SCIENTIFIC ABSTRACT PILKO, V. M. - PILOYAN, G. O.

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CIA-RDP86-00513R001340910005-8
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December 31, 1967
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SCIENTIFIC ABSTRACT
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Bot.zhur. 45 rw-8: 12)2-12)5 Ag 160. ()UR& 1):8) 1. Astrakhanakaya goaudarstvoanaya oblastnaya 9~11skokho- wyaystv--nnaya opytwqa stantsiya. g. kstrakhan'. (Chlorosis (Plants)) (Plants, Effect of iron on) (Plants, Effect of manganese on) PILIKO. Vladimir Metvayevich; BULGA10Y. !.P., knnd.901'skokhos.unuk, otv. red.; TORLATLO. I., red.; KAL CHITS, G., takhz.red. (Fertility of the soils of White FtuBeiaj Plodorodie pochv BSSR. Kinsk, Gos.izd-vo BSSR, Red.sellkhoz.lit-ry. 1959. 195 p. (xIRA 1):6) (White Russia--Soils) P T L I KO, V. M. . kn nd. s n I 'nko k-h - z v ity,,i t v fk n ny k h rit u k- Soil a,jrvq7q in VjlFvyka Distri -t . ~P-Ioiellp ' nc . 1: 111-84 Ja '49. (KTRA 12:1) (Vtlnykn Dtstrict--Snil survyya) I - ~ - j . . . . 1 .1 - . -05 - - P'n ~"IT.' 1* Doterm! of PILIPOV.Shtefan Contest for high-speed operators in Bratislava. Radio no.9:22 Ag '55. (KLRA 8:10 (Bratislava, Czhechoolovakia--Rfkdio--Compotitions) T- T Vol r Fq 1J.S 1, L. PIIJ,1~ , L. U.- e of me 1 dli c calcium; ar. (- x cerpt f r-P, an art 1 clP. P. 13. Pea-cf-ful use of tnermonucIP-Lr enero-~,-. p. Ili. The antiprcto?. p. 1~. Use of 1i -ht met,-11B in the i,i ;Irin, incu. try. P. 1~. The EadiAbition of Pinin,~ in Pariq. p. 22. Experl triental dwelli n,~s rwine of prt f abri cateo p;inc-IF .p. 2~,. G(nesis of electrnstati( charte In the textiie induAry. p. 2i. Vol. 11, No. 12, June 1~56. Mt~",AK-l ELF1 TI;- CIMOLO -1Y Budapest, Hun,arv bo: Last European Accessi-,n, Vol. ,, '.a. 2, -et.. 1,1,7 The 241. wa . N 41-4 0 0 0 0 0 0 0 * 0 9 0 *,*a bu moss vemalto 1.0 two.##I 41 C.'tvf!_j epee -00 4111110ti l, .00 400 a 11- M the gwasks"Oss of cbmtrae"M molu in n1sum ft 110 W" 11. Khm. 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Vaclav 33815 137/62/100C/001/095/2-~- ~52/Al-,, A T=i Welding bast steel with 13% Cr [qCH 422905 (ChSN4229C5)J, PERIODICALi Referativnyy zhurnal. Metallurglys, no. 1, 1962, 12, abstract IE6'_~ (Zvaranie, 10, no. 7, 1961, 198 - 2o2; Slovskian; summekry In EnglisP, Russian, German) TEXT: It is pointed out that stainless steel with 13% Cr is brittle and hard wid unsitltabl.e for welilng. -In accr-rdance with the technology of produc- tion, castings after naving been taken out of the mold are subjected to soft annealing at 70G - 15(,GC with a slow cooling-down. In this state their hard- ne a a and c'( , K L'-e 1 Ow .Castings repaired by welding must undergo heat treat- ment prlor to welding (hardening at 950-1,0000C with air cooling and tempering at 700 - 7500C). After heat Treatment the surface of castings is ground, mag- netic control and handiing of defects before welding are done. The welding is performed with E384 or 13% Cr-NI electrodes. Prior to welding the castings are Card l,'2 Welding cast steel .. 33815 S/137/62/:),~~O/DC 1/-~9t /2'- A052/A,01 prehest,ed -~o 25C, - 4ccO,. rne final he&t treatment consists of diffusion an- nealllrg at c)~ 1,05"C, narde:~Ilng at 400-9500C and tempering at 700-7200C. V Tarisova [Ar,stra,:ter' a note !Complet-~ '~ranela'~Ion) Card 212 Z/ -46/62/00C/,~C ~/,:C7/, D007/DI02 c AUTHOILS how, ~,ky J. !.i !,oor, i lat c of Sc i onces , and Pi I ous , V. of Scioncet, 12", '7hromii1m Steels u."ed at the L~-Tiizl %..Ork: .1) vj i '-"R I C D ILL A , Po. I , I 1) 1 ~4- I(J) T --'J zavo,'.N (Lt-T it ..orks ) i r. Plze I'l, 1r. CO-Oilel'at I or~ c I C. I ~ t r 0d o v na I o c too e P I a;. t . V Z K C, i n 0 F t r a v, i a n d t h 0in Lambt-A, !ovo- lo ed the L 5- -o,--z.-oJc for- and T ~q stet7l.- which are ust-d LIni n ..o,-k,, f o:- prod-uc, i on o 0% Or k'qkj i -ven-, des ; rnod for sorv t co t t ! ,; : c.,, ti-- t o 6~to~. rhc w~- I'l -. cta I o; t I o L v 1 ect ro,ic hn.-, a chomi ca I coryo,, i z . similar to t):o T 51 C; 11'~` -r; ]/", X, ; 2"", ".; k . i,~' 1, j and ;s of martersi-i,: structi,.-t- witi: a f',~r--itc-delta COnt('11t U;1 ',C1 mechanical valuct, at 20'~, ank! t~v crool-strength valuos at 60000 after ho.kr *--raT- ment are relatively h.-h an,, satisfactoi-v for both T 5F and T 59 Ixarent mezalls. 1..eldin.- is done with preheating to 3W-1000C. Before licat treatment, tho wt,lle~i Card 1/2 :1C,T (,/(, 2/0C.C/,,lC I /I,- (7 Id ~ n!,- mod i fj od 1 2,'~ ch cor i ur ov I.,, . . . DOO 7/D 10 2 jo'.I,.~ 1*.,k.,, ", ,,c 1'.."ov lk, 0, ~, t""ll .1 full hcal tj~c:itmcllt, ~110 ,Vcntkw~~ v ;-e f : T-. i r, C, I " ;,e I- f o 17-. od .F') ex t !,emo c its e, *, em pc r . ng a t7300.,; 1 or - 1~011:-.,,h COO, , n-: a 7h,., !1o"ch-tou~~hno,,!. vaiucs of the rnetal triin,,~it;on co:-it-pon,' ti., of the T 59 and T 59 ;,ay-ent. metals,. Th- r-t- a:-e 20 f., --,wc! and 4 (Tochi-cal editor-: Doctor- of Natuf-al )c',ences :a:,'4 o t~ I e1, , VU : Bra r i ~ 1.1 V.1 ) A-SSOCI'tTION: leninovy zi~vodi (Lei in 'Aoi-ks), Plzen~' ~;a rd 12/2 KOUTSKY, J., doe., inz., G.So.; PlLoUS-, V., Inz., C.Se. Confereace of the Humanian Acaieml if Sciences in Timisoara. Ifut 116ty 18 no.3t22/v-226 Mr 163. 1. Zavody V.I. Lenina, Plzen. 1~ J~, Z/034/63/000/003/00VO04 3073/2M AMHORS: Koutslc~j L., Doctor Engineer, Candidate of Sciences, and,pAjRuz_,.~ Engineer, Candidate of Scietices TITLE: Conference of the Ilumanian Academy of Sciences in Timisoara :PMIODICAL: Hutnicke listy, no. 3,.1963, 224 226 A conference on the welding and testing of metals, j.'