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Aviation materials and technologies №2, 2019

Contents

  • Yu.A. Bondarenko

    TRENDS IN THE DEVELOPMENT OF HIGH-TEMPERATURE METAL MATERIALS AND TECHNOLOGIES IN THE PRODUCTION OF MODERN AIRCRAFT GAS TURBINE ENGINES

    3-11
  • N.N. Trofimenko, I.Yu. Efimochkin, I.V. Osin, R.M. Dvoretskov

    THE RESEARCH OF THE POSSIBILITY OF HIGH ENTROPY ALLOY VNbMoTaW PRODUCTION BY MIXING ELEMENTARY POWDERS WITH FURTHER HYBRID SPARK PLASMA SINTERING

    12-20
  • M.N. Letnikov, B.S. Lomberg, O.G. Ospennikova, M.M. Bakradze

    INFLUENCE OF QUENCH RATE ON MICROSTRUCTURE AND MECHANICAL PROPERTIES OF NICKEL-BASED WROUGHT SUPERALLOY VZh175-ID

    21-30
  • N.V. Bulina, A.G. Malikov, А.М. Orishich, G.G. Klochkov

    RESEARCH OF THE STRUCTURAL-PHASE COMPOSITION OF LASER WELD JOINT DEPENDING ON THE THERMAL PROCESSING OF THE ALUMINUM ALLOY V-1469

    31-39
  • A.V. Istomin, S.G. Kolyshev

    ELECTROSTATIC METHOD OF FORMING ULTRATHIN FIBERS OF REFRACTORY OXIDES

    40-46
  • V.N. Mosiyuk, O.V.Tomchani

    EVALUATION OF PROPERTIES OF GLASS-FIBRE-REINFORCED PLASTICS BASED ON EPOXYBISMALEIMIDE RESIN, PRODUCED BY DIFFERENT NON-AUTOCLAVE MOLDING TECHNIQUES

    47-52
  • A.N. Lopatin, I.D. Zverkov

    SHAPING MOLDING TOOLS PRODUCTION FOR COMPOSITE PARTS BY MEANS OF ADDITIVE TECHNOLOGIES

    53-59
  • R.K. Salakhova, A.B. Tikhoobrazov

    THERMAL RESISTANCE OF ELECTROLYTIC CHROMIUM COATINGS

    60-67
  • V.S. Denisova, G.A. Malinina, O.V. Vlasova, A.Yu. Vinogradova

    THE INFLUENCE OF SILICON TETRABORIDE ADDITIVES ON PROPERTIES OF HEAT-RESISTANT COATINGS FOR NICKEL ALLOYS PROTECTION

    68-73
  • A.A. Kozlova, V.A. Kuznetsova, I.A. Kozlov, S.A. Naprienko, A.A. Silaeva

    THE EFFECT OF PROLONGED HEATING ON THE PROPERTIES OF PROTECTIVE COATINGS FOR ALUMINUM ALLOY SYSTEM Al–Si–Mg

    74-80
  • S.P. Konokotin, R.M. Nazarkin

    THЕ TRAVELLING MAGNETIC FIELD OF BIPOLAR ELECTROMAGNETIC INDUCTOR AND ITS INFLUENCE ON THE PROPERTIES OF Cr- AND Ni-BASED POLYCRYSTALLINE ALLOYS. Part 1

    81-88
  • Yu.V. Loshchinin, S.Yu. Shorstov, I.G. Kuzmina

    RESEARCH OF INFLUENCE OF TECHNOLOGY FACTORS ON THERMAL CONDUCTIVITY OF CERAMIC CASTING MOLDS

    89-94
Содержание номера
1.

DOI: 10.18577/2071-9140-2019-0-2-3-11

UDC: 669.018.44

Pages:: 3-11

Yu.A. Bondarenko1

[1] Federal state unitary enterprise «All-Russian Scientific-Research Institute of Aviation Materials» of National Research Center «Kurchatov Institute»

TRENDS IN THE DEVELOPMENT OF HIGH-TEMPERATURE METAL MATERIALS AND TECHNOLOGIES IN THE PRODUCTION OF MODERN AIRCRAFT GAS TURBINE ENGINES

In the present work, the trends in the development of modern high-strength metallic materials and technology for producing loaded parts of aircraft gas turbine engines (GTE) are analized. A steady increase of the efficiency operating parameters of the gas turbine engine requires constant increase in operating temperature and gas pressure in each section of the engine starting with the fan, then the compressor, then the combustion chamber and the turbine. The highest combinations of stresses and temperatures are experienced by the rotating disks and blades of GTE high-pressure turbine. Therefore, now they are made with unique technologies from expensive materials. In the future, it is possible to use eutectic natural composite alloys based on nickel and niobium in the production of GTE blades. Metal materials with their unique set of properties will remain the basis of aviation gas turbine engines.

Keywords: aviation gas turbine engine, gas temperature, heat resistance, directional crystallization, single crystal heat-resistant alloy, hardening phase, natural composite structure, additive technology.

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Полнотекстовая версия
">Full version
2.

DOI: 10.18577/2071-9140-2019-0-2-12-20

UDC: 669.017

Pages:: 12-20

N.N. Trofimenko1, I.Yu. Efimochkin2, I.V. Osin2, R.M. Dvoretskov2

[1] ALL-RUSSIAN SCIENTIFIC RESEARCH INSTITUTE OF AVIATION MATERIALS, admin@viam.ru
[2] Federal state unitary enterprise «All-Russian Scientific-Research Institute of Aviation Materials» of National Research Center «Kurchatov Institute»

THE RESEARCH OF THE POSSIBILITY OF HIGH ENTROPY ALLOY VNbMoTaW PRODUCTION BY MIXING ELEMENTARY POWDERS WITH FURTHