SCIENTIFIC ABSTRACT RABKIN, D. M. - RABKIN, I. K.

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December 31, 1967
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SCIENTIFIC ABSTRACT
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SOV/1-5-lr -L-5/14 The Microstructure of the Metal of a Joint when Welding Aluminum further cooling forms little dispersed insertions of intermetallic,joirts and of individual elements which form independent phases of FeAl ) Si and triple joints. During the rapid cooling characteristics of the forma- tion of a real ingot, apart from a.stable solution of aluminum, depending on the proportions of admixture and on cooling rates, the following phases may be, found in the metal structure: FeAi~5' Si, CV (Fe - Si - Al) and id (Fe - Si - Al). Spectral'analysis,data showed that ad- mixtures are fairly evenly distributed along.the axis of the joint and across its section. Deviations in in- dividual values did not.exceed 1 10%. The microstructure of joints containing 0.3 -'.0.38% Fe in the complete ab- sence of silicon, and with a low concentration of it is illustrated. The small dispersal of'deposits of FeA13 is clearly visible. They are evenly distributed along, the whole surface of-the edges. With a 0.11% Silicon , content individual.insertions appear of a new and finer phase which apparently containssilicon. As the silicon Card 2/3 content increases a triple combination,(X(Fe Si Al), SO V/12 5-l' 15/14 The Microstructure of the Metal of a Joint when Welding Aluminum can be distinguished. The conclusion drawn by the article is that metallographic research into jointsof aluminum with a varying iron and silicon content estab- lishes the 1~resence of the following phases in thf, struc- ture: FeA13, a triple combination probably of the aL(Fe - , Si - Al) type, and silicon.. There are 4 graphs, 1 table, 5 illustrations and 7 references, 4 of which are Soviet, Z English and 1 Perman. ASSOCIATION: Ordena trudovogo krasnogo znameni institut elektrosvarki imeni Ye.O.PatonaANIUSSR (Order of the Red Banner of Labor Institute of Electric Welding imcni Ye.O.Paton~of the AS UkrSSR) SUBMITTED: November 424, 1958 Card 3/3 PHASE I BOOK EXPLOITATION 30V/5078 Akadealys nauk URSR; Kiyev. Instytut elektrozvaryuvannya Tnedrenile novykh spoaobow ovarki v promyshlenno3t'; abornik statey. I-- . (Introduction of Xav Welding Methods In Industry; Col- lectIon of Articles. v. 3) rAyev. Gas. L=d-vo tekhn. lit-ry %1rSSR. 1960. 207 Y. 5,000 capi*s printed. sponsoring Agency: Ordena Trudovago Krasnogo Znamenl, In3tItul alektrosvarkl Imeni akademilea To. 0. Paton. ."do.. nuic Ukrainskoy SSR. Rd. : M. Plearenka; Tech. Ed. : S. Xatusevich. PURPOSE: This collection of articles Is intended for personnel lm the welding Industry. CCVZRAQ3: Thk articles deal with the combined peri.ric.. of the Inot1tut alektroavarki Imeni Te. 0. Paton& lectrIc Welding (g rAst1tute imeni To. 0. Paton) and several Industrial enterprises In solving aC1*nt1fIC and engineering problems In welding technology. Problems in the application of new methods of So-. C"niged welding and electroslag welding in Industry are discussed. Thla is the third collection or articles published under the same title. The Foreword was written by B. Ye.. Paton. Academician of the Academy of Sciences Ukrainian SSR and Lenin prize winner. TWre are no references. TAB12 OV'COWIWM s L Candidate or Tech % _1 nical nceel, 1AjhXj1!gb,_R. 1, del rit , L. Mandell rg IC&ndidat* o~ Technical Sciences, RISC stitute Izeni Ye. 0. Patonl, juLkli-tCand1date of Technical Sciences, insk 7 giiuchno-Is3ledavatellskly trubnTy Institut (UkTainian scientific Roses-rch institute for the Pipe Industry)), and_&-A--&Jkke JChlef Engineer, Chelya- b1nakly truboprokatnyy zavod- (Chelyabinsk Pipe Kill) I. Now process for Producing Large-Diameter Straight-Weld Pipes for Oil and Gas Lines 140 Zj2nkQj._M._Lj3ngLneerJ, 0. M. Rabkln tCandidate of tochn1cal Scienceel, I le n neer, Electric - ' _~% ic Welding Institute Imeh _ ift ..7. IV. A. Verchenko l anglmser of the Trust 'i;;d.;ntazh' (Trust for Installs- t1on of Food Industry Entabliahzents)j. and i T Ir orod- ' o EgZjformorly Chief Engineer of the "Sol Ishvik, ~ Hn nFo! giverlence In the Successful Welding of Aluminum and Its 4210711 154 o. rEngineerl P__.p__.jQl22_'=11_JEng1neerJ, ankc W L g neer, Electric Welding imeni To ft_~ 0 . . Qnj' I- =AID2 _jCh1*f bapl Me e e, selgo rOdBkIY t3ementnyy z vad (Belgorod Cement plant)), M. P_ T-47ey fchl,r or t he Welding Engineering Kmanoyarskiy zavW 'SIbty&zhmash" (Xftanoysrsic b" . Ty no ; a ch1nery PI"t)), and Y~X_KUjyarov Si D_ of Process Engineer 37zran3kly zavod wliiihaashl Fs. STY MAMehInery Plant$l. Electroalag Welding of taro ?Yps~35L Stswi wie-RLngo for Cement Kilns I I IT6 bad (Candidate Or Technical Sciences Electric A , I. tilute ImenI Ye. 0. Paton), - [T t U rea ralstal konstruktalya (Ural Fabricated-Steel t I ) &nd S. Tu. Rabiriovich (T rest Dneprostal-- =t , , ,t slymonepr FabrIcated-Stool Trust)j. Experience In the Mechanization Of Welding 1OPerstional In the Erne- t1on or NIStallic Structures for aBlast-purnsce plant 194 ----------- OIL! F- .5 'FA i g A 6Z F E F F- Ir TF- V- If -0.0 1 gg -2 ER 26o43 3/137/61/000/007/058/072 A06OIA101 AUTHOR: Rabkin, D, M TITLE: Welding of nonferrous metals and light alloys PERIODICAL- Referativnyy zhurnal, Metallurgiya, no. 7, iq6i,45, abstract 7E316 (In the collection: "1-ya Sibirsk. konferentsiya po avarke, 1959". Barnaul, 1959 (1960), 123-137) TEXT- The problems relating to welding Al. Ti, Cu and their alloys are considered. In the produition of various kinds of Al vessels of thickness 10 20 mm and capacity 2 - 100 m au-14-omatic shielded-are submerLed-melt welding is widely applied. A new universal 'tractor-type automaton 'rc -33 (TS-33) for welding Al and its alloys designed at the institute of Electric Welding is de- scribed. The automaton ensures the welding of metal oil thickness 3 40 mm by shielded are in a jet of protective gases. -The welding of Al - MA alloys is considered, examples of Industrial application of forms of welding based on the use of fluxes are given. For TI good results are obtained by the use of auto- matic submerged-me!t. welding. At the Institute of Electric Welding oxygen-free fluxes have'been developed on the base of halide compounds of a metal for welding Card 1/2 26043 S/137/61/000/007/058/072 Welding of nonferrous metals and light alloys A060/AlOl titanium. Flux Is used for welding metal with thickness 2 3 mm. For joining metals with-lower thickness, argon arc welding with, tungsten electrodes Is more maneuvrable. For welding Cu and its alloys various techniques of welding are worked out depending on the dimensions of the parts, the type of alloy, etc. V. Tarisova [Abstracter's notei Complete transla:tion-I Card 2/2 18(7) SOV/125-60-1-10/18 AUTHOR: .,Rabkin, D,.M. Yagupollskaya, L.N., Pokhodenko V.Deq , --N Langer .A. , ,TITLE On the Problems:of Accelerated Corrosion Tests of Welded Aluminum Joints in Nitric Acid PERIODICAL: Av-tomaticheskaya svarka, 1960, Nr 1.