.1..conven*d by the Technical Section of the Rumanian Academy of -Sciences 0wais held in Timisoarabetween October 12 And 15, 1962. :-~Th*'following papers wore read: , Academician Miclosit selection or~zjtools for welded structures; Professor Doctor St, NAdasan: proulant. state-of testing stools; Academician K,K. Khrenov: now -_,~'current'sourcoa ~or electric-arc welding; Engineor Ion Avram: methods and equiment for welding pressure vessels and pipes mado of carbon mod alley steels (review of three papers submitted by IndiVidual authors)j, Proressor'Ungineor Dan Hateescu: welded and r4achino structures (revio" of four papers submitted by Individual. authors); Engineer'Jonif Hajdu: static and dynamic. tests,(review of six pap*rssubmittid by Individual authors); card 1/3 z/o34/63/ooo/oo3/oo4/oo4 Conference of .... B073/8335 Engineer Vi orel Miclosi: pressure-welding and additives (review '~of three papers submitted by individual authors);- Engineer Ovidiu -,and electric are-cutting of metals (review of several Centea: flamo submitted 'papers); Engineer M. Ratlu-. test methods and test machines (review of four individua* submitted papers); ale (review paper summarXzing Engineer T. Salagean: additive materi experiince.gained in the manufacture of additive wires, electrodes fluxes. in Rumania); Engineer VI. Popovici: various processes of welding high-grade alloy steel& (review of-several presented 'individual papers); Engineer L. Boleantu: non-destructive testing _~.,of me-tals (review of three submitted inAividual'papers, including one an using betatrons for defectoseopy purposes); 'Engineer A,. Ivancenco: now methods 'of welding.(roview paper on welding. undir~ flux. welding-: in. a prot*ctive carbon-dioxide atmosphere and in an argon atmosphere);' Engineer Ao''Dernath: fatiguo-testing of metals (review of seven individually submitted Josif Bonescu: problems of,testing welding Machines -and of work safety (review paper). The conference was attended by O'Ver'230 Rumanian: and, 40'~ toreignt7 j~,Jpejij) qtsl(5~Cxecht 7 Polish, 9'East German, 17 Hungarian). ar LORL, Rarel, inz,, kaMidat tachnic)cych ved; PILOUS, Vaclav, ins. Welding th~ck-wa-lled austeniLic castings for the pa-fer Zvar abor 10 no*21169-185 061. 1. Statni vyzkumny ustav materialt a technologie, Praha; Vyzkumny a zkusebrLi ustat, Len~noty zavody Plzen. S/123A, 2/00G/G 12/01 A V, 4/ AI AMORS: Youtsk~, J., lli,'~,_)usl V , J'oKorn~, R. TITLE Deve',-)ping ,;tee,.-, w,tt, ,-r 'or str.ur. an,i t~jrt;!T,~ parts at the i ~~Int:; im. V. :".nill at i',Zen ("iepilhii f, sluvakia) PERIODICAL: Referativryy zhur-,a., n(_. 1;1, : RIT, abstract ldGi~b ("Lvhra,,. sb.", v. IC, no. 4, 3~~ n; Russian, German and l-.nglish slirnarles) TFXT: A hignly heat-resistant T :-,tef-, gra(le ,f thp mikrt-.r,s:to t,,;- aiks been devr!lr,pf-d (0.16 - 6-5, C, 1. ?.0 0.5 - 1.0% Ni), wh-ich Is useu in th,~, manufacture of forge(A gas turbine 1mrt,. Anotrier ;iewly developed heat-resistant T c),,J grade stef-1 (0 -AV - 0 - 15% C, : : -', - 13.5% Or, 0.5 - 0.8% W, o.,10 - o_xg v, o.~ - 1.0% Ni) repr6sents a transitiDn grade between the classic steel with :2% Cr and Its hlg~-dly hdat-resistant m,_)dir'- cation, and is suitable for tne manufacture of cast parts operating at -)ooli". After oil-hardening at 1,0500C and tempering at 6800C the T 58 grade steel has Card 1/2 Developing modified steei3 w;tn ... V)04/p% rj I 0 kz/lln s ill,,; i~4 rF;.,v CM 'lie 1:1U. t'. ons for the T 59 FrE14 e :Aee 1 ;-e :,-I-S) In a, r), r (6 nours) (air) or 700'_ (air); The mo(~' i f I i--(! stoe ~ graop~i a, d T i ak 6 gm/cm . n ti, 1 ,;eided w!t" -uch ciectrodes, whi,;h nave UVP" 'pfl~, W~, th tne bralhl.,; '11, I -, yield seams witnout -racKs v;' th a reep . Init at 60GOC which F 58M to the Va!Ue3 of the stee:.s t,, r,e wp. Iled (at lc)( 0()C hours anci t)0G('(- ri than I '. kg/mm2 frr the T l)d grade in, -4 e4-jivmill f,ir the T 59 grade steo. -hp E 58 electrodes produced from a stee'. modlfiea with 2.5% W and V, yi-.: I 2, - a.lup bring 4.C, 8 kgm/cmII --tt scam with ak - 1.5 - ,~-5 kAff,/cm ti1s v, aftor trPatment. These electrcxi--~5 -re st;itainle f-)r wedrig material up t, ..; mr th, ness, intermediate annealing Is -sith materiai of greater The Z 58M electrodes cc)ntalir. C,.L+ 'Abstracter's note: nu designiktl,,~ givenj and are suitable for welding material of more than 35 mm thickness in trie case o~._." intermediate annealing being Impracticable. The advantage f the pn E 58M electrode over tne ~ 58 grade is the higher % valu5 of the former, wni,-iL amounts to 1.8 - 3 kgm/cmc- after welding and 5 - 9 9m1cm after heat treatm-.,~t. [Abstracter's note: Complete translation Ya. Polyakov Card 2-12 AUTHOR: -Pilous, VaLlay, " CZECH/34-59-5-9/19 TITLE: 'Veldability of Skoda T-56 High Creep Strength Cr-W-Mo-V steels in the Forged State (Svaroitelnost Yalrupevnj oceli Cr-W-Mo-V 6koda T56 v kovane'm stavu) PERIODICAL: Hutnicke' Listy, 1959, Nr 5, pp 429-435 (Czechoslovakia) ABSTRACT: ~'his steel (which is patented in several countries) has been developed by the Research Laboratories of the 6koda Works. It is a ferritic-pearlitic alloy steel and is made with alloying, elements relatively eaEil:, available in Czechoslovakia. It is intended for produciiir., castings for steam turbines and in the forL7,el state for rotors of 100 to 20u MW unit rating turbine 80 operating with steam of an initial temperature of 565 -- It is superior to the Cr-W-V steels TBW-',') and Loc-~15 at present used for the same purpose. In rhe work described in this paper the metallurgical aspects of the weldability of this steel in the forged state were investigated using V Lof Spec Extra Czech produced (Cr--Mo-V) electrodes. The results cart be summarised thus: Card 1/3 1. The steel Skoda T56 is weldable only in the heat V-." ~Z,ECH/~4-59-5-9/19 Weldability of Skoda T-56 High Creep Strength Cr-W-Mo-V steels in the Forged State treated state and if p8 ssible it should be effected after tempering at 750 C. 2. Austenite to martensite transformation during welging is prevented by pre-heating the for~;ings to 380 C for 15 mins. The resulting structure after welding of the weld metal and of the trgnsition zone is bainite which,after tempering at 750 C,becomes transformed into a ferrite-carbide structure. 