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dx.doi.org/ 10.18577/2307-6046-2021-0-10-3-11

УДК 669.14.018.8

Sevalnev G.S., Sevalneva T.G., Kolmakov A.G., Dulnev K.V., Krylov S.А.

STUDY OF THE TRIBOTECHNICAL CHARACTERISTICS OF CORROSION-RESISTANT STEELS WITH DIFFERENT MECHANISMS OF VOLUMETRIC HARDENING

The structure, phase composition and hardness of corrosion-resistant steels with different mechanisms of volumetric hardening was studied. It was found that after hardening treatment of steel VNS9-Sh, VNS30-Sh, VNS72-Sh have approximately the same hardness with a volumetric martensite content of 50, 90 and 75 %, respectively. According to the results of tribological tests for wear under dry friction conditions, it was found that VNS9-Sh steel with the TRIP effect has the best wear resistance. VNS30-Sh steel with precipitation hardening and VNS72-Sh steel with martensite hardening have approximately the same wear resistance.

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Reference list

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8. Romanenko D.N., Sevalnev G.S., Leonov A.A., Udod K.A., Stepanenko E.V. Improving the tribological characteristics of 18KHGT steel after cementation and hardening heat treatment. Aviation materials and technology, 2021. no. 1 (62). paper no. 02. Available at: https://journal.viam.ru (accessed: May 20, 2021). DOI: 10.18577/2713-0193-2021-0-1-13-21.
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dx.doi.org/ 10.18577/2307-6046-2021-0-10-12-27

УДК 669.721.5

Petrov A.A., Speransky K.A.

MAGNESIUM ALLOYS: PROSPECTIVE INDUSTRIES OF APPLICATION, ADVANTAGES AND DISADVANTAGES (review) Part 1. Application in medicine. Crystallographic factors affecting the corrosion resistance of magnesium alloys

This article opens a series of publications in which the main problems of magnesium alloys will be considered, such as low corrosion resistance, high anisotropy of mechanical properties, low fire safety, as well as the industries of application of these materials. The cycle of works involves several parts, each of which is devoted to a separate macro-problem characteristic of magnesium alloys, or to industries in which magnesium alloys may be most in demand. This part of the review presents basic information and systems for alloying magnesium alloys. The crystallographic and structural factors influencing the corrosion resistance of magnesium alloys are described. The possibility of using magnesium alloys in medicine is shown, and the reasons for which at the current moment of time their use is difficult.

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Reference list

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dx.doi.org/ 10.18577/2307-6046-2021-0-10-28-35

УДК 628.517.699.844

Sagomonova V.A., Dolgopolov S.S., Sorokin A.E., Tselikin V.V.

EVALUATION OF VIBRATION-ABSORBING MATERIAL BASED ON POLYURETHANE USING POSSIBILITY FOR A SEAL

The article presents the results of a study of the operational properties of the VTP-1V grade material, including cold flow. It was found that the material of the VTP-1V grade hasn’t cold flow and, according to the complex of properties studied in the work, can be recommended as an alternative to layered polymeric composite materials used in the bolted joints of the aircraft wing rib. The possibility of operating VTP-1V in an environment of aggressive liquids was assessed and it was shown that the material is resistant to the effects of TC-1 fuel, including retaining low deformability under prolonged loading.

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Reference list

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dx.doi.org/ 10.18577/2307-6046-2021-0-10-36-44

УДК 678.8

Pykhtin A.A., Sorokin A.E., Larionov S.A., Lonskii S.L.

STUDY OF THE INFLUENCE OF NON-COVALENT MODIFIERS ON THE STRUCTURE AND PROPERTIES OF POLYMER FILAMENTS FOR FDM-PRINTING BASED ON ABS-PLASTIC AND CARBON NANOPARTICLES

The paper presents the results of a study of the effect of non-covalent modifiers on the structure and properties of polymer filaments for FDM-printing based on ABS-plastic and carbon nanoparticles. The dependences of the characteristics of nanocomposites and filaments based on them to the type of functionalization have been established. The effect of the concentration of CNTs on the hardness, water absorption, electrical resistance, and shear strength for modified polymer filament has been investigated. The optimal formulations and technological parameters of FDM-printing of templates have been determined.