~pp 74-78 (USSR) ABSTRACT: In their previous work jef 17 the authors showed that 50% nitric acid can be used for the accelerated testing of aluminum welds for corrosion resistance. Boiling for two hours in such an acid concentration ensures better results tha.n'tests with concentrated nitric acid. The optimum sizes oftest samples are determined and the accelerated test method is explained. The size of the samples can considerably influence the results of the tests. Table 1 and graphs 1 and 2 show test results de- pending on the size of samples. The latter were tested for two hours in boiling 50% nitric acid. Figure 3 shows 3amples of different length after the tests. Card 1/3 As the ratio of the area of the basic metal in the SOV/125-60-1-10/18 On the Problems of Accelerated Corrosion Tests of Welded Alumin- um Joints in Nitric Acid sample increases in relation to that of the weldt the mean rate of corrosive destruction gradually drops. To determine the influence of the size of the butt end sur- faces on corrosion of the welded joint, different thick- nesses of the latter were tested. The results of these tests are given in table 2. Experiments were made by putting samples straight into boiling acid, and by putt- ing them into cold acid and then bringing it up to the boiling point. The average rate of corrosive destruction depending on these two conditions is shown in table 3. On the basis of investigations, the results of which are described in the previous work /Ref 9 and in this ar- ticle, and after consideration 6f the results of tests conducted at plantsan industrial test method was de- veloped. It includes instructions for the preparation of samples, the tests themselves and the methods of evalua- Card 2/3 ting results. The method has been tried at a number of SOV/125-60-1-10/18 On the Problems of Accelerated CorrosiQn Tests of Welded Alumin- um Joints in Ntric Acid plants where it received approval. It can be used for testing the welded parts'of chemical equinment for corrosion by nitric acid. The authors thank enE~ieer Ivleva (Penzkhimmash), S.V. Shimanskaya, V.G. uau-L6skiy (zavod "Krasnyy Oktyabr9l') ("Krasnyy Oktyabr" Plant) and Kuramzhin (Uralkhimmash) for their aid in developing the method. There are 1 diagram, 2 graphs, 1 photograph, 3 tables, and 2 Sovi,et references. ASS09IATION Ordena Trudovogo Krasnogo Znameni Institut elektrosvarki im Ye.O. Patona AN USSR (Order of the Red Banner of Labor Institute of Electric Welding imeni Ye.O. Paton ~AS,UkrSSR). SUBMITTED: 1 July 1959 Card 3/3 '1~11b; Dr 1 -13 Fl,%4&nml 5'41"k"n;wft.,-Ik-.%,Ygtl~~~~!rl~p.~ttn Ult 911111-,Mr.M~~ -, IWKINY 1). M. 27035 S/125/61/000/004/010/013 A161/A127 AlrTHORS Rabkin, D. M., Steblovskly, B. A. Welding AMg6 alloy with consumable electrodes in argon with chlorine addition PERIODICAL: Avtomaticheskaya svarka, no. 4, 1964 78 -~62 TEXT:, Exr)eriments have been conducted to find simple chlorine addition tech- -niques and determine the effect of the chlorine content in argon on the welding process and Al-Mg weld metal properties. Reference is made to the publication sug- geEting a chlorineaddition [Ref. 2s M. B. Kasen and A. R. Pfluger, Chlorine Addi- tions for High-Quality Inert Gas Metal-Are Welding of Aluml Alloys, "Welding Jajr,mlff, 269-S, 276-3, 1958]. The composition of the Af1r6 (AMg6) alloy used in the tests is: M 7.0 Mg, 0.57 Mn, 0.1 Fe, 0.37 Si, 0.11 Ti. Welding was carried out using 2 mm AMg6 wire, and first-composition argon according to the BTY NOY-2 (VTU NOU-2) specification with chlorine of the brand employed for water chlorina- tion. (99.5% C12). The mixing arrangement is shown in a diagram. Chlorine was fed into the mixer at I L. 5 atm pressure through a cast iron throttle valve lined with fluor-oplastic. The welding nozzle is illustrated. The process was conducted at Card 1/2 27035 S/125/61/000/004/010/013 Welding AKg6 alloy with consumable electrodes in... A161/A127 550 m1fir wire feed, 20b8 m/hr welding speed, 35 volt arc, with 400 amp d.c.*with inverse polarity. The chlorine additions were not varied. The positive effect of chlorine was seen already at 1% ofit in argon, but the maximum effect was reached at higher contents, between 2 and 3%. Pores disappeared completely from weld metal. and the mechanical properties slightly improved. The toxicity of chlorine has to be considered, its maximum permissible content in the surrounding air is 0.001 g/m3. TbLe cancLasion is drawn that the optimum chlorine content in argon is I - 2%, and welding should be conducted in the open air, or exhaust ventilation must be provid- ed. There are.4 figures, 2 tables and 3 references: 2 Soviet~-bloc and 1 non-Sovieb- bloc. The reference to the English-language publication reads,as follows: Me Be Kasen and A. Re Pflugeri Chlorine Additions for High-Quality Inert Gas-Metal Weld-, ing of Alum__wLi Alloys, "Welding Journal", 269-S, 276-S, 1958. A55CCIAT::ON: Ordena Trudovogo Krasnogo Znameni institut elektrosvarki im. Ye. 0. Patona AN USSR ("Order of the Red Banner of Labor" Elestric Welding Institute im. Ye. 0. Paton AS UkrSSR) Sli-ACE'Ll"Kh September 22, 1960 Cari 2,12 27031 VI-) 0 S/125/61/000/002/003/013 A161/A133 D' M. (?A 0 K/A/ ATMORS: Vabkin,'D. M., Yagupol'skaya, L. N., Nikitina, A. Grabin. V. F. TI12LE: Effect of heat treatment on the corrosion resistance of AMg6 alloy and its welds PERIODICAL:. Avtomaticheskaya svarka, no. 2, 1961, 4o-47 TEXT: The AHr,6 (AMg6Yalloyjs an extensively used alloy that -is. corrosiork- proof in Air but not so in sea water. It is used in shipbuilding, apart from many other applications. It has been known for a long time that Al-Mg alloys with above 5% Mg are prone to sea water corrosion after hardening and aging, and the AMg6 can contain as much as 6.5% Mg ' The described tests were carried out because of contradictory data in literature on the effect of heat;treatment on such alloy grades. Two studied AMg heats had the following composition: 1) (%) 6.2 Mg, .0.70 Mn, 0.25 Fe, 0.25 Si, 0.14 Ti; 2) 6.5 Mg, 0.59 Mn, 0.05 Fe, 0.06 Si, 0.10 Ti. The welds were produced with an automatic argon arc process, with tungsten electrodes and filler wire of AMg6. The corrosion test solution was water with 3% NAM + 1% HC1; tests were carried out at 20 0C, for 24 and 48 hours, and the test techniques corresponding to those described by P. Brenner and W. Roth Card 1/3 27031 S/125/61/OOCL/002/003/013 Effect of heat treatment on the corrosion ... A160133 [Aef. 12: Recent developments in corrosion-resistant Al-Mg alloys. J, Institute of Metals, 74, 159) 1947). Theoresults show that Ithe corrosion rate rose abrnlpt- ly after annealing at 125 - 225 C, then