriferous alloys, the eutectic decomposition occurring in the Fe - Fd system leads to FA wide three-phase range (a i y + y,) in the ternary system. The transition from the three-phase state to two-phase (u 4 y) is character- ized by additional thermal effects on the differential heating curves. Card 2/7 23-122 V1 53/6 1/004/001/001/009 Polymorphous conversion ... B110//B203 In method (II), the same alloys were etched with iticoholic i;r, rolution. 0 When coolin(; an alloy of 50 atj~u Fe, 45 at~' Co, and 5 at~l Id from 1000 C (A) and 9000C (B) it was found that the convercion.took place with con- siderable heat effect at 9600C. Typical solid solutions appeared in (A), whereas the a-phaae was observed in (B). Increasing Pd content lowers the conversion points (with 20 at,/'# Pd, solid solutions still eri.-;tinc; at 9000C, two phasen being observable only at 8001C), and produces hiChly dioPerse structure of the u-phase reparated.. There are 3 filf; u res 1 table, and 11 references: 2 Soviet-bloc and 9 non-~;oviet-bloc. The three references to English-language publications read an follows: M. Manson, Constitution of binary alloys. AN. Y.,Toronto, London, 195 It. 1!,yltt;ren, Nature 142, 395 (1930); 73. C. Ellis, Truns. 29, 415 (1940- ASISOOIATION: Moskovskiy Conudarstvotinyy universitet im. M. V. Lomononova, Kafedra obahchey khimii (Moscow State University imeni M. V. Lomonosov, Department of General Chemistry) SUBMITTED: April 18, 1959 Card 3/7 21754 i4f4 51 /006/005/0131015 "'0 1419 3/0 7 - -'06 12.~ b D1213208 AUTHORSt Grigorlyev_L AdLT*t Sokolovskayat Ye. Mop Nedumov, No A.v Rai"s -mova, M. V.9 Sokolovaq I. Go, and Te Tuy Pu TITLEs Polymorphoun conversion of chromium and the phase diagram of the system chromium - nickel in the range of concentrated chromium PERIODICALt Zhurnal neorganicheskoy khimiip v. 6, no- 5P 1961t 1248 - 1251 TEXTt The alloys of ohronium with nickel were studied in the range of concentrated chromium by microscopic, thermal and X-ray analyses. Ther- mal analyses wore made by recording the heating and cooling curves of the alloys hardened at 12000C by means of a Yff-52 (PK-52) pyrometer, The phase diagram of the system chromium - nickel in the range of concen- trated chromium was drawn on the basis of microstructural and thermal anal- yees; it is schematically presented in Fig. 1. Five homogeneous ranges of the solid solutions of cK, and 6 modifications of chromium Card 1/4 21754 3/078161/006/005/013/015 Polymorphous conversion of B121/B208 were found which are separated by diphase ranges x +A, ~ +r, r+S, and 6 +E . Four outectoid conversions occur at 8509 9609 1140p and 12200C. X-ray analysis indicated that the solid solution E of the alloy with 17 % nickel has a body-centered cube with a a 2,879 - 3 U. In the alloy with 13 % nickel, hardened at 14000C, with the solid solution E +9 the hexa- gonal lattice of the solid solution of 6 with the parameters a - 2.514 kX, c so 6o445 U, and so 1,62 was found in addition to the body-centered cube of the solid solution of t e The alloys with the phases 04 +A and 0 have a face-centered cube. Alloys with 17 % nickelp hardened at 9000C and more, have a face-centered cube. The results obtained are in good agrooment with the data in Refs. I - 6 (Refs Is to To Grigortyev, Le No Gusevaq Too M. Sokolovskayaj Me V. Makaimova. Zh. neorgan. khimii, 4j 2168 (1959)- Refs 2t A. To Grigorvyev, To. M. Sokolovakaya, Yu. P. Simanovt Is Go Sokolova, To No Pavlov, Me V. Maksimovae Testen. MGU, no. 4, seriya II, khimiya, 23 (1960), Refs D A. To Grigorlyevt Te. M. Sokolovskayag Yu. P. Simanovv Is 0. Sokolova, Me V. Maksimova, L. I. Pyatigorskaya* Zh. neorgan. khimiit 5, 2136 (1960). Refs 41 A. To Grigorlyevi To, Me Soko- lovskayat Me V. Maksimovap Is Go Sokolova, We A. Nedumov. Zh. neorgan. Card 2/4