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Reference list

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dx.doi.org/ 10.18577/2307-6046-2021-0-10-45-57

УДК 678.073

Sorokin A.E., Beljaev А.А., Kraev I.D., Larionov S.A.

INVESTIGATION OF THE RADIO TECHNICAL CHARACTERISTICS OF TWO-MATRIX COMPOSITES BASED ON TEMPLATES PRODUCED BY 3D-PRINTING

In this work, we studied the radio technical characteristics of two-matrix composites made by combining thermoplastic, modified carbon nanotubes (CNTs), templates with a network and figured structure, and polymer compositions based on epoxy resin containing iron powders and CNTs. It has been established that the implemented approach makes it possible to flexibly regulate the radio-technical properties of a two-matrix composite material by varying the structure and size of the cells of the thermoplastic template and the type of filler for the polymer composition based on epoxy resin.

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Reference list

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dx.doi.org/ 10.18577/2307-6046-2021-0-10-58-66

УДК 678.8

Zastrogina O.B., Sinyakov S.D., Serkova E.A.

MATERIALS BASED PHENOLFORMALDEHYDE OLIGOMERS OF RESOL AND NOVOLAC TIPES (review). Part 1

Currently, compositions based on a mixture of phenol-formaldehyde resins of the resole and novolac types are of considerable interest. In the first part of the review examples of the use of resole-novolac phenol-formaldehyde resins in adhesive compositions, prepregs, fiberglass plastics and refractory masses are given. The advantages of using resole-novolac compositions in comparison with resole and novolac phenol-formaldehyde oligomers by increasing the physical and mechanical characteristics, fire resistance and fireproof properties are shown.

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Reference list

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3. Raskutin A.E. Development strategy of polymer composite materials. Aviacionnye materialy i tehnologii, 2017, no. S, pp. 344–348. DOI: 10.18577/2071-9140-2017-0-S-344-348.
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13. Phenol Formaldehyde Resins: pat. 763697 AU, no. 200015391; filed 25.11.99; publ. 31.07.03.
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17. Heat-resistant adhesive composition: pat. 2002786 Rus. Federation, no. 4948096/05; filed 24.06.91; publ. 15.11.93.
18. Resol-type phenol resin composition and method for curing the same: pat. 7041724 US, no. 09/892457; filed 28.06.01; publ. 09.05.06.
19. The method of obtaining resolves: pat. 2234519 Rus. Federation, no. 2000127719/04; filed 30.12.99; publ. 20.08.04.
20. Binding: pat. 2123502 Rus. Federation, no. 97120915/04; filed 01.12.97; publ. 20.12.98.
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22. Heat-resistant adhesive composition: pat. 2203917 Rus. Federation, no. 20011225969/04; filed 24.09.01; publ. 10.05.03.
23. Heat-resistant adhesive composition: pat. 2276679 Rus. Federation, no. 2004134629/04; filed 29.11.04; publ. 20.05.06.
24. Phenoloformaldehyde binder, prepreg on its basis and the product made of it: pat. 2333922 Rus. Federation, no. 2007107679/04; filed 01.03.07; publ. 20.09.08.
25. Resin composition, prepreg, and phenolic resin paper base laminate: pat. 268945 CA, no. 20030106882; filed 27.03.03; publ. 21.12.06.
26. Phenol resin composition, prepreg using the same, and phenol resin laminate with paper base: pat. 2005154592 JP, no. 20030395484; filed 26.11.03; publ. 16.06.05.
27. Phenol resin composition and phenol resin laminated sheet using the same: pat. 2002249638 JP, no. 20010051390; filed 27.02.01; publ. 08.09.02.
28. Phenol resin composition, prepreg and paper substrate phenolic resin laminate: pat. 2003176398 JP, no. 20010377994; filed 12.12.01; publ. 24.06.03.
29. Plastic refractory mass: pat. 2353602 Rus. Federation, no. 2007133981/03; filed 11.09.07; publ. 27.04.09.
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dx.doi.org/ 10.18577/2307-6046-2021-0-10-67-78

УДК 661.183.4-911.48

Lebedeva Yu.E., Shchegoleva N.E., Voronov V.A., Kovaleva V.S., Chaynikova A.S.

EFFECT OF MODIFYING ZIRCONIUM OXIDE ADDITIVE ON THE PROPERTIES OF CERAMIC MATERIALS OF THE Y2O3–Al2O3–SiO2 SYSTEM OBTAINED BY THE SOL-GEL METHOD

The effect of the modifying additive ZrO₂ on the rheological properties, the processes of structure and phase formation of the compositions of the Y₂O₃–Al₂O₃–SiO₂ system obtained by the sol-gel method has been investigated. It was found that the temperature range of crystallization of the compositions of the Y₂O₃–Al₂O₃–SiO₂ system with the addition of ZrO₂ is 1020–1270 °C and with an increase in the concentration of zirconium oxide, the amount of the main crystalline phase of yttrium pyrosilicate (β-Y₂Si₂O₇) decreases and the concentration of the zirconium-containing phase – the tetragonal modification of zirconium oxide and zirconium silicate ZrSiO₄ -increases.

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Reference list

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20. Nasiri N.A., Patra N., Horlait D. et al. Thermal properties of rare-earth monosilicates for EBC on Si-based ceramic composites. Journal of American Ceramic Society, 2016, vol. 99, pp. 589–596.
21. Kolitsch U., Seifert H.J., Ludwig T., Aldinger F. Phase equilibria and crystal chemistry in the Y2O3–Аl2О3–SiO2 system. Journal of Materials Research, 1999, vol. 14. no. 2, pp. 447–455.
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23. Lebedeva Yu.E., Grashhenkov D.V., Popovich N.V., Orlova L.A., Chajnikova A.S. Development and research of the thermostable coverings, received sol-gel method in Y2O3–Al2O3–SiO2system, for SiC-containing materials. Trudy VIAM, no. 12, paper no. 03. Available at: http://www.viam-works.ru (accessed: July 7, 2021).
24. Kablov E.N. Innovative developments of FSUE «VIAM» SSC of RF on realization of «Strategic directions of the development of materials and technologies of their processing for the period until 2030». Aviacionnye materialy i tehnologii, 2015, no. 1 (34), pp. 3–33. DOI: 10.18577/2071-9140-2015-0-1-3-33.

dx.doi.org/ 10.18577/2307-6046-2021-0-10-79-86

УДК 66.045.3

Babashov V.G., Varrik N.M.

ZIRCONIA FIBERS AS A COMPONENT OF HIGH TEMPERATURE THERMAL INSULATION (review)

Based on the analysis of recent publications of scientific and technical literature, data on the production of zirconium oxide fibers used for the manufacture of high-temperature thermal insulation materials are presented. Information is provided on various methods of obtaining zirconium oxide fibers (methods of impregnation of the template and molding of the mixture, sol-gel method of spinning a fiber-forming precursor solution), as well as on the technique of fiber molding (manual pulling, dry and wet spinning, blowing and electrospinning). The use of such fibers for the production of thermal insulation materials (felts, cords and blocks) instead of currently existing materials made of aluminum oxide-based fibers can significantly increase the operating temperatures of the thermal protection systems.

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Reference list

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36. Istomin A.V., Kolyshev S.G. Electrostatic method of forming ultrathin fibers of refractory oxides. Aviacionnye materialy i tehnologii, 2019, no. 2 (55), pp. 40–46. DOI: 10.18577/2071-9140-2019-0-2-40-46.
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40. Balinova Yu.A., Varrik N.M., Istomin A.V., Lyulyukina G.Yu. Obtaining zirconium oxide fibers by electrospinning. Steklo i keramika, 2020, no. 8, pp. 30–35.
41. Lebedeva Yu.E., Shchegoleva N.E., Voronov V.A., Solntcev S.S. Al2O3 and ZrO2 ceramic materials obtained by sol-gel method. Trudy VIAM, 2021, no. 4 (98), paper no. 05. Available at: http://www.viam-works.ru (accessed: July 8, 2021). DOI: 10.18577/2307-6046-2021-0-4-61-73.

dx.doi.org/ 10.18577/2307-6046-2021-0-10-87-96

УДК 678.026

Kuznetsova V.A., Kurshev E.V., Silaeva A.A., Marchenko S.A.