dropped. increased slightly in the 300 0 400 C range and decreased again at 5000C. The article includes photomicrographs made with an electron microscope. -It0was evident that metal subjected to the effect of high temperature (above 500 C) did not corrode, and that a second phase of peculiar appearance segregated on the grain boundaries in a continuous grid. Judging by the data of other investigations it was the A' phase that is instable and is converted into the equilibrium ~-phase at higher temperatures. The 01 phase has a higher negativepotential than the solid Mg solution in Al and the usual A and besides the solid solution loses Mg at its formation. The considez- able p6tential difference in an electrolyte causes rapid decomposition of the boundary grid and a separation of whole grains from the metal. Apart from this, ,the behavior of metal appears to depend somehow on the state of the grain bound- aries themselves, as this was noticed by P. Erdmann-Jesnitzer [Ref. 15: Inter- krietalline Korrosion und Korngrenzenaufbau, "Werkstoffe und Korrosion", 9 N., 1, 7, 19581. It is concluded that the alloy tends to intercrystalline.corrosion 0 ,after 10-hours at 125-225 C, and.long heating in this range must be avoided. There are 5 figures, 2 tables and 15 references: 12 Soviet-bloc and 3 non- Card 2/3 27031 S/125/.61/000/002/OOV.0-13 Effect of heat treatment on the corrIosion ... A1601331 Soviet bloc. Two references-to English-language publications read as follaos: F. M. Reinhart, 0. A. Ellinger, Corrosion resistance of aluminum alloys, Light Metal Age, 14, N. 5-6, 16, 1956;~ P. Bremer, W. Roth, Recent developments in corrosion-resistant Al-Mg alloys. J. Institute,of Metals, 711,,P. 159, 1947. ASSOCIA11ION: Ordena Trudovogo Krasnogo Znamenl Institut elektrosvarki im. Ye. 0. Patona AN USSR (Electric Welding Institute "Order of the Red Banner of Labor" AS UkrSSR) SUBMrMED: June 15, 1960 Card 3/3 26787 S/125,/61/000/005/004/016 2 A161/A127 'AUTHOR: Rabkin, D. N. TrWs On fluxes for autonatio.welding of aluminum PERIODICALt Avtomaticheskaya svarka,lf;. 5, 1961, 37 42 TWs The article presents results of an experimental investigation of the AH-Al (AN-Al).flui that in being used very extensively since automatic welding of aluminum came into use [Ref. 1:-D. N. Rabk1n, A now method of automatic welding of aluminum, 'A-itoA. svarka", no. 4, 19531. Its constituents are MC1, NaCl, and Na3AlP6, usually taken at a ratio of 50 t 20 1 30 (weight units). Other ratios and more complex compositions had also been suggeated.- In the described experiments, fluxes were tested with a wide variety of ratios of the three constituents. All fluxes were fused to eliminate water. AC4 (AD1) aluminum plates 6 mm thick were welded with AD1 wire 1.3 mm in dianetar, with.170*15 amp, 30*2 v, and 23.5 4~hr welding speed. Flux was heaped 7 am high Into a trapezoid over the joint. The ef- feet of chlorine was tested by blowing argon with chlorine about the welding are, and by spilling aluminum chloride in front of the are. It was evident that chlorine itself is not an antistabilizer of the welding are in the d-c process, but Card 1/3 26787 S/125/61/000/005/004/016 On fluxes for automatic welding ofiluminum A161/A127 the liquefied chlorides take much electric energy for evaporation, andtle result is insufficient heat left on the cathode for fusing the base metal. The effect of oryolite seems to be connected with the formation of aluminum chloride displacing the liquid chlorides from the metal surface, and it in possible that an additional quantity of heat liberates on the cathode (i.e. base metal) during the foruation. of negative C1 ions. Optimum weld shapes were obtained using fluxes with about 30% cryolite at comparatively wide variations of NaCl (10 - 40%) and X01 (30 - 60%) ratios. Highest strength and bend angle had specimns welded with fluxes contain-, ing 30f cryolite and various quantities of KC1 and NAC1 60% NaCl). The prob- lem of the separation of the slag crust will have to be further studied. The cor- rosion resistance of welds was tested by 2 hours boiling in 50-% nitric acid. A high corrosion resistance was stated. The M-Al flux proved good. It is recom- mendedto keep the NaCl content at the lowest possible lev&1 in view of the magne- sium chloride present in NaCl and having the capacity to attract humidity. Even Ist class standard NaCl as to GOST 153-57 may contain up +#o ~J% owl 0 The con- 2 elusion is drawn that the beat fluxes are containing 20 - 40% NaCl, 36% N!3AlF6 (KC1 the remainder). It is evident that not only slag but also the shielding gas forming in the welding process protect the welding pool, and that chlorine is not Card 2/3 26787 S/125/61/000/005/004/016 On fluxes for automatic welding of aluminum 4160127 a direct arc unstabilizer In d.c. welding with Inverse polarity. The article In- cludes graphs and a photograph of test welds. There am 6 figures,and 9 referen- ces: 8 Soviet-bloc and I non-Soviet-bloo. The reference to the EMlish-language publication reade as follows: A. Schlrer, Arc Welding of Aluminium and its Alloys, ought metals", July, 1W. ASSOCIATIONt Ordina Trudovogo Krasnogo Znameni InBtItut elaktronvarki IN,. Ye. 0. Patona-AN USSR ("Order of-the Red ftm*r.of Labor* Electric Welding Institute in. Ye. 0. Paton AS UkrSSR) SUDCMM: March 3, 1960 Card .3/3 L 3.1881-63 Technology of Electric Fusl6n (Cont.), (6W Sovi COVERAGE: The book reviews the,basic principles 16f.the technology of elec- tric fusion welding of.various metals"and their allo Is. - Classification. of welding processes and comparative characteristics of mechanized and manual welding mkhdds are presented., Weldability problems and causes of defects In welded joints are .discussed, Information on materials, equip and, ment, and conditions of welding and. surfacing of various zrietals, al,63~16 structures,is given. Brief information on the use of heat sources employed , in special types of welding and on sEifety precautibnB is also given. The:., Introduction, ChapterJ (except.the part headed "Are W elding" in s e- -c t ion 1), Chapter Il (except the T a't- t headed "Cold Cracks" in s e - c t ion 5, the part on methods, of determining resistance to.brittlenes.s in s e c t I o!n a -,68 7'...8,.9, ]1,. a h d-14)~ d r 6 t h e w o r. k of .'S~ -A.' Ostrovskaya, 'Candidate of Technical Sciences. The part entitled "Wild- Ing Are" in paragraph I' .was written by Ostrovskaya in coop .eration w it h D. M. Rabkin. Candidate of Technical, Sciences.. A. M. - Makara Candi- care or TeZ Tcal. Sciences, wrote the p a r t s enFitled "Cold Craclels" in Card 2/,M- h0138 -/078/62/007/007/007/013 B117/B101 it U T F I Bukhalova, G. A., Xaslernikova, G. N., Rabkin, D. M. T I T E: Ternary reciprocal system of chlorides und hexaf luoroaluminatce of sodium and pot-asnium PERIODICt'JL: Zhurnal neorganicheskoy khimii,.v. 7,-no. 7, 1962, 1*640 -1643 1 3- T-'~T Components of the system Na+, K+11.Cl Alf are used in~the 6 production i--,f fluxes for weldin..- aluminum.and its alloys, This binary sy~:t--:j 'Itudied poljthermally with the following results: Na Cl Na'Al F 0 3 1 3- j 6 has a autectic at 733 C and 27~ Na AlF K Cl K AlF has a eutectic 5 6' 3 3 - 3 . 6 0 at 717 C i~nd 22~, K,A1F I'a AlF K AIF forms continuous solid s6lutions 6' 3 1 6 - 3 6 -eith ;t eutectic at 927'C nd 301~ K AlF Studies of 12 internal and 2, 6' diaconal t;f~ctions, of tile system showed the crystallization surface to consist-of continuous solid solutions both of sodium and potassium hexa- fluoroaluminates and of,sodium and potassium chlorides. The two regions 0 are separated by a curve with a minimum at 631 C and 10-51 Na AlF .3 6, 50X ~Card, 1/2 :3/078/621'007/007/007/01'/ n, ernary ri~ciprocal syiteci of...' B1 17/B-1 01 K c1 and Na Cl The low. heat effect of the exchange reaction 3 3 (0-135 an,,, 0.045 kcal/e(ju) proV03 the existence of a complete, reciprocal exchanj,e in melts. Hence it follu%s'that potassium cryolite in moll. 'en state is iilso contained in a flux pi-oduced from sodium and potassium chloridet; with sodium cryolite alone. The studieu showed potassium cryolit-- to be very effective for telding Al and its alloys.. The system examined has practical and scientific importance especially,in the chemistry of aluminum salts in melts. 'There are 3,figures. AS6GCIATION: Rostovskiy-na-Donu inzhenorno-stroitellnyy institut (Rostov-na-Donu Construction Engineering Institute). Institut elektrosvarki im. Ye. 0. Patona Akademii nauk.USSR (Electric Welding Institute imeni Ye. 0. Paton of the Academy of Sciences UkrSSR) SUBI"ITT-I'D: July 7t 1961 Card 21/2 38894 5/125/62/000/007/001/012. D040/D113 '113 Aabk AUT51 in,_D_.M,_-and Ryabov, V. R TIT7 Flash carbon steel to Al-M-Ega alloys Af - 111,,.1101) ICA.L. Avtowatichoskaya svarka, no. 7, 1962, 1-7 "'T: -AM _~~ jo"hlu; %"ith Lip 1.0 20 K 2 ultimate strength werc obutined by argon arc W iIAlldinL~ 67.3 (6t.3) carbon steel to specimens of AML~Ovmts), A Mr3 (tUM,,,3),AMr5B flu (~u,!.51l), anO AMr Gl (M-1~61) alloys and pure alundnwa, using various interlayers. 'i, Cd, 11b, Sn, Zn, Arr,,brass, Mo., and Zn-Id interlayers, obtained by electro- Cu N pli~tin- or dipping, were-tried., The best type of interlayer proved to be a coi:i- na The coppe'r coating process in bin tion of 6pthick copper and 40/.U, thick zinc a pyrophospLate -bath' 'followed by zinc electroplating is described in detail. Uleld- in m JTE" 'or th a standard s c iducted 'wi YAAP-300 1 (MILI-300-1) welder, 80-120 amp cur- rent., and 6-81/zidn ar,-On flow. Satisfactory joints were also obtained by deposit- ing a 2Cj/1,L t1hick brass interlayer with subsequent zincification. Xx~g 3 alloy and St.3 tubcs, with 6 and 5 nn wall thicImesms rrspectively, were welded using the' described tec~mloucs, and thz welds were sound. Conclusions: (1) The obtained .Card 1/2 S/125/6"/000/007/001/012 D040/D113 Flash weldin- carbon ........ dL,t;_, confirmed existin- research data, proving that welded between steel 10 JC~/r"ijjoints rength (about equal to the strength and z.1ur.-drur;,. can have v. sufficient st of the ~_limminur.,., when the steel is preliminarily coatcd with tinc; (2) the use of co.-.ibin ed coatin-as (copper + zinc) or, steel, AMts filler wire, and prODer weld- n2 ulti_ in- tcchniques results in the obtaining of welded joints with 15-;20 K.-fi mate stren-ath. There are 8 figures'and 1 table. ASSOMMON: Ordena Trudovogo Krasno-O Znameni Institut elektrosvarki :Lm.,- YC.O. Patona AN USSIR (Electric Welding Institute "Order.of the Red, Banner of Labor" im Ye.O. Paton, AS UkrSSR) ~;UBMTT.Z: December 30, 1961. 8/125/62/000/009/004/008 A006/A101 AUTHORS: Rabk1n, D. M., Nikitina, A. V. TITLE: The structure of an aluminum'seam PM-MODICAL: Avtomaticheskaya svarka, no. 9, 1962, 56 56 TFYT: The authors studied the~effect of the welding speed, the thickness of the base metal and the temperature of preheating the base metal, upon the structure of "A00" aluminum seams with a relatively low'content of impurit:.es (0.08% Fe, 0.07% Si, 0.005% Cu). The welding speed varied from 13-9 to 42 m/hour; the welded plates were 6 - 25 mm thick and the preheating tempe rature was 1.00, 200, 300 and 4000C. To study the effect of the basic metal~grains upon the na- .ture of crystallite growth near the~fusion line, plates with different grain size were produced by annealing and deformation. It was found that the microstructure of aluminum welds is characterized by a columnar orientation of crystallites.- directly near the fusion line the crystallites of the weld are the prolongation of fused metal.grains. The crystallite size increases with coarsbr weld metal grains. ' Deyond the-fusion line, the crystallite size does practically not depend Card 112 S/125/62/000/009/001008 The strucLurv of tin aluminum seam A0O6/A101 upon the base-metal grain size and is determined by the welding conditions. Along the line of heat emanation a stricter orientation of the crystallites is observed. With higher welding speed the cross sectional size of the crystal- lites decreases. Under constant conditions the crystallite size increases with higher initial temperature of the metal to be welded; this is connected with the dropping of the temperature gradient. The same phenomenon is*observed at a greater thiclmess of sheets welded in a single.pass. Under all the welding conditions the crystallite size increases from the periphery to the center. There are 6 figures and 3 tables. ASSOCIATION: Ordena Trudovogo Krasnogo Znameni Institut elektrosvarki imeni Ye. 0. Patona AN USSR (Order of the Red,Banner of.Labor Institute of Electric Welding imeni Ye.0. Paton, AS,UkrSSR) SUEVITT M: October 13, 1961 Card 2/2 PAIWIN) D. M. (Cand. TL~ch. Sci.) (E. 0. Paton Inst. of Electrovelding) ""The principal means of creation of joinings of metals with limited mutual solubility and forming intermetallic compounds." the quest for intermediate phases.of pure metal or their alloys, application .of bimetallic phases, preliminarily attained by rolling one of the welded metals of the intermediate phases and other means. The long-term prospects fordiffusion, cold. cathode-ray welding, welding of ruptures and other means were discussed. Report presented at the lst All-Union Conference on welding of heterogeneous metals, at the Inst of Electric Weldingim. Ye. 0. Paton, 14-15 June 1963. (Reported in Avtomaticheskaya svarkaj Kiev, No. 9, Sept 1963, pp,95-96 author, V. R. Ryabov) JPRS 241,651 19 May 64 A=SIOU'M$ AT5008311 "wratka"In i6ais-LaraC6 ii the p1loper silectlaq, of the'~43;~Lc kt. cm cial'i '04, the -vaw-k "' -'&*uctd 40 te~ be" 4~ UR UVP I;k ralatWely'la4i, Cappaic and Alu~daUC6 (d44. '.6j.644ir fac With a IwAicuit bidiikarai' -Aluminum AIGU4 Ca -OxIdag air* '?!Qor nauct0im" Altioifttcm p&ab 'du 17 *Ikta. method is,uot often'used sixii% 41 ACCESSION NR: AP4029Z51 W anhydride or into the W powder. It was found that W electrodes with oxides of Er, Dy, and Sm, in their processing characteristics, are inferior to thoriated-W electrodes but superior to pure-W electrodes. The electrodes with 1-Zlo of La.0-3 were found to have the best technological characteristics; they are similar to thoriated-W electrodes and, are characterized by the lowest consumption and highest current density. The welding current was 250 amp, at 65 v, with a 3-mm arc. Orig. art. har.