3 6fter cooling from 1030 0C at a speed of 1000 to 2;0 C/hr, the base material has low values of impact strength. Therefore, great attention must be paid to the pre-heating temperature during welding. In the case of welding 25 mm plates with pre-heating to 580,C the cooling speed in the traasient zone ;n the temperature range 750 to 600 C is 4,0 000 C/hr. At higher pre-heating temperatures the coolinC speed drops sharply and cracks may occur in the transient zone in the case of welding material of a large thickness. In the case of welding thick rings, where the heat Card 2/3 conductivity is low, it is necessary to reduce the V 91 CZECH/34-59-5-9/19 Weldability of Skoda T-56 High Creep Strength Cr-W-Mo-V Steels in the Forged State content to a value which applies for cast steel Skoda T56 or to carry out the welding in such a way that the cooling speed in the transient zone does not reach critical values. 4. The Czech electrode material, V. Lof Spec Extra, is suitable for welding this steel. After sustained loading at elevated (operating) temppratures, the transition between the base material and the weld metal is gradual and has a ferrite-carbide structure. There are 15 figures, 7 tables and 10 references, 4 of which are Czech, 5 Soviet, 2 English, 1 German. ASSOCIATIOli: Vyzkumny' a zKusebn~ U'stav ZAvodu V. I. Lenina'Plzela' (Research and Test Institute V. I. Lenin Works, Pil SUBMITTED: February 7, 1959 Card 3/3 FlUY-'S , Vaclav, inz. . ScC. Third Interrational Col Icq y on -~ tee I 'r-F, Idabd 11 ty r .,e 16' ). Welmr. Zv&rarie 12 no. ~,: 177-17p, ' 1. Leninovy zavody Plzen. I , 7 '1 , ,, .,a i r i, . , . . ~ r I i I ;,* , ,h , " - :e.J r , . . ': - 7-, .- - , c . . .il, ~r ,~, I-. c 4e , I., - : . , . .% ,, f - 1 . . ; I , 4.- , ; i ,-, , ,~ I *- ,- - I , "', - Z %,,. r n: r , . . ; . I - KOUTSKY, J., inz., C.Sc.; PILOUS, V., inz., C.S~.. Welding of modified 12 per cent Cr steels used in the L4nin Works in Plzen. Zvar abor 11 no.1:154-169 162. 1. Leninovy zavody, Plzen. PILMS, Vaclav, inz., C.Se. New experience with the welding of alloy steel and &LIcya in Leninovy zavody [Lenin W-)rko) in Plzen. Zvaranio 11 no.5s130-135 My 16,1. 1. Leninovy zavody, Plzen. PAWERA, Karel, Inz.; PILOUSI Vaclav, inz., kandidat technickych ved; PUBORIL, Frantisek, inz., dr. Ilicrostructure and mecranica-k properti-L-s of weld Joints -,' austenitic and ferrite pearlitic creep resisting steei !'r,:- boilers with high parameters. Hut listy 16 no.3:lRt,,IYr' '-L, 1, - 1. Vitkovicke zel.ezarny YdemenLa Gottwalda, Ostrava (for Pawe:-~i . . 2. Zavody V.I.Lenina, Vyzkumny a zkusebni us*~av, Plzen Pi'011!z). 3. Vyzkumny ustav hutnictvi zeleza, Praha (for Potx)ril). A '71 1- ,is, VA., aV )T_~ trip pr, S w I I f f r- 1,plerpo Ivryy zh,,rn~il . IV m v ~ r ar, I p .4o*.lIng r ds f i. r, %w . -if r F. _,L:-A a W , . -, I I ar.-i A mn I I ( I !-." ~- , . ..., mm, -11 'm F- p r mr, :'iI~fr,-Lp(,r. tnc rol:-, wpr- firgeo -) Ft d I imp t-P r -nr, f S e r ~,.,;,d tc) wed stee: ~41-,71-, fp r- t P 4. pe )a r -Lrol F r ~hf- sprir whi-I tMe .9e;trr w~i.- hpitpd ir t-r) 0 Lnrl aftpr h4~Ftl_-*r,ept.ment a'. I Ic and i,' kgl m, f f~S; le .7 Ind and Y4 respe,, I ve y ak m- f f e t, i I n a r F, x i r. t -A ho V7- na f w. a I r. i t y r-c. ,,A T~ y ~N- "rig w h r 23306 S LO V /00 6 /6 C1 /, 0 " 01 D2 57/D304 AIJT'IOR: Pilous, Vhciav, Engineer, Cand i da te o f Tecnr,1 _ITciences TITLE: A contribution to the question of' ferri steel weldinp with an austenitic cushion PERIODICAL: Zvhracfsk~ sbornik, no. 4, 1960, V9 - 444 TEXT: The article 'ndicates methods for determining the we1,.)iL:,:- ty cf stQel with different structural basis (austenitic !in, ,'~r- pearlitic). The detailed study at VtZ in Bratislava establist-.-i the advantage of sequence welding during which a "cushion" of a low-cn-'~on electrode (E 44.83) with, 0.06 - 0.08 % carbon con'.-nt is welded onto a low-alloy material. The filling weld is ny the aus ten: ' i c s tab 111 zed ele ctrade ( E ~1~ I ) . The ca rbon i za t i r: r:f, austenitic weld does not occur due to the low carblin --,nls~n! elp~,trode E 44.83, This welding procedure was work(-d out tiy A -~il- mi. k itIn I . babe 1ka ( He f . I : 1331.V Brat i slava 1115 5) . The i mpue t Cara I P-1 23306 SLOV/006/60/000,'oO4/ 0, A contribution t the ... W 37/D304 strength of' thp toe layers i s saf i sfiictory al'ter w- 1 1 inr ,irl i reatment . The weld can be useJ up to the workirif~ t emperat ur-F, iiigh-illoy cladding steel if' thp load bearing steel 1.9 n,,t v-rv thick. Th- arc-welded h(-at r(-sisting butt-jnint w,.th teriai car-, be used for workinf), temperatures frorr, 41)() tr. ~~nol there is still nc~ cairbonizat,,on of* austen,.tic- weldirip R: the low-alloy material ri-ie to th(, low-arbon bptween austeriltic and Inw-tl I -,y m,, t P r i% I s *'r)r t. h- wo 1 1 1 rr ,Ti r,,*ure In the range st,oiid be rn:sdo~, by IH,"" f,-N: rodes , accord i ng to t!!, ners . Thp 1,irge decarb -,P, 1 :-1 r" in tne low alloy 7. al top arl.:,i-ent *~tv 1 1 n~, in P t a . d a r i ri~,, n ea t * r ~ne n 11 a t w () r k . rij, P in,,, - ri, t i r 1-. :17 bonizat icn Find decarboni zat 1 or, i s due t, t t;e d ; ",'erer, of arbor, r, al.'a anl phases ~~q q oted in F " #.. 1 7 ror I anJ I.Pol n!i t. I x il.- y 1 1 :~-rrnL,! st rps,~ at ~100 t,(1,_1''C ~i ~A i i r~:t -sE: -ije-Ll -_r;icFs in a r; P.~)n cl',)se t, 1,11P s' -r; i e ron' t. cc. I o xpti,~s i, r, 23306 SLOV/006/60/000/004/-102/')03 A contribution to the D237/D304 austenitic welding material and the basic ferro-pearlitic material. One solution for preventing cracking is to form an anti-diflusion barrier between these two materials which prevents *-he tran2it of carbon from the low-alloy steel to the austenitic weldinF 7.-tal. The Leninovy zfavody, PlzeA (Lenin Works in Pilsen) solved the prob- lem by using auxiliary rods VZ~* having 60/18 NiCr. This welding -la- terial has a coefficient of tnermal expansion between the low-alloy ferro-pearlitic and the austenitic material coefficients so that cyclic thermal stresses are not so critical and also the sollibili- ty of carbon in VZ~ welding metal is small. The rods are man,,ifac- tured by casting instead of rolline, which is an advantage comparn,,~ with foreign rods. Due to the shortage of nickel they are used mainly for welding alloy VZO of the distributors for gas turbines. Otherwise they are used as "cushions" of low-alloy ferro-pearlitic materials wh'-'lf, the filling electrode is of type 16/8 CrYi. The welding of VZ~ layer is made in a protective argon atmosphere to form an effective barrier against carbon diffusion. The filling weld is made by austenftic electrodes IH/B CrNi (E 391 or E E91). Card 3/5 23306 A contribution to the ... SLOV/006/60/000/004/002/00~1) D237/D304 The welding is made by pre-heating to a temperature correspondinF to the low-alloy material and afterwards the weld is tempered to the temperature of low-aLloy material (material 15 225 - tempering temperature 7200C). The impact strength and hardness established for tempering the weld by the direct weldability test VIS 23 is shown in Fig. 7. MM-18,10 vz.~ Pig. 7. Results of direct weldabi- lity tests V'UIS 2S. Legend: 1 - Hardness Hv; 2 - impact strength in nkg/cm2; 3 - distance from toe in mm; 4 impact strength; 5 - hardness. Card 4/5 v k6 W1 VW r M v 411 300 Mo G 200 -80 40 20a 0 20 40 C V~avw,o I jw.cud. A",1 (~) v ---- I', " _l _ d A:,, F (m 0 b, x ko u Ik) evhFisrhiosii VCS 2~., V ~ a I ed k y p A contribution to the The maximum impact strength is 190 - 216 Hv. The maximum hardness tained after lding close to the were left at ')0C durinp loading After 1500 s there was no breaking cracks were noted after cyclic thermal hours in 23 hour periods. The tests 50ODtest hours at temperature. The gion is in the range of 240 - 252 hardness lip to 350 Hvm in the zone welding metal VZt 60. There are ~~ iet-bloc and 3 non-Soviet-bloc. The uage publication reads as follows: Iron and Steel Inst. IX, 1953, "3 23306 SLOV/006/60/000/004/00", D237/D504 m.K,/cm", the hardness s retween the aff,cted region wis nb- 4o- edpe - 520 Hv. The samples 15 kuIMM2 after h-at treatment. of the test pi ecs-s . Als,- nr loading at '7~0('. for 1000 are beinL, continued to obtain micro-hLrdress of the toi- re- Hvm. Isoli~ted cases had micr-)- close to tt,,e tne edFe f,)r the figures and ~- references: ~ 'j,v- reference to the English-lanp- F.D. Richardson, Journ~,l of the - 51. ASSOCI!'-T!i'N: Leninovy zlivody PlzA (Lenin Works, Pilsen'l I FII)OUS, V. Se-iautcnatic arc w,,j(4,,Tjj,. .. 2()S. (,.vari I )(,, .-3'ntislavh, 7()!. 3. rm. 1 , u,t. i--j SC: Monthly lAst of Fast :~uropear, Accessions (FFAL),LC Vol 4, No. (,. Jvuj-~ ~n..j Pri'OUS, V. Cold pressure welding of aluminun and copper. p. 204. SrR),IIRF,NSTVI Val 5, no. 3, Mar. 1955 C7echoslovakia SOURCE: EEAL, Vol 5, no. 7, July 1956 PIWIIS, V. AluminjLm and copper cold-pressure butt welding. P. 357. 7VARANTEt Vol. 4, No. 12, Dec. 1Q55. Czechoslovakia. SOTIFZF: East F~uropean Accessions List, Ljbrar~y of Conpress Vol. 5, No. 7, Jjly 1956. PILMS, V. "Ose fthaust In Are Welding." p. 169, Prabs, Vol. 2, no. 4, 1954. SO: last European Accessions List, Vol. 3, Mo. 9. September 1954. Lib. of Congress '0 1 3 AUTHOR* V'clav Pilous (~arid To rulginiier) a TITLE: Contrlljut'Tn~_ori tnir Metall,.irgl'ai Weldability -f 5% Cr Steois '4innocu.ated with Mc,'.yb(16nuji, or Tui-igste;, PERIODICAL: HutnifK6 Listy, Nr 10, pp ek~f, w)b ABSTRACT. "Banal' strool witr) 1% r, trini, .-at -od wlth 0 "% m,,* ,Y~)~Janui, Is being suppile(i :r, !rje aT, ast' 5tato and a15(, shaped by the VjtRrv),.-Q Irt_~n W,,rKs "K Gottwald", fo? high t.emppratllTe J~5*, This 4tiel ,i: bvin, used f,-, media with oUtfir,Wing terrperature5 lip tr, ~00 0C and wail temperat'j"es lip t. , ~/5 C,- In orde-r t..-) save mk)l.y:~lfariuB and nlcKel, ZVIL Pll!%en, iiovel-ped a ',% steol grade 15"5W (,~SN 4c 1 100 ) ) u whi ~h trit) 5 -41 Q M,-.l YO(l4anum Is substit.utaJ by -trubIQ trie quantity f tun6stan (!% ' For welding tkiesQ it,eQi4, the WvIdLng Resoai-h Instit'j,4 In Bratislavi is applying f,3TTltlr: alecvodQs wlth a r,)mpc)sjtl,)n simi ,'~ar tc tnat of the weld6id mateTial with allr"Ing toLements In the ~~t,ating_~ The ralectroda Plant Of the 111ti(OVII.-Q l7on W,~,rks tja~lr, Card p-oduced for this purp( se ~Tuif.ablle eje,-trwlas in w~,Ich 1/3 the allcying mat.erlal is locat-od in the (:(..,re _f the e, t- T r,ri 14. 1 r! t h i -, 1,a ~ .7 r t n e Wf, I-,:)pAr ~.J( -, I '~ -, ,rji_ng p1 -6 ~ j, _,W) 61UI 3 -ZE(I 11 IH/31+ U Contribution on the Metallirgiral Woldability of 5% 1,r Ste913 Innoculated with Molybdenum r)r Nng.~ton steol. are dIscu9sed. Thp weldablilty of thpsq steels was iudged from thp haTJnps Cf Jominy rods querched at the fa-es and from tne IoQation of the perlltlc fTOnt on the isothermal diag-ams. Th (a chemical nompositic)ns of the materlals produ~od In the experimental heats arQ given in Table 1, p 095 The test resuits have confirmed ttiat tungsten Increases the stability of the austenite In the farritir-perlItIc range In steels c~ontaining 5% --hromivm. 5% C r W ( 15 5 5W and CSN 42 ?900) steel in whi-h molybdenum Is substituted ty double the quantity rf t--uigstvir (1% W) will have a similar welding ~rdliaviour t.-) that nr '~% CT MO St-QQ1 (1555 - ~SN 1-17 10--'), Th I s wa -7 pr.-,vel b ~- the re.,iii I t ~ .-,f ,cooling experimenl-i a, -teppirl -on] i np between 4~0000 qrl .-,u per ~i, ;,-, j.,rnjriy eno tests an(i (-ai(ulal ~f the :olinp -,,peeds from Card I so the rma II L a ~, i -t a..~ by ~,M~~j T1 !.~, '. 'I" , .- -. 1 n):,, (a e i~ 2/3 which a 20 a 1J'- t U:, I '~$iUrh I),- -- Lt i,,T, ',A Kid i P I a" e11 U~e Perlitir nose re)7''- r, W r-jj -,ied ',r. the case uf welding w1 t1i To .3 -hua nC t,, ;1 t ompt., ralurrd rf ~WO- 4,OU 6701 3 ZE CH, "A 4 0 - I -~ /c Contribution on the Meta, Wellal- ; -Y f Sl-Ge.5 Innoculated with Mclybdanum --~7 Tur,6;~tori and In the rase -f wel-Illng wlth,),,* pre heating (Tabik) It -an be soon that ,n n,- ase w,.ill t.tie speeds be s,,~ high that, the perl'iti rt-~o r,f TI;w S -lirvos woold he a f fe r- ted F--m I ,he P,,,.rt , f -ff welling, W h:i ~: a favouiable ci ~o I 1~ -et, ~ ~cin-o it. relt, e- the stabi ' lt,,, . ' i e a u ~ t on', i t 1,e r ee i ,r, c f t he ba in i - I -an, rn;j t ~,v I ~, #-~L I , Y r, n ie r, c s o c f t n o balnltl(- "o ;?It "US a,* -01 OT a 1- i no the austomt6 Ev on I- f v w thl,k shoot5 aro wullltel, tt e re~ j i t -,:;c ture i n tfiq trans ;ent !~-r,rd , f t!lt? Wel IGJ fna~ol` I al w i i 1 r, e t)a,. ri i t t - wh 1, ~h I s I rans,(,rmed ,-: 3 ~, r b! t , 9 t uc t-u: 9 w! t h a ni gr, no t ~,h IMPa'.t StTength aftEFT- tein~)Vl` I n g Weldtng is Card usually followed b; ttimpt4:mg --it `~T (-)C and lqwling ir. ril.~ 43 Thqro aTQ I L-atlleS alld ' TafproncoF. )~ wl-, r 3 are -i,e Rnglisri and I i~ German ASSOCIATION- a uzita'l Z11L, PI 7ol, (H(tseal-1, arv! L,5-, Tr,-t I-0 ii VIL, P 1 i SUBMITTED: kP I I I 1 1, j ", 4 2;/034/61/000/003/004/011 E073/E335 AUTHORS: Pawere. Karel. Engineer, Jilous, V4;clav, Candidate __We~'"d- - of Technical Sciences, E,~j:Lr Poboril, Frantiiek, E,ngineez, Doctor TITLEz Microstructure and Mechanical Properties of Weld Joints Between Austenitic and Fearlitic Creep- resistant Steels for Boilerts operating at Itigh Pressures and Temperatures PERIODICALs Hutnicke' listy, 1961, No. 3. PP. 186 - 197 TEXTt In thermal power stations with high rperating Bteani temperatures and pressures austenitic steels have to be used for the hottest sections of the superheater and the high- pressure boiler whilst leas thermally stressed sections can be made from cheaper ferritic-pearlitic steels. In 1959 the problem of producing.satisfactory -weld Joints between these two types of steel became acute. Since at the time a satisfactory weld joint between ferritic-pearlitic and austen- itic steels was not available,it was decided to verify the possibility of using a welding technology developed in the Card 1/15 Z'/034/6I/ooo/uo3/wA/ull Hicrostructure and Mechanical ... 1.*073/E335 Vyzkumny a zkusebni ~stav, Z~vody V. 1. Lenina v I-lz-.Ai (Research and Test Inst itute of the V. 1. Lenin Works, Ili laun) . In the first part oi tne paper results published in the literature are reviewedt work is mentioned of A.S. Gellman and V.S. Popov (Ref. 2), J.T. Tucker, Jr. and F. Eberle (Ref. 3), F. Frdmann-Je-.iitzer, M. beckert and H. Schmiedel (Ref. 4), B. Ldfblad and E. Lindh (Ref. 5) and Ii. Linden and Ii. Henneke (Ref. 6) and information vublished by the International Nickel Company (Ref. 8) and also work by A.F. Kozajev, A.V. Sibanov (Ref. 9), L. Jenicek (Ref. 10), Z. Eminger, J. Krumpos (Ref. 11) and 1,. de Harneffe of France (Ref. 13) as well as earlier work of one of the authors (Ref. 1). Practical experience has shown that during heat-treatment and also when the material is held over long periods at the operating temperatures, a decarburis(~d zone, a few tenths of a mm wide, forms in the transient zone in the ferritic-pearlitic steels, whiJbt in the strip which is directly adjacent to the austenitic weld metal a thin carburised zone forms. This behaviour is attributed to the Card 2/15 z/o34/6l/Oou/oo3/uO4/oll Microstructural and Mechanical ... E073/E335 differing solubility of carbon and the a and y phases. For weld joints between ferritic-pearlitic and austenitic material which are exposed to high alternating thermal stresses under load, the Lenin (9koda) Works make the weld using the material VZ6 60, which contains 60% Ni and 50% Cr; the coefficient of thermal expansion of this material has a value which is intermediate between that of" ferritic-pearlitic and that of austenitic steels (Fig. 3). The solubility of carbon in this material,which contains predominantly Ni,is very low and therefore it forms an effective barrier against carbon diffusion. Compared with similar fabricated electrodes produced by Messrs. Wiggin in Great Britain, the Czech-produced electrodes are cast rods, which are considerably cheaper. The V.I. Lenin Works have developed a reliable process for manufacturing such welded rods; the only scrap is that caused by the gatings. &mounting to 25-30% of the charge weight. After casting,the rods are sand-blasted and cold-forged on a rotary forging machine TOS R 16 to a diameter of 3.5 mm. These electrodes are used for argon-arc welding of high-alloy alloys Card 3/15 z/o34/6voo-woo/ooVoll Microstructural and Mechanical ... E073/E335 operating at temperatures up to 700 0C. The welding metal has the most favourable 0mechanical and physical properties after hardening at 750 C (250 HV I impact strength up to 10 mkg/cm2). The hardness of the welding met2l aft,-!r welding is 160 H Vwith an impact strength of 9 mkg/cm . The mechanical properties of this metal. are given in Table 1. The proneness to temper krittleness was investigated at the temperatures of 60o, 650 and 700 0C for 1 000 h,3urs; the impact strength does not change appreciably by the ageing and0a drop by about 20% was detected only after cooling to 20 C, which is attributed to the fact that the weld metal was perfectly hardened. The experiments were vade on welds joining tubes of a diameter of 32 x 5 mm of the steel t!SN 15225 (Lof special extra) with tubes of eqt,al dimensions of the steel tSN 17481 (MnCrTi 17/7). The composition (in of these steels is as foll-wa: 6SN 15225 - 0.10-0-15 C, 0.45-0.65 Mn, 0-15-0,25 5i, 0.40-0-50 Cr, 0.90-1-00 Mo. 0.20-0.35 V, max 0.045 P and max. 0.045 S; Card 4/15 Microstructural and Mechanical... Z/034/61/000/003/004/011 E073/E335 CSN 17481 - 0.05-0-12 C, 17.0-19.0 Mn, max. 0.70 Si. 7-0-8.0 Cr, 0.30-0.60 Ti , max. 0.040 P and max. 0.035 S. The following combinations of weld joints and heat-treatment were used in the experiments: Type of Base Weld Heat treatment weld seam Material Seam (after welding) A 15225/17481 VZU 60 a) 9800C/0-5 h/air 68oOC/1 h/air b) 68oOC/2 h/air c) without heat treatment B 15225/15225 VZU 60 a) 98o*C/0-5 h/air 680*C/1 h/air C 17481/17481 VZ~ 60 a) 9800C/0.5 h/air 6800C/1 h/air C1 17481/17481 PICII d)IOOOOC/0.5 h/air. V/ Card 5/15 Microstructural and Mechanical... Z/034/61/000/003/004/011 E073/E335 The purpose of the combinations 8 and C was to determine the additional influence of the base materials 15225 and 17481 on the properties of the welding material VZU 60; the purpose of the combination Cl was to evaluate the stability of the weld of the austenitic tubes from the steel 17483. welded by the argon-arc method, using the material "C" (MnCrMo(Nb) 17/7) in accordance with the technology worked out by J. Novotni (Refs.16,1;1) at the Vyzkumny' 6stav sva'r-ec'ski (Welding Research Institute). The heat-treatment a) corresponds to that normally specified for the steel 6SN 15225; b) to that specified for erection weld seams of the steel Z!SN 15225; d) corresponds to the heat-treatment specified for welds of the steel 6SN 17481. In contrast to the technology of argon-arc welding of uniform materials, where it is advantageous to fuse the root of the weld without additional material, It is in this case necessary to deposit material from the VZU 60 electrode also into the rvot,so as to prevent diffusion of carbon from the ferritic-pearlitic i-to the austenitic material. The results of X-ray tents with an oblique beam through two walls did not prove satisfactory Card 6/15 Z/034/61/000/oo3/004/011 Microstrlictural and Mechanical E073/E335 from the point of view of giving a reliable indication of the quality of the weld seam and should not be used for quality control. Therefore, the authors considered using an X-ray beam in two mutually perpendicular planes. li:i the bending tests(OfA,B, C) bending angles between 38 and 73 0 were achieved before the first crack occurred and in two cases bending angles of 120 and 1350 were achieved without any crack. These results show that the weld joint has a satia- factory plasticity. Bending tests on the tubes welded with the electrodes "C" showed good resultzi bending angles of 1800 were achieved without fracture. In tensPe tests at 20 0C, yield-point values of 30 - 41.4 kj/ were achieved, with strength values of 45.7 - 59.5 kg/mm ::d contraction of 10.4 - 14.7%. The fractvres always occurred in the weld metal VZ16 60 which,at this temperature,has a low-or strength than both the base materials, the mechanical propertie8 are fully in accordance with the respective values for the cast alloy VZ6 60. Tensile tests at 575 *C showed yield-point 2 2 values of 13.2 - 18.9 kg/mm .strength values of 27.4 - 35.5kg/mn Card 7/15 Z/034/61/000/003/Oo4/011 Microstructural and Mechanical E073/E335 and an elongation of 15.3 - ;42.75*; fractures almost always occurred in the austenite and the results correspond with the appropriate values for the material ESN 17461 at that tempwa- ture. The results of metallographic tests confirm thnt the alloy VZU b0 is suitable for welding ferritic-pearlitic steels with austenitic steels, the coefficient of thermal expansion of this alloy ham a value which is intermediate between the respective vnltiem ot the two materials Due to its high nickel content, dif-l'uBiost of carbon from the forritic- pearlitic into the austenitic steel is prevented. The results of creep-rupture tests for specimens of the dimensions as shown in Fig. 13 (tube diameter 32 x 3 mm) are plotted in Fig. 14. It can be seen that the results roughly correspond to a straight line representing average values for the material 15225. rhe method of heat-treatment of the joints had practically no influence on the results. The fractures always occurred in the transition zone of the base material 15225. Compared with the respective values currently assumed for these materials, the strength under creep conditions of the Card 8/15 z/034/6l/oou/ou3/oo4/oll Microstructural arid Mechanical E073/E335 transient zone of the matei*lal 152&"5 was somewhat lower and that of the material 17481 was somewhat higher. In 3-month corrosion tests the corrosion speed of both base materials was about 0.7 - 1.7 g/m 2day corresponding approximately to 0.03 - 0.09 mm/year In no case was an intensive or local corrosion attack detected in the weld, neither the material "C" nor the material VZC' Oo showed signs of having been attacked by corrosion in a power-itation conc;ensate which was saturated at 20 0C with oxygen and carbon dioxide. Acknowledg- ments are expressed to Duchek (VZC-ZVIL) and PajGrka (V~ZKG), who made the experimental weld joints Engineer Toman and Engineer ged6nko (VZKG) and Tykal (VtJHZ). who carried out the metallographic analyses Baier tv ZKG) and Franc (Viml)' for carrying out the mechanical and creep tests Enaineer AveY-el (SV~OM) for carrying out the corrosion tests and also to Engineer Huber (ViKG) There are 14 figures, 7 tables and 20 referencea, 6 Czech and 14 non-Czech. Card 9/15 Microstructural and Mechanical ASSOCIATIONS VZKG Ostrava (K VZt ZVIL Pilsen VUHZ Prague (F SUB14ITTEDL November 14 196o Z/034/6l/o(,o/oo3/oo4/ol1 L073/E135 Pawera) (V Pilous) PoboFil) Card 10/15 Microstruc turn I and Me :hani c a I Table I Tempera- Reat ture, 0 C Treat- ment 20 No heat- 23.2 treat- ment 20 ~1, 4 500 17 ! 550 16.5 600 15, 5 650 14.5 700 3 -A 13. Yield -)trenwth point kg/mm 2 kg/mm 2 1/o3'i/ol/uo(,/uo3/uu4/ul1 1,073/E335 Elong- Contra- Impact ation ction Strength, (:')d), mkg/cm 2 44 4 21; 25 9 55,C~ 2o 7 34.4 '~'b 28 9 32.4 28 9 3(j.2 28 9 29.6 27 9 _'8 4 2 26 9 Card 11/1; Microstructural aiid Necharilcal L/014/61/OOQ/003/004/011 E073/E335 Table 21 - C Mn S-1- P Specified Ma X 111A XMA X composition (j. lo o. 3o (,, 8o S Cr N I Ti ~e W Mo Al max re-i! max max. ma X. max. 19,0 1, 50 15 - () 5 . ou.8o Composition of high- frequency heat No 479 o ot) () -,l u. 4- ()-OW) U 01--b IdO5 JA 15L!r,~ X),94 2.102.19 0.47 Card 12/1:1: Z/034/61/000/003/004/011 ~Acrostructural and Mechanical ... L073/E335 Fig. 3:. Coefficient of thermal expansion of austenitic electrode material L -.191, the weld alloy VZb 6o and of the base ferrite-pearlite material C~N 15210 in the temperature range IUU to 550 OC- Temperature, 0C versus coefficient of thermal expansion, a X 10-6 mm/mm/0C. Axrrmra~ swvv~ Aw 5~ MV VA) W ---- Aus;enitic weld metal TOO-PM.ITAXY Welding alloy VZO 60 ---PA1UP 152C -A Base ferrite-pearlite JJ Xaterial CSN 15210 eL 43 15 Cnrd 13/15 xurnarNT TrPmNe RaruhmT? a fo-l'ov"./t Z/034/61/000/003/004/011 Vicrostructural and Mechanical ... E073/E335 FIA. 13: Test spec2xien froin the tube of diameter 32 x 5 min f,.~r creep-rupture tests. q4 3 25 -40-- 50 - L _49 L Obr. 13. Zkulebri; vzorek R trubky 0 32X5 inm pro tkaulku teftnj do lomu. CDrd 14/15 Z/034/6l/ouu/uc3/ou4/cll Microstructural and Mechanical ... LU73/E335 Fig. 14: Results of creep-rupture tests of experimental weld joint 2 stress, kg;mlrn vartius time-to-failure, hours. Weld joints from the mntorickla 152-25/vu 6o/17481 and 15225/VZU bo/17483 0 Temperature 575 C- so do - I - jo Card 15/15 PILOUSS, V.; JANDOS, F. I%eldabil.ity of cast steel with 13 percent chrordum content." p. 191. ,3LF,VAFtEN,;TVl .(Ministerstvo tezkeho strojirenstvi a Ceskoslovenska vedecka techrucks. spolecnost pro hutnictvi a slevarenstvi). Praha, Czechoolovakiat Vol. 7, Ito. 5, Flay 1959. Monthly list of East European Accessions (ELAI), LC, Vol. ~, No. I-P August 1959. Uncla. V. Con ~ ri '-, thf, I rDl-rt-ifl .5 ~ f 7 391 an! :~ - '? " 3 11 ~; ,o r-,~ ti r -~ 1, , - c * r - 14,, s .-, . I 1~ . Z*;I,F,A!'I-.. ;,!'"-rdsters#-v, ~.Aroho i , -i r-,.dv,,.ch lard a t*,.- t - : ~, -, i I-rati,51ava, -,7,ec'.')Os'c,vaki,,. ';r)1 - " , r . 7 , J . I v 1 (4 L~'-; . .. I'( . . Mo r t h ly I is t c f 'v'aq t. !~, i r c ;,- - a r. A c- c, i s s i u I 1!~ , , ~ - A I ) " - , V 0 1 . " . 1) " . I ~ ,*,. 1~, ~ . . , /A //_~-o 67013 CZECH/~Ii-`, 10 I AUTHOR: Va'clav P-ilous (,-land Tech S0., Knglnewr) TITLE: 'VMMH~button on the Motal-lurgi-al Weldability of 5% Cr Steols,;Innocullated with Molybd(onum or 'raiigstwi! PERIODICAL: HutnickS Listy. 195,~. Nr 10, pp ~','-696 , t.etj with 0 5% r-,r)' yD-j r, AMTRAC T: "Ronal' steel wirr) C% CT' Jnn(~-_tjj a . Im Is being supplied :r, th#~ 'as --,isrl st.ate and a1sr. shaped by the V1tkr-.-.,.,e ITon W,)rKz; "K Cri-At-orald", for high temperature u:~,,;,, This stkel i~~ buln used for media with outflowing temperatures up to U OC and wail temperatures up t- r)7~ (-" In order t..-) save moly',.dkonuff, and nickel, ZVIL. Pilsen, devQlrped a "% --.hT,-)M'111M steel grade 1555W (GSN 44, f~~00) in wrilcr) u'fe sca-,'o molyDaenum is substituted by Ioubli tne quantity cf tungsten (3). For welding these steels, the Woldtng Researr-.h Institu!.Q In Bratislava Is applying ferTit)(-pQrl1t-'1,, eject-rodes Wlth a composIt-le)n slmliar t.c tnat of the welded material with al)rying elements ir tne r.oatirl.7s The Glactrodo plant of the Ircn WcrKs have it.able el-ii-c-trodes In wtAch Card pToduced for thii purpcse Su I 1/3 the alleying material is locatoki In the (ore of the Gle'7 tTClrlf4 .In thi:, T,ap.7-r thit Wf_1jrjj_ng PTOPeTtieS Of 'JIC, -W) 67013 CZECH/3 4-9~-10-13/25 Contribution on the Metallurgical Weldability of 5% Cr Steals Innoculated with Molybdenum or Tungsten steel are discussed. Thp weldabillty of thPs9 steals was Judged from the hardne,-s characteristic of Jominy rods quenched at the fa,-~9.,~ and from Une location of the perlItic front on the Isothermal diag-ams. The chemical compositions of the materials produced in the experimental heats are giveri In Table 1, p 695, The test results have confirmed that tungsten increases the stability of the austanite in the forritie-perlitic range n steels oontalnlng 5% chromium. 5% Cr W (1555W and 8 N 42 2900) steel in which molybdenum is substituted by double the quantity (,f tungsten (1% W) will have a similar delding behaviour to that of 9% CT MO Steel -,1555 - CSN 17 102), This Wil-, pi,~Ved b~, the results- )f (,.ooling experiments at stopped -,ooling speeds between 450000 and 10 1):: per hour, Jominy end hardening tests and caiculations of the .,-)ollng speeds from Card Isothermal diagrams. By ~:ompaTing the (cooling speeds ;it 2/3 which a 20% austentte decompc-cition taKes Pl'ar:e in the perlitic nose rog,(;r, with spoed-i rea,:he,j in the case of - welding with lire -heat tng t,. 'i t~amperat.ure of 300-4,0U ~C 67013 CZECH/34- -`9-10-13/2;:7 Contribution on the Meta, Iiii g1 ca" Woaldab' I, t Y -f ')'~ Gr Steel 5 ~ Innoculated with Molvbdenum )-. Tung,5tan and In the rase ,-~f wel,",.Ing withnu". Pre-heating (fab.Lii It oan be seen that in nt-- ~-asfo wii! t.ne speeds be so high t 'hat the porlit I. (,f tr~i# S -iirves would bo affected FT nM 4 -t) e pr) i n f v ) 9w ,, f w el d I ng , W h;i , & favourabte offe t rz) hT-1M".11T, S'fsel- sin(e It. r(idu,e,~ the stabillit) cf Itie auf;fenilk4 1r, t~,e Tegion, ef the ba in -I t I ( t r an z "- - ma t ~, r i 1,y Q ~-, , t t I~~ thf~ nuse cf the bainitic. tran.,,.frraja! tor) t,i-j t et t t f,ij s a r e1 e ra t i nr the aus tenj t.6 t i ans f o-,ma ( Fig., '~ ~ ) Even jf ve~-Y thir,k sheets are weldiod, tihe resij1,1irq st-,ucVi-e in the trarislent. zc-,ne cf the welded material wJ11 be batnifi- which is transformed to a s-~)rbltl, structure with a hign notch lmpa~it stTength afteT tOMPeTing. Welding is Card usually followed by t4mpeilng at -,Z0 I-,C arid (ooling in ai:,, 3/3 There are '-~ figtirei,-9 tables and t-. Yefarences, of 3 aTQ C:Z~,.'