INFLUENCE OF PHASE STRUCTURE POLYMERIC FILMFORMER ON PHYSICAL MECHANICAL AND WATER RESISTANT PROPERTIES OF COATINGS

The phase structure, adhesion and physical mechanical properties, water resistance of varnish coatings on the basis of the modified and not modified epoxy filmformers, with organic silicon ammine «AСOT-2» and low-molecular «ПO-200» polyamide as curing agents. It is established that the process of structurization of unfilled epoxy compositions depends on each component of polymeric system. The received results of determination of adhesion, physical mechanical properties, water resistance correlate with results of researches of phase structure of the coatings received on the basis of modified and not modified epoxy compositions, with organic silicon ammine «AСOT-2» and low-molecular «ПO-200» polyamide as curing agents.

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Reference list

1. Kablov E.N. Aviation materials science: results and prospects. Vestnik Rossiyskoy akademii nauk, 2002, vol. 72, no. 1, pp. 3–12.
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5. Lutsenko A.N., Slavin A.V., Erasov V.S., Khvackij K.K. Strength tests and researches of aviation materials. Aviacionnye materialy i tehnologii, 2017, no. S, pp. 527–546. DOI: 10.18577/2071-9140-2017-0-S-527-546.
6. Pavlyuk B.Ph. The main directions in the field of development of polymeric functional materials. Aviacionnye materialy i tehnologii, 2017, no. S, pp. 388–392. DOI: 10.18577/2071-9140-2017-0-S-388-392.
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9. Kvasnikov M.Yu., Zamshin V.A., Kudlo V.L., Ilina N.S., Chinov V.V., Nepochatov V.M. New technology for production of electrophoretic coatings on the parts of a helicopter operating in fretting-corrosion conditions. Aviacionnye materialy i tehnologii, 2019, no. 4 (57), pp. 49–55. DOI: 10.18577 / 2071-9140-2019-0-4-49-55.
10. Zheleznyak V.G. Modern paint and varnish materials for use in aviation equipment products. Trudy VIAM, 2019, no. 5 (77), paper no. 07. Available at: http://www.viam-works.ru. (accessed: January 18, 2021). DOI: 10.18577/2307-6046-2019-0-5-62-67.
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17. Noskov A.M., Novikov N.I. Curing of glycidyl ethers with amines in the presence of hydroxyl groups. Zhurnal prikladnoy khimii, 2008, vol. LW, no. 12, pp. 2733–2737.
18. Petrov G.N., Sinaisky A.G., Dalgren I.V. Liquid hydrocarbon rubbers and their areas of application. Klei. Germetiki. Tekhnologii, 2009, no. 10, PP. 24–27.
19. Yulovskaya V.D. Oligomers. Rubber-oligomeric compositions, structure and properties: textbook. Moscow, 2008, 46 p.
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21. Kablov V.F. System technology of rubber-oligomeric compositions. Oligomers-2009. Moscow, 2009, pp. 162–191.
22. Kondrashov E.K., Kuznetsova V.A., Semenova L.V., Lebedeva T.A. The main directions of improving the operational, technological and environmental characteristics of paint and varnish coatings for aviation technology. Rossiyskiy khimicheskiy zhurnal, 2010, vol. LIV, no. 1, pp. 96–102.
23. Kablov E.N. Innovative developments of FSUE «VIAM» SSC of RF on realization of «Strategic directions of the development of materials and technologies of their processing for the period until 2030». Aviacionnye materialy i tehnologii, 2015, no. 1 (34), pp. 3–33. DOI: 10.18577/2071-9140-2015-0-1-3-33.
24. Pyrikov A.V., Loiko D.P., Kochergin Yu.S. Modification of epoxy resins with liquid polysulfide and carboxylated butadiene rubbers. Klei. Germetiki. Tekhnologii, 2010, no. 1. P. 28–33.
25. Kuznetsova V.A., Marchenko S.A., Zhelez-nyak V.G., Emelyanov V.V. Influence of the spatial structure of reinforcing fillers on the properties of the paint coatings. Trudy VIAM, 2020, no. 9 (91), paper no. 11. Available at: http://www.viam-works.ru (accessed: July 9, 2021). DOI: 10.18577/2307-6046-2020-0-9-96-104.

10.

dx.doi.org/ 10.18577/2307-6046-2021-0-10-97-107

УДК 21.318.2

Gorlov D.S., Cherednichenko I.V., Valeev R.A., Chesnokov D.V.

IMPROVING THE CORROSION RESISTANCE OF RЕM–Fe–B MAGNETS

The article presents the results of work on improving the corrosion resistance of magnets of the REM–Fe–B system manufactured in China, by applying an ion-plasma coating of the SDP-1T + VSDP-13 system on an industrial vacuum-arc installation MAP-3. A comparative assessment of the tread protection of the vacuum-arc coating of the SP-1T + VSP-13 system was carried out with an already applied Ni–Cu–Ni coating under conditions of accelerated cyclic corrosion tests at a temperature of 300 °C. The coating of the SDP-1T + VSDP-13 system, applied in the FSUE «VIAM», creates a much more resistant protection of the magnets of the REM–Fe–B system from corrosion compared to the electroplating of the Ni–Cu–Ni system, manufactured in China.

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Reference list

1. Ignatov A.S. Research and development of a method for producing flexible magnetic materials based on the Nd – Fe – B system: thesis, Cand. Sc. (Tech.). Moscow, 2018, 127 p.
2. Kablov E.N., Ospennikova O.G., Piskorskii V.P., Korolev D.V., Morgunov R.B., Kunitsyna E.I., Talantsev A.D. Competition of Single-ion Anisotropy of Sm and Dy ions During the Spin-reorientation Transition in (Nd1 – x – ySmxDyy)(FeCo)B Supermagnets. Physics of the Solid State, 2016, vol. 58, no. 7, pp. 1320–1324.
3. Dmitriev A.I., Kunitsyna E.I., Morgunov R.B., Kucheryaev V.V., Valeev R.A., Piskorskii V.P., Ospennikova O.G., Kablov E.N. Effect of Samarium Impurity on the Relaxation of the Magnetization of a (NdDy)(FeCo)B alloy. Physics of the Solid State, 2016, vol. 58, no. 8, pp. 1582–1586.
4. Savchenko E.S. Formation of the structure and magnetic properties of the Fe2NiAl alloy after casting and quenching of the melt: thesis, Cand. Sc. (Tech.). Moscow, 2016, 150 p.
5. Kablov E.N., Startsev O.V., Medvedev I.M. Review of international experience on corrosion and corrosion protection. Aviacionnye materialy i tehnologii, 2015, no. 2 (35), pp. 76–87. DOI: 10.18577/2071-9140-2015-0-2-76-87.
6. Vinogradov S.S., Nikiforov A.A., Balahonov S.V., Leshhev K.A. Ni–B chemical coating’s structure and properties investigation. Trudy VIAM, 2014, no. 12, paper no. 7. Available at: http://www.viam-works.ru (accessed: June 21, 2021). DOI: 10.18577/2307-6046-2014-0-12-7-7.
7. Evdokimov A.A., Petrova A.P., Pavlovskiy K.A., Gulyaev I.N. The influence of climatic ageing on the properties of PCM-based epoxy resin systems. Trudy VIAM, 2021, no. 3 (97), paper no. 12. Available at: http://www.viam-works.ru (accessed: June 21, 2021). DOI: 10.18577/2307-6046-2021-0-3-128-136.
8. Vinogradov S.S., Nikiforov A.A., Zakirova L.I. Cadmium replacement. Stage 2 – final. Galvanic thermal coating of zinc–tin system – real alternative to cadmium plating. Aviacionnye materialy i tehnologii, 2019, no. 3 (56), pp. 59–66. DOI: 10.18577/2071-9140-2019-0-3-59-66.