- 4 figures and I table. ASSOCIATION: Institut clektroavarki im. Ye. 0. Patona AN UkrSSR (Institute of Electric Welding, AN UkrSSR); Moskovskiy elektrolampovy*y zavod (Moscow Electric-Bulb Flant) SUBMITTED: lZDec6Z DATE ACQ: 27Apr64 ENCL: 00 SUB CODE: W Aft NO REF SOV: OOS OTHER: 002 Card Z/Z Card i1/2 7r~ recorranetil Jcau C r w ASSOCIATION: katitut elektrasy' A'Ad fmw2~-y4le~;.O#-.Pato'na--AK UkrSSR Akatitute--U Electrid Welding, AN .* SUBhUTTED 24M;ir6'4"- SUB CODE: 'NO REF SOV.# 00 c ard 2 . M- L 3500-66. M IlotjP(v)/T /EWP(t)/EWP( k)/EgF(b)/DTA(d "MIHM. WCCESSIO NR- AP5023083 UR/0125/65/000/009j0042/0046 621.791:546(621+56) 7_- AUTHOR: Rabkin, D. M., N.M (Doctor of tochni.cal sciences); Voropays sineer) TITLE: Reldin of aluminum V'ith copper f Y, 5' 1Tb SOURCE: Avtomaticheskaya ovarka, no. 9,.1 659 42-146 TOPIC TAGS: velding technology, silver soldex, aluminum, copper, metal physical-i property,.electric condu-ption ABSTRACT: A literature'-surve~-of.siethods* qf'-obtiiniv&permanent Al-cu jointa epsure ..an4i.: fusion welding- I -js 644: T ;,~ftexsuie ~iO4i -thA ~uoit I 1M. P soars-can, 0 0 U -aWlciblefo E thin w'e'l' or d,~ BE WNW a =w. 7- M: 7 3500-Z6-,~ L !,ACCESSION NR: AP502300: ments. The production of bimetal Al-Cu sheets laddins is based on cold welding~. Lwith simultaneous reduction in area by rolling. The welding of compact and hol- low cylinders of Al with 'cylinders of Cu can be.accomplished by friction welding* Other methods employed are: resistance spat'welding, resistance butt welding, ipercussion welding, argon-arc welding, thermit welding. The physical properties~ and electric conduction of the Cu-Al compounds welded by the methods described above are, however, relatively low, .owing to the presence of brittle intermetallic phases in the weld joint. This may be remedied to a large extent by depositing silver solder on the surface of copper prior to"the welding. But the scarcity of. silver limits the applicability-of this technique. The whole survey shows that at present there exists' no method that meets..practical requirements. Hence, the development of new methods of pressure-and fusion welding of aluminum with copper i~remains an urgent problem. Orig.- art. has* 41igures,:l table* fm. Ye.O. Patona AN U=SSP. (Electric Welding Ina ASSOCIATION: Inscitutii eledir_~s_ y=azki itute, AN UkrSSR) 23Xar65 ENCL:. 00 SUB CODE: IE, MK I SUBMITTED: NO REF SOV: 018 OTHER: 031 inin~`,bf di6iiinilar r~et~ L 3o85-66 DJT(m)/EWA(d)/EW(t)/EW(z)/W~~~ ACCESSION KR: AP5o2l986-: UR/0286/65/ooo/oWooft/0061 621.791.856.3 Yumatova, V. I.; Doroshenko ~AUTHOR: Rabkin, P. M.; Rydbov,-V. R.; M. T. TITLE: Method of automatic argon-shielded arc welding of high-strength aluminllm~ alloys.' Class 21,. No.' 17293i SOURCE: Byulleten' izobreteniy i tovarokh znakov, no. 14, i965, 61 4, ITOPIC TAGS: aluminum alloy, magnesium containing alloy, high strength alloy. all oy welding, are welding, shielded arc welding, automatic welding/AMg6 aluminum alloy `7j< ABSTRACT: ThisAuth~6r--Certifibat6rintroduces a method of automatic argo'-shielded n arc welding of high-strength~aluminum.allbys-ofllthe AMg6 t rhe steel, ype to steel, ed .-.part is aluminized before welding~. According to this method-, the are path is shift to the aluminum side and.the,filler wire dificatio path to.the steel side.,,In a mo of the method, the edges of..the' steel'part are leveled on both sides at an angle of: 70-75 deg without leaving a root, face, ASSOCIATION: InstAA.-:elekt'rosvarki im.-le. O.~PatonwAN'UkrSSR Institute,,Aft UkrSSR)'~ J." Card 1 So L 3085 ACCESSION NRt AP5021986 ' SUBMITTED! 2hApr64 :ENCLf 00 SUB CODE: MM NO REF SOV, 000 am 00-'- R 0 -ATD P RESS! C- rd L4 IJP(c) 0"404 ... butt 0 atielp roreign and Soviet rarious,nothods of it I'M- L 23416-46 EWT (m)/EVIP (w)/EWA d)/EVIP M/r/Eyl P (t )/EW P (k IJP(;) JDIHMIJli ACC NRt AP6004135 (N) SOURCE CODE: UR/0125/66/000/001/0010/0014 AUTHOR: Rabkin, D. H.; Dzykovic4, I. Ya.; Ryabov, V. R.; Gordan0v G. ff. M-MIM'" 13 ORG: Institute of Electric Welding im. Ye.b. Paton, AS UkrSSR (Inatit elektros-.- varki) TITLE: Distribution of elements in the fusion zone during tho welding of aluminum with steel SOURCE: Avtomaticheskaya sv&rka, no. 1, 1966, 10-14 TOPIC TAGS: arc welding, bimetal welding, aluminum, steel, phase composition ABSTRACT: This distribution was investigated by means of microradiographic and x-ray structural analyses for cases of differen pre-welding treatment of both metals. Three types of steel-aluminum we.1ded specimens ut out from e zone of transition from Al to stee -were inv. gatpd: zinc-plateXtsteel St. 3 thickness of galvanic coating A -40 Ii, h 1 inum AD11tautomatic double-arc welTi-ng); ate 1 St 3 with th ' t lmuam -~. 0 1~ I, Al alloy AMg5V1 uto tic ad-on arc welding, coated wire electrodd t i TTS con a n ng pure aluminum AVOOO$reated with 2 and 5% Si); alitized steel lKhl8N9 ith the all6y' AMg6 (alitizing performed in pure aluminum AVOOO, with subsequent argon arc welding with standard coated AHg6 wire). Findings: the welding of zinc-plated steel St. 3 wi n1uminum AD1 results in a fuaion zone containing 38-43% Fe. The constitution diagram Card 1/2 621.791.7:546.621:669 140 1 14M K-4- t. i I (T.' ;/-A I, I W/~Iqgtu )I rirt A, ji i/cltri T. )/ Lfir kn)/ L,,r i4j/ --I~ jlir IVA I kT"r,_AP6_004l43 * ljDj "j' SOURCE CODE: UR/0125/66/000/001/0076/0077 MJW1 AM AUTHOR: Ishchenko, A. Ya-;tAkin, D.,M. ORG: none TITLE: Electroslag weldi f aluminum and its alloys SOURCE: Avtomaticheskaya.svarka, no. 1, 1966, 76-77 TOPIC TAGS: welding, electroslag welding, aluminum, aluminum alloy, aluminum weldin alloy welding/AD aluminum, AMTs alloy, AMg6 alloy, ATsM alloy ~_n ABSTRACT: Electroslag welding.of heavy_AR aluminum.and AMTS! AMjt6 and AT9M aluidn alloy qections has been performed at the-Electric Welding Institute im. Ye. 0. Paton. Plates"VInd bars 50-100 mm thick and structural shapes and packs of thin aluminum ,%~~heets were welded with a plate electrode. The welds had a dense structure; no po-. Vrosity, cracks, or other defects were observed. The AMTs alloy welds had a tensile strength of 12.5-13.5 kg/mm2, a', 'ield btrength of 5.3-6.6 kg/mm2, and an elon Iga 7 y tion of 30.6-36.0%, compared to l3.&-l3.8kg/mM2'.6.8-8.O kg/mm2, and 36-40% in the base metal. AMg6 welds had a t6ns Iile at.rength of 25.2-26.4 kg/mm2, a yield stren th of 13-14 kg/m2, and an elongation of 12.1-17.32,' compared to 26.0-32.9 kg/D$ 14.7-18.4 kg/mm2, and 7.5-15.2% in the base metal. ATsM welds had a ten- sile strength of 37.4-37.8 kg/m2, a,yield strength of 35 1.3- 35.4 kg/=2, and an elongation of 6.1-6.EM, compared to 45.7-46 kg/m2, 36.8 kg/=2, and 10-.4-10.7Z Card 1/2 UDC: 621.791.756:546.621 27199-66 EWT(m)AWA(d)/EWP(t)/ETI IJP (C) JH/JD 4 ACC NRo AP6015253 SOURCE COM -UR/0125/66 000/005/007 /0075 S, yincha, AA Bukalo, Li A.,' Korzhova,N. Ya."'Ded AUTHOR4 _R ki D. H., ORG: none TITLE: Heterogeneity of alumin gnestum lloy welds SOURCE: Avtomaticheskaya ovarkai no. 59 1966, 74-75 TOPIC TAGSs aluminum alloy, magnesium containing olloyoLallay weld,.weld proper'44.`% P.Mg3 alloy, AHg6 alloy e ABSTRAM, The nature of the dark areas frequently appearingAn x-ray4ictur 9,;:, alongside welds, and their effect on the propertiesIof AHg3 111nd ANO laluminum- magnesium alloy welds, have been investigated. Alloy Plate 3 o_r_6_.-mm thick were:, -TiG-welded with steel backing. In these welds the dark areas were about O.5.= wide The specimens with and without dark areas had roughly the same tensile strength$- no was also 0 32.2 kg/mm2 and 31.6 kg/mm2. The fractuie in both specime inilar. -Spectral.analysis revealed a sharp increase in magnesium content In the loicktion~,' dark areas: 7.2% instead of 2.8-3.8% forAMg3 alloy and 11%.instead of 6%~foi AMg6., alloy.. The microhardness-of a-solid solution in the dark area wa~177~~-O kg/10102 as compared to-60-66 kg/mm2 in the weld*or4n the annealed base metal" Oun, ~ the. "irk areas are formed as a result of,the enrichment ofalloy with sagnesiusk&.. They.do.not~' ~"JAZI reduce the strength of the welff-Orig. art* hast 4 filturese SUB CODE! 11, 13/ SUBH DATE:,. 'none/ ATD. PRESS: q'2:~ 6 A A-;,/ I TTn(! t ? 621. 791.019 L 35871-66 EWT(m)/EWP(t)/ETI IJP(c) JH/JD/Vhl/JG/Wf) ACC NR: AP6021486 Soma CODE:, uW413/66/ooo/oll/0128/ol28 INVENTOR: -Rabkin, D. M.; Yawtupollekswa, L. N.; Langer, N. A.; Dovbishcheako, I. V.; Nikitina, A. V.; Zq~ova, L. M.; Maj:~ynova, Yelagin, V. I.; Ishchenko, A. Ya.; Jlmdar' .V. V. ORG: none TITLE: Filler-vire for qraon--shielded arc welding of aluminu'M. Class 49, N0.1182487 Jannounced by tho Electric Welding Institute im. V- Institut elektrosvarkv ~SOURCE: Izobreteniya, proqrshlennyye obraztsy, tovarnyye znaki, no. 11, 1966, 128 TOPIC TAGS: welding, aluminum v1�10M. arc welding, argon., weldin& wire, aluminum wire re, ds;~ CA ~ "w Nn 37- ABSTRACT: This Author Certificate intiodu4s a filler-vire for argon-shielded arc welding of aluminum. To improve the weld corrosion resistance, the wire contains 0.8-1.2% sbmdum and 0-T-1.2% zirconium. IND) SUB CODE: 11, 13/ SUBM DATE:, 25Dec63/ ATD PRESS: UDC: 621.791.753.93-042 fad L 46244-66 )/T/E u-!.. - -up cc) -. __r Ck ~EV ( _7 ACC NRz jspo'o W0363/56/002/00i?~i~~/121i 23915 SOURCE CODE: 0 Chorkashin, AUTHOR: Rabk Ye. Ye. Ryabov, _.V. R.; Zalutskaya, 0. 1. ORG: Institute of Electric Welding im. Yo. 0. Paton (Institut elektroavarki); L'Vov 5tato Univorsi~y im. I. Franko kL'vovskiy gosuda-rstvennyy universitet) T I T LE :, Study of the phase composition of iron-aluminum welds SOURCE: AN SSSR, Izv. Neorg Ynatorialyl V."Z no. 7, 1966, 12o6-1212 TOPIC TAGS: weld evaluation, iron compoun d, aluminum compound ,IBSMICT: Standard Debye powder pattern of the most stable phases.of the.Fe-Alsys- tem wero obtained, and the variation of the lattice constant of the a phase with the quantitattive content of aluminum was studied. The composition of the intermetallic interlayers in iron-aluminum welds was also investigated. The following series of phases was observed on passing from iron to aluninurg,. aFo F02A1 .5 - MA13) - Al. It is shown that the weid undergoes brittle failureldhen the Fe2AI phase is present in 'UnG Fo-,U system, and that the strength of the weld is greater &elower the con- toi-~', of this phase in the Interlayer. The F02,Ue phase was not observed In strong welds alloyed with other metals (Zn$ SI, Cu, 3a). I The phase composition of the inter-! ratallic interlayers of these welds depends on the qualitative a~d quantitative compo-,f sition of the alloyed aluminum filler wire. The following sequenco of phases on pass-,. ing from, iron (steel) -'k-.o aluminum is observed in welds alloyed with,zine (15%)1. a-Fe 7 Ca,d 112_ UDC: 621.791.053:541.412 -IUC NR; AP60213915 Zn as the zinc content of the filler wire drops, the Fe-413 phase appears. .7 (in -.-iolds alloyed -writh silicon), a small amount. ~f FeZr17 and racez imi t of FeAl~ %zilds alloyed with copper) and traces of FoAl3 (in welds alloyed.with barium),wero f-iund.in addition to iron, zinc,,and aluminum in,wolds alloyed with Si, Cu, and Ba. 164ecise determinations of the.lattice constants of the Dhaseslin the welds showed tho .4-Isonce of an approciable dissolution of other metals in a~Fe; in aluminum, the disso- Mien of other metals is already substantial, and it is still higher in zinc& Orig. '*%t.'has: 2 figures and 5 tables. -VJB CODES SUM DATES 10,vav65/ ORIG REF: 008 Mli ~90 f~dissi~lrd- r metals- Erd 2i2 -T 7 q I V.&gWM-35Wj L 0 67 E .-fk ACC NR: AP601"36 SOUGL CODE: Vit/0125/65/000/012/0018/0021 AUTHORS: Dovb:lshchenko, I. V.; Ignatlyev, V. G.; RaNkin, D. 14. ORG: Institute for Electro-welding imeni Ye. 0. Paton AN UkrSSR ins'itut elektrosvarki AN UkrSSR) e) TITLE.- Welding, rod Svl%L-7 SOURCE: Avtomaticheslmya svarka, no. 12, 1965 18-21 TOPIC TAGS: aluminum woldinp,~ ~num a~lloj-, welding rod, magnesium containing alloy, weldability / AMg6 aluminum alloy, SvAMZ6 wolding rod, SvA~~-7 welding rod ABSTRACT: The optimum composition of welding rods for welding of alloy AMg6 was studied. Three different rod compositions woro invostigated. The choice oT the experimental compositions was based on the following formula for the amount of evaporated magnesium during welding: PoAfCQI n x, -117,-v- p plgcj -oo pressure Here n is the number of moles of the material invostigatted, po va. r of pure magnesium, N. molar concentration of magnesium in the alloy, Q - flow rate of UDG:-h91--79-1.-75Z--046--.-; LJO4657--67-, ACC NRs AP601".36 I argon in 1/min, weld length 10.0 cm, VO 22.41, vcb rate of welding, C min, P - vapor pressure ofma nesium. The experimental results are su=zariz M/ (see Fig ed in graphs and.tables It was found that welding rod SWIIZ7 is superior to type S-;,dt6 as far as the mechanical stpength of the welds is concerned, but that. the tendency towards crack forma-tionfin the welded Joints is similar for both I types of welding rods. The following on~-'Inecrs took part in the development of the welding rods., N. A. IMIartynova, V.,.V. Solov'yeva N. P. Dronova and B. A. Stablovskiy. 7 Fig. 1. M3gnesiumvwontont in the fused metal as 'a function of its content in the electrode waxe, R-f 4. kh Orig. art. has: 2 tables and 1 graph. SUB COUZ: 13, l1/, SUBM DATE: 00%ay65/, ORIG REF 010 'yj in wire 2/2 01!H k(30': 7 C4;fd ACC NRt AP6035756 SOURCE CODE: UR/0413/66/0.00/019/012T/6-fiT INVENTOR: Ishchenko, A. Ya.; Rabkin, D. M ORG: none TITLE: Flux-for electroslag welding and deposition of aluminum and aluminum alloys. Class 49, No. 186843 (announced by the Electric Welding Institute im.. Ye. 0. Paton (Institut clektrosvarki).] SOURCE:. Izobreteniya, promyshlennyye obraztsy, tovarnyye znaki, no. 19, 1966, 125 TOPIC TAGS: ~-'--electroslag welding, 01 it; m4l"vp q4PP.LMW.FM".~ ...3.Lim n -t1A.--welding flux , aluminum welding, weld evaluation, metal deposition, potassium chloride, lithium fluoride ABSTRACT: This Author Certificate introduces a flux containing potassium chloride and lithium and aluminum fluoride's for electroslag welding Iand deposition of aluminum and aluminum alloys. To improve weld qualicy, the flux composition is set as follows: 10-40% lithium chloride, 0-30% barium chloride, 30-60% potassium chloride 2-10% lithium fluoride, and 1.5-6.0% aluminum fluoride. SUB CODE: 13/ SUBM DATE: 19Jan651 ~Card UDC: 621-791-79-048 ACC N .R, AP603587 (A-)--- SOURCE CODE UR/b4!3j66/oOQO2O/OO89/0089" IINVENTOR: Rabkin, D. M.; Steblovskiy, B. A.; Ivanova, 0. N. d ORG; none TITLE:- M'ethod of increasing the parameters of alternating current.~ Class 21, No. 187187 [announce'd by the Institu.te of Electric Welding im'. Ye. 0. Paton (Institut elektrosvarki)) SOURCE: Izobreteniya, promyshlenhyye obraztsy, tovarnyye znaki, no. 20, 1966, 89 TOPIC TAGS: arc welding, metal welding, TIG welding, aluminum welding,1' ABSMIACT: An Author Certificate was issued for a method of increasing the parameters of alternating current in the welding of, for example, aluminum or its alloys. To 1prolong the.service life of tungsten electrodes and to improve arc stability, a direct. component is-superimposed upon an alternating current with amperage not exceeding 10% of thatof the total welding current. SUB CODE: 13/ SUBM DATE: 2ojan64/ .-uDc:- 621-7910754. .03-462 I Card 1/1 SOV/123-59-15-59582 Translation from: Referativnyy zhurnal. Mashinostroyenlyo. 1959, Ur 15. p 100 (USSR) AUTHOR-a ReLbkin, E.G. .TITLE: A New,-Automatic*Line 'PERIODICAL: opyt raboty.prom-stl Sovnarkhoza (Sovnarkhoz Moak. gor. ekon.-aft., ~r-na), 1958, Nr 1, pp 21 - 24 ABSTRACT-. A 16-unit 84-spindle automatic line of machine tools (L), 21.4 m -long, was manufactured by the Machine Tool Plant Imeni Ordzhonikidze for the machining of the gear boxes of tractors. L has 2 sections and consists of 10 multispindle machinettool aggregates: two horizontal milling machines, 4 drilling machines, three drilling and boring machines and'one tapping machine. L is fitted with a conveyer for the machine parts, with re- volving tables, tilters and chip conveyers. All aggregates of L have a hydraulic drive, and are controlled by a controlling device. The operation Card 112 order of the mechanisms of L are investigated. L disposes of an electric AUTHOR: Markovich, 0. A. TITLE: New Successes in the Rubber Goods indu3try. (K no'11W1111 uspekham promyshlennosti rezinovykh tekhniohaskik4 izdeliy). PERIODICAL: Kauchuk J Rezina, 1958, Nr.l. pp. 1 2 (USSR). ABSTRACT: A meeting of the workers in the rubber goods induq 'YF the Research Institute of Rezinoproyeictt (Rezinopr, Y- lc~ . sovnarkhozov), and the Ministry for the Chemical Industry (Ministerstvo khimicheskoy pr=76hlennosti) ,vas held in Mosca.7 between Sth - llth January, 1953. Plans for the development of the industry during 195B- 1965, results of research work carried out during 1057 ~ and questions of co-ordination and co-operation of Research Institutes and Engineering and Technical Plants , viere discussed. Papers were read by.E. D1. Rab in, Chief k ods. DIKI -a he Industry for Rubber oods, DI nd ;ngineer of t NI S. V. Burov and V. I. Novikov, Supe isors of IRPand NIIR. A. S. Novikov discussed new types of raw.materials and polymers, S. E. Strusevich new textile materials of synthetic and artificial fibres, and A. S. Kuz minskly radiation vulcanisation. The mechanimation 6Lnd automat- Card 1/2 ion of the industry, new uses of synthetic materials etc. New Successes in the Rubber Goods Industry. 138-1-1/16 were discussed. In a number of factories vulcanisation presses were automised. The Research Institutes ircresti- gated continuous vulcanisation of rubberised fabrics by' infra-red rays; the continuous production of rubber cords and tubes; a nert machine for making moulded pro- ducts; new active fillers (Ca silicates, calcium fluor- ide, precipitated activated chalk etc.).The quality of rubber goods (heat stability, frost resistance, resis- tance to wear and to deformation etc.) should be im- proved. It was recommended to start production of the following: accelerators and ultra-accelerators (dithie- carba.-nates), thiurams, xanthogenates, plasticizers, egg. Renatsit 4 and 5, peptone 22 plasticizers for 10IN7- mers of the Hycar tape (XaA1XaV V-10), molecular polyp coumarone-indene resins, anti-ageing agents, stable pig- ments and organic and inorganic dyes etc. AVAILABLE: Library of Congress. Card 2/2 USSR/Automatics and telemechanics-transfer functions FD-270-4 Card 11112 Pub. 10 - 9/11 Author Rabkin, G. L.; Mitrofanov, B. A.; Shterenberg, Yu. 0. (Leningrad) Title Determining the numerical values of the coefficients of the trans-,. fer functions of linearized circuits and systems according to experimental frequency characteristics Periodical Avtom. i telem., 16,-Ssp-oct 1955, 488-494 Abstract The authors' work is devoted toa procedure for determining the transfer functions of certain types of linearized circuits and systems with the help of experimental frequency characteristics. They present a composite diagram of phase and amplitude freque ncy characteristics and give formulas for determining the coefficients of transfer functions of circuits and systems under consideration. They present.an example of the application of the proposed proce- dure. Eight references: e.g. I. M. Krassov; Tagayevskaya, A. A.; M. A. Vasillyeva, "Determining the amplitude-phase characteristics of a regulator by method of rectangular wave," ibid... 14, No 31 1953; A. A. Tagayevskaya, "Determining the amplitude-phase charac- teristics of a linenr system from its curve of transient process," 8(2) PHASE I BOOK MCFWrLWION SOV/2030 Vasillyev, Dmitrly Vasil Iyevich,, Boris Afanafi Iyevich Mitivfanov, REW_r~y LIvovich Rabkin. Georgiy Nikanorovich Smokhvalov, Aleksandr AleksWG;&rIeh �e_m7e~Fovich, Al~ksandr Vasillywvich Fateyev, and Nikolay Ivankovich Chicbeftu Raschat sledyashehego privoda (Servadrive Design) leningrad, SudprcWz, 1958, 370 p. 8,000 copies print". Errata P31p inserted. Resp. Ed.: S. Ta. Berezin; PA.: Ye. N. Shaurak; Tech. Ed,: P. S. Fruffimn. 