-I, are English and I is German. ASSOCIATION-. Vj7.k,-)rnny' a iista~i VIL, Pl?,QL kRiosaaT,-~h anrl Tes, ZVIL, P1 reD SUBMITTED: &pill lk~ 11)'~4 - : ~ - T i " . , 77 2 " sc 11, F , qc I rl;, ': I j '. ~; n 3 e : .I r I. 4,d - p I I I - , f, . ; 3 -, 3 1 4. R , - , 1. m 'T )~, , - , I . A - 4 , ;t .. 1. 1, , " , . , . i~ , PlIDUS. z The moss Pseudolas/e;% 5avinrin Lat-el in Slov:ikla. 7. -r, 3IOLOGIA. (31ov-inska akad-mia clei) bt-atis nva CZFCiti-6LkjwAJI,i-A 7ol. 10, Ito. 4. 1955. SaIR 7F: Fast European Ace-ssions List (EEAL) Librarj of Congress, Vol. 5, No. 1, January, L95r BLTTST. C.; FILOUS, Z. Diseases of moseses (Bryophyta) and ferns (Fteridophyta), which are considered or suspected of being of vinis origin. Chekh.biol. 2 no.2:84-92 Lp '53. (MLRA 7:2) 1. Institut biologil ChSAN, fitopstologiya, Praha. (Mosses--Diseases and posts) (ferns--Diseases and posts) (Virus diseases of plants) t rl I- ilcius I,:*, . BIATTNY, C.; PILMS, Z. "Diseases of Mosses (Bryophy-ta) and Ferns (Pteridoph)-ta) which are Considered or Suspected to be of Virus OrlgLi." p. 84. (Chekhoolovatskaia Bio!0911a. W4. 2, no. 2, Apr. 1953. Praha). East European Vol. 3, No.6 501 Month List of A4444WAccessions,/Library of Congress, - j e 14, Uncl. bRANDIS, S.A.; IOSELISON, S.A.; PIL,)VITSKAYA, V,N,, .RA Functional changes in the body at rest and at work during proloni---I inhaLa'ion of gas mIxturtig containing large amounts of oxy;~en. Fiziol. Zhur. 46 no. 7:801-809 JI 160. (MIRA 13z8) 1. From the Central Research LAboratory for the Aining Salvation Work, Stalino, Donbitai. (MQEN-PHYSSIOLOGIGAL EFFECT) (EXSRGISE) KOGAN, D.A., professor; PMOVITSKAU. V.N., sladshiy nauchnyy sotrudnik-, SAYAPINA. L. 1. Antitoxic hepatic function In fracture@ of the long bones as affected by *me physical factors. Ortop., travm. I protes. 17 no.3:6B My-Je 156 (KIRA 9:12) 1. In Usbakokogo nauchno-insledovatel'skogo Institute ortopedil, travuatologil I protezirovenlys (dir. - kandidat maditsinakikh rAmuk A.Sh.Shakiroy) (LIVIR) (IFRACTURIBE.) (PHYSICAL TRXRAPT) S.A.; PILOVIT.3KAXA, V.24. Functional changes in the body 4t rest and during work after breathing for many hours d g*A. mixture containinc a high concentration of oxygen and a small concentration of carbon dioxide. Fiziol. zhur. 48 no.,4:455-463 Ap 162. 15:(: 1. From the Central Resoarch Laboratory for 1,1ining Rescue, Donetz Regional Economic Council, Donetz. (RESPIhATION) (SMESS (PHYSIOLOGY)) (METABOIMM, DISORDERS U) MAWELYAN, M.G.; NADZHARYAN, A.K.; AFOFYAN, Z.A.; PILOYAP, E.G.; WiBARYAIJ, S.G.; BABAYAI,, S.A. Changes of nepheline syenite and minerals constituting it during their treatment by potassium hydroXide solutions. Izv. AN Am.4SR. Khim.nauki JA:/,17-423 ' U. (MIRA 15:1) 1. Inatitut khimii So-niarkhoza Armyanskoy SSR. (Nopheline syenite) PILOYAN 0 G. Minerals genetically associated with the ultrabasic (magnesia- silicate) rocks of the northeastern shores of Lake Sevan. Prom.Arm. 4 no.12:8-13 1) 161. (MIRA 15-2) 1. Nachallnik Sevanskoy geologorELzvedochnoy partii. (lake Sevan Region-Minerals) IfRA? IVZD_ -A 6i Ah (VVidifii",_T tii6iiyu teliacilesk,690 "Miu"=l 2"4. in (At heid 91__-titlel~ -ru titut, dnyM- _mestoroxhdeu4j-7*fi~s~~1;14 #500, NO- A~"i I "ratilre, ited 'alreatV available bl~i U6 4. uthor not: o Y:3ummlr -Va UWAU_ In rm~ibi *qy:soutaii-but "he also Axied to go 'd -.what vert 9 t -interAe-UrbrAhosm who-are'very vit familiar th. the ractice 1 .,ii4idliu -olt Ough, . the, reade4,. Ohoujd~ be Oxt__ avars that-It le,not a:t -tbAt i* ii- *-n# -many, y-'ro'blem - x_rqi;F_iw'_ t id 3~6 the book even though d ii, A~s JO f -_ yi Aportance ii the wicilift, &PY34cation of ~ this method wbile orstical i,~U._ From Uds standpoint one can exwuiza~ *Ieftntawy on tbe:the 0' 0~~emeknt to an ma~idy-ava lae" lWft.':of-Q. -Piloyan an a, highir. usefiA ''lima A64- ~ It, is som*wbat f ~book. overlo with =thewatioal-t but the li -sufficitutIr SIMPI and accesaible for pologists e8 Voll ALEKSANDROVA , .A.; IIOVIKOV, O.V.; PILLYAN, G.A.; GEVORKYAN, Kh.L.; BABYSHFV, I.V. Forsterite refractories from Shorzha dunitea. Opneupory 28 no.11:493-l'.94 '63. (MIRA 16:12) 1. Vsesoyuznyy instA!,ut ogneuporov (for Aleksandrova, NoviK(-V' 2. Sevanskaya goologorqZVpdoehnaya partlya (for Piloyan, Gevorkyan, Babyshev). SUKHBAZYAN, T.O.; PILOYAN, '.A.; (;EVORKYAN 1 4, Kh.O.; RARTIHOSYAN, O.A. fc)rs*-,,-r.*,,:i rerr,i-tory ~7acfr~a_ -Sem,.n!- 'j ,I- ~, , --, 163. ('~ I HA I " : 3 )' 1. Sovot narodn0f,'O Kh(,ZYfty.9lvti Armytinckoy SSR, Stiorzilinskiy t',f-rti- miclivski.: I Yor,,vannKi lwtitut. 1,;,f TN V. -, I ': 'Y!J, , C. - . Arr, , ve, 5a-Y " ~ v ~r g ' n I Y ---r. e r ,,i - g ; rir i Y, T - . '- - I ~ ~- I 6A^ L a , - ~. f e :- by) o. ()r , , - " . - I . 11 $a, I h - , .. I- " '~ --o g a phy .% . 'TI :,,.,,3R I t ~ ar. d , ~ -.I ~ ,- Ser. geL.. . f M. t RA 19 e - ) XEDVEDEEVA, I . Ye. ; I FTROV , V. P. ; KAWNOVA, Ye. S. ; MARFUN II. , A. S. ; TSV-E7KCV, A.I.; I AN, G. 0. ; MAKFIft; D; , A.S., j oe tor _L_ _ geoi.-miner.nauk, otv. rwd.; ZAYHk-LV, Ye.Ye.' Prof., glav. rect. [Achievement: of clerice: Geocfiorrd!~try, rrdneralo~7~, petro- Kraphy, IY63-19641 Itogi nauki: geokhiridlii, nlneracwiia, petrograflia, 100-1Q64. ~'osk-w.~, Akad. nauk 1r:-I nauchn(.i inforrmits-li, ~35 ~- (XI"'A 1'lt"~ PILOYAN, G. 0.; TS"ETKC'V, A. I.; UP:", V. 7.; VALYA"EIK"T"A, Ye. P. I *On solid-p~iase internction between carbonates ,nd claN -An-rals during thermal antlysi.s." Report subnitted fcr the International Clay Conference, StoCk~.r,j.-, Sweden, 12-16 Aug 63. PIWYAN . G. 0. Using DTA for the quantitative determination of some minerals in natural and artificial mixtures. Izv. AN SSSR. Ser.geol. 28 no.btZ4-4,2 Je 163. (MIRA 1b:8) 1. Institut gonlogil rudny1rh mostoroVidenly petrografii, mineralogii I geokhimii AN SSSR, Moskva. (Mineraln&y, Determinative) TSVETKOV, A.I.; PILOYAN, G.O. Third All-Union Conference on Thermography. Izv.AN SSSR.Ser. geol. 28 no.21ll8-119 F 163. (MMA l6t2) (ThermDmetry)