9. Zakirova L.I., Laptev A.B. Properties of protective electroplating coatings for replacement of cadmium on steel fixing parts (review). Part 1. Morphology and corrosion resistance. Aviaсionnye materialy i tehnologii, 2020, no. 3 (60), pp. 37–46. DOI: 10.18577/2071-9140-2020-0-3-37-46.
10. Muboyadzhyan S.A., Aleksandrov D.A., Gorlov D.S., Egorova L.P., Bulavinceva E.E. Protective and strengthening ion-plasma coverings for blades and other responsible details of the GTE compressor. Aviacionnye materialy i tehnologii, 2012, no. S, pp. 71–81.
11. Kosmin A.A., Budinovskiy S.A., Matveyev P.V., Smirnov A.A. Research of sulfide-oxide corrosion resistance of ZhS36 nickel superalloy with different types of ion-plasma coatings in temperature range 850–900°С. Trudy VIAM, 2015, no. 12, paper no. 05. Available at: http://www.viam-works.ru (accessed: June 21, 2021). DOI: 10.18577/2307-6046-2015-0-12-5-5.
12. Kablov E.N. Innovative developments of FSUE «VIAM» SSC of RF on realization of «Strategic directions of the development of materials and technologies of their processing for the period until 2030». Aviacionnye materialy i tehnologii, 2015, no. 1 (34), pp. 3–33. DOI: 10.18577/2071-9140-2015-0-1-3-33.
13. Piskorsky V.P., Korolev D.V., Valeev R.A., Morgunov R. B., Kunitsyna E.I. Physics and engineering of permanent magnets. Ed. E.N. Kablov. Moscow: VIAM, 2018, 360 p.
14. Muboyadzhyan S.A., Budinovskij S.A. Ion-plasma technology: prospective processes, coatings, equipment. Aviacionnye materialy i tehnologii, 2017, no. S, pp. 39–54. DOI: 10.18577/2071-9140-2017-0-S-39-54.
15. Baranov A.N., Guseva E.A., Komova E.M. Investigation of the corrosion resistance of steels used for the manufacture of dredging equipment for gold mining. Sistemy. Metody. Tekhnologii, 2014, no. 1 (21), pp. 102–106.
16. Roslyakov V.I. Increasing corrosion resistance and reliability of household appliances during operation. Tekhniko-tekhnologicheskiye problemy servisa, 2012, no. 4 (22). S. 29–32.
17. Zamaletdinov I.I. Corrosion and protection of metals. Corrosion of powder materials: textbook. Perm, 2007, 188 p.
18. Rossina N.G., Popov N.A., Zhilyakova M.A., Korelin A.V. Corrosion and protection of metals: textbook: in 2 parts. Ekaterinburg, 2019. Part 1: Methods of research of corrosion processes, 108 p.

11.

dx.doi.org/ 10.18577/2307-6046-2021-0-10-108-116

УДК 543.6

Karachevtsev F.N., Dvoretskov R.M., Zagvozdkina T.N., Slavin A.V.

DETERMINATION OF TITANIUM AND ZIRCONIUM IN ALUMINUM ALLOYS BY ATOMIC EMISSION SPECTROMETRY WITH INDUCTIVELY COUPLED PLASMA

A method is proposed for the determination of titanium and zirconium by inductively coupled plasma atomic emission spectrometry in aluminum alloys. Analytical lines of titanium and zirconium free from other elements significant spectral overlaps are selected. The selection of the sample preparation method was carried out, namely – dissolution in concentrated nitric acid. Studies of the metrological characteristics of the technique were carried out: for titanium and zirconium contents from 0.05 to 0.3 % of the mass. the accuracy index is no more than 5 % rel., which fully ensures the possibility of analytical control of the content of titanium and zirconium in products from aluminum alloys.