'PURPOSE: This book is intended for scientists, engineers, and students of vlwme COVMMGE: This book discuses the problem 9f designing electromechanical servodrivas and gives exaMles of design from the Im5int of view of the ovbrall system and of the lndividu~2 basic elements.- The design of seryodrive empItfiers, the selection and design of error-sensing devices, and the experimental determination of the tram fer functions of the discrete links of a servodrive are'given considerable attention in the book. Materials an the design of electromechanical servodrives Ve systematized wA the design of servodrives vith electronic and magnetic amplifiers and of servodrlves with rdtating amplifiers is discussed. Theie designs reflect the practical ,experiences of the wathors in the devb1opment of servosystems. The authors Card 1~ Servodrive Design (Cont.) SOV/2030 thank L A. Petrusenko, Ie S. Ra;ynsr, It. M. Konoyaloval L. A. P4prkwm, and Yu. A. Yerenrjev for their aid in preparing Ithe book. There are , 51 referencesi 4T.Soviet, 1 German, and 3 English. TAX OF CONTENTSt Preface an. 1. Review of Existing M&Vhods Of Designing a lAnearized Servodrive 1-1. Nature of.design 5 1-2. Preqnenc7 methods, 6 1-3. Coefficient methods 12 1-4. Design methods based on the &istribution of roots of the characteristic equation 13 Ch. 2. Selecting the Design Methods and the Order of Design 1T 2-1. Comparative eyalmtlon of design methods 17 2-2. Selection of frequency design methods 23: 2-3. Selection of control action and initial conditions. 22 2-4. Order of seivbdri*e design 25 Card 2/5 Serwodrive Deelga(Cont.) SOV/2030 Ch. 3. Selection of the Parameters of Dole Bervodrive'limoto 28 -3rl. Selection of the type of current 20 3-2. Selection of pw ratios and the tnw of reduction valt 30 3-3, Selection of the cqWlty of the s*rvamotor, ~32 3-4, Daterininstlon of the transfer functions of the meta 48 Selection of the. t"ps of mansing elements 54 3-6. Selection of matillary devices for merwodrIves 62 Ch. 4. Serwodrive Amplifiers ~80 1, t Selection of the'tMps of amplifier 80 -2. RotaUng - napUflers and deterodnation of in:LtIal "ta for the design of preamplIflers 83 4-3, Connecting the awlifters with the servomotor k-It. Electronic amplifiers 4-5. Magnatic'emplifliers 133 44, Sadconftetor amplifiers 169 Ch, 5. Selection-and Design of Error-sensing Devices 2D9 5-1, MetbodIs of selecting error-sowing devices 211 5-2, Selection of the Parameters of *rror-sensIng devices by ims of logaritbmic amplita"s and phase-frequeney ehumeteristics 211 Card 3/*~ Servodrive Design (Cont,~) SOV/2030 5-3. Selection of the parameters of error-sensing devicis by means of amplitude-phase characteristics 26o 5-4. On the design of servodrives by the probibility characteristics of Input effects and noise and the demands of dynamic accuracy 277 Ch*16. Experimental Determination of the Parameters of Transfer Functions of the Discrete Unks of a Servodrive 296 6-1. Review of existing methods 298 6-2. Methods of experimental determination of the parameters of the transfer functions of the discrete linearized links of a seryodrive 305 Ch. T. ZZMPleo of Seryodrive Design 325 7-1. ~ Example of static design of a 4-Vatt servadrive 326 T-2. Example of static design of a tachometric:servodrive with electironic magnetic amplifier and 4-vatt-&-c motor, 330 7-3. Example of the design of a two-reading servodrive with magnetic amplifier and 500-vatt.a-c motor 334 T-4, Example of the design of a servodrive with electronic and rotating amplifiers 345 Cavd. 4/5 tended- for -researchers -and engineers and-, also-I for sbidents of-- hioher educational- ins'titutionse TABLE OF CONTWS (abridgedlt Card 1/2 of osXhaveal divertl cula "-.1 ~tii,'U-~(~!n ll'.t7-ill i cal Khirurglla 39 D 163 1. Iz otdclerlya klil-mrgii organov pis"nc-'alevarrmiya (Zav. dot's'e-lit i otdolpriiya (zav. liantlitirt.;a k-lir.1,Ainskoy 1 kLh4 rurgii (direkt,.-)r - deystv-1telInyy chlen rof. B.V. Petro-,,rgkiy) lrlinistc~,n;Vra zdravoc'KII-araneriiya PHASE I BOOK EXPLOITATION SOV/6175 Rabkin, Izraill Gabri Colonel of Engineers Bezopasnost' poletov (Flight Safety). Moscow, Voyeniidat N-va oborony SSSR, 1962. 132 p. .10,000 copies printed. Ed.: K. F., Tresvyatakiy, Lieutenant Colonel; Tech. Ed.: N. Ya. Maslova. PURPOSE: This book is,intended for flight and technical-engineering personnel In all branches of aviation. It may also be used by students in academies and Inflicht and aviation-technology schools. COVERAGE: The book analyzes dangerous.flying regimes from take-off to landing and the prevention of unsafe conditions. TABLE OF CONTENTS [Abridged): I.* Unsafe Regimes and Flight Blements 3 Card 1/0 RABKINI 1.0., aspirant (Koskva, n1. Tostochnaya, 1corp.2, ky. 85) Conditions of vessels of the lose-or circulation in X-ray pictures In cases of,m1tral defectm; Uray. clinical, and morphological correlarie a. Vest.rent.1 rad. 34 no.6:38-46 N-D 159. (NIRA 13:5) 1. Is 3-y kafedry rentgenologil I meditainskoy radiologil(sav. - prof. I.L. Tager)TSentrallnogo institute, usovershenstvomiya Vritchey (dir..N.D. Irowrijina). (NITRAL VALTS, dim.) (ANGIOGRAM) Pulmonar,.r barrier in mitralldefects (morphological and roentgenolo- gical data on lung biopsies made during operations on the mitral ~vulve). Ilin.med. 37 -no.8:36-46 Ag '59. (MIRA 12:11) 1. Iz Inatituta eksperimentallnoy biologii i meditsiny Sibirskogo otdeleniva All SSSR (dir. - prof.U.N.Meshalkin). kafedry rentganolo- gii (zav. prof.I.L.Tager) TSentrallnogo Instituta,usovershenstvo- vani.ya vrachey i.prozekti=7 52-Y Gorodskoy bollnitay (glavw vrach P-S-Petrushko). (MITRAL STICIOSIS, patholoCr) nv PETROVSKIY, B~V., prof.; ~ABKIE, I.Kh., kand.med.nauk; SOLOVIYEV, G.M., PETROVSKIY, B.V., prof. (Moskva, u1. Gorlkogo, d-56, kv.100); WKB, _I.Kh,_l PETROVSKI'l B.V. , rrof.; R&BRIN I.Kh kand med.nauk X-ray cinematogrqphic Btudy in the diagnosis of diseases of the heart and veozels. Kardlologiia 2 no.2:3-13 ~lr-Ap 162. (MIRA 15 - 4) 1. Iz gospitallnoy khirurgicheskoy kliniki (dir. prof. B.V.Petrovskiy) I Mo3kovskoCo mod tsinskogo instituta imteni I.M.Sechenova. 2. DeystvitelInyytIen, AMU SSSR (for Petrovskiy). (CARDIOVASCULAR SYSTEIADISEASES) (GINEFLUORMPAPHY) PETROVSKIY, B.V., prof.; SOLOVIYEV, G.M.; IUBKIN, I.Kh.; LEBEDEVA, H.N. MAYOROVA, L.A. special methods of diagnosing diseases of the heart and.vesselse Sov. Med. 26 no.9.3-9 S 162. (141RA 17:4) 1. Iz kafedry gospitallnoy khirurgii (zav. - deystvitellnyy chlen AMN SSSR prof. B.V. Petrovskiy) I Moskovskogo meditsinskogo instituta imeni Sechenova. WKIN, I. Kh., kand. med. nauk (Moskva) ,18 h; SALIMAN, M.M.,.red.; LYUDKOVSKAYA, N.I.,, (Roentgenological study of the vessels of pulmonary circula- tion in mitral heart defects] Rentgenologicheskoe isuchente soaudov malogo krugs. krovoobrashcheniia pri mitralInykh po, rokakh serdtsa. Moskva, Medgis, 1963. 135 p. (MIRA 16:8) (PULMDNARY CIRCULATION-MITRAL VALVE--DISEASES) (DIAGNOSISt RADIOSCOPIC)