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Reference list

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dx.doi.org/ 10.18577/2307-6046-2021-0-10-117-123

УДК 620.179

Lednev I.S., Generalov A.S.

COMPARISON OF RUSSIAN AND INTERNATIONAL STANDARDS WHEN CONDUCTING THE MAGNETIC POWDER METHOD OF NON-DESTRUCTIVE TESTING

The analysis of the requirements of domestic and foreign standards for the magnetic particle testing (MPT) method is presented. Their advantages and disadvantages are highlighted, as well as fundamental differences in the technology of control, of which the main one is the use of the remanent magnetization method in the practice of domestic MPT. The methods of remanent magnetization and the applied magnetic field are compared. Based on the analysis, it was concluded that for the control of particularly responsible products during the MPT, GOST 56512-2015 should be followed.

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AUTHORS INFORMATION

Authors named	Position, academic degree
FSUE «All-Russian Scientific-Research Institute of Aviation Materials» of National Research Center «Kurchatov Institute»; e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
Vladimir G. Babashov	Head of Laboratory, Candidate of Sciences (Tech.)
Aleksey A. Belyaev	Leading Design Engineer
Ruslan A. Valeev	Head of Laboratory, Candidate of Sciences (Tech.)
Natalia M. Varrik	Leading Engineer
Vsevolod A. Voronov	Head of Sector, Candidate of Sciences (Chem.)
Alexander S. Generalov	Head of Laboratory
Dmitry S. Gorlov	Leading Engineer
Roman M. Dvoretskov	Head of Sector, Candidate of Sciences (Chem.)
Stanislav S. Dolgopolov	Second Category Engineer
Konstantin V. Dulnev	Engineer
Tatiana N. Zagvozdkina	Second Category Engineer
Olga B. Zastrogina	Deputy Head of Laboratory, Candidate of Sciences (Tech.)
Fedor N. Karachevchev	Head of Laboratory, Candidate of Sciences (Tech.)
Vasilisa S. Kovaleva	Engineer
Ivan D. Kraev	First category engineer-technologist
Sergey A. Krylov	Deputy Head of laboratory
Vera A. Kuznetsova	Head of Sector, Candidate of Sciences (Tech.)
Evgeny V. Kurshev	First Category Engineer
Sergey A. Larionov	First Category Engineer
Yulia E. Lebedeva	Deputy Head of Laboratory for Science, Candidate of Sciences (Tech.)
Igor S. Lednev	First Category Engineer
Stanislav L. Lonskii	Second Category Engineer
Sergey A. Marchenko	Engineer
Artem A. Petrov	First Category Engineer, Candidate of Sciences (Tech.)
Alexander A. Pykhtin	Candidate of Sciences (Tech.)
Valeria A. Sagomonova	Head of Laboratory
German S. Sevalnev	Leading Engineer
Tatiana G. Sevalneva	Engineer
Evgeniya A. Serkova	Head of Sector
Anna A. Silaeva	Engineer, Candidate of Sciences (Tech.)
Stanislav D. Sinyakov	Second Category Engineer
Andrey V. Slavin	Head of Testing Center, Doctor of Sciences (Tech.)
Anton E. Sorokin	Head of Scientific-Research Bureau, Candidate of Sciences (Tech.)
Konstantin A. Speransky	Technician
Anna S. Chaynikova	Head of Scientific-Research Bureau, Candidate of Sciences (Tech.)
Igor V. Cherednichenko	Senior Researcher, Candidate of Sciences (Tech.)
Dmitry V. Chesnokov	Head of Laboratory
Valery V. Tselikin	First Category Engineer
Natalia E. Shchegoleva	Head of Sector, Candidate of Sciences (Tech.)
Institute of Metallurgy and Materials Science A.A. Baykova RAS; e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
Alexey G. Kolmakov	Head of laboratory, Corresponding Member of RAS, Doctor of Sciences (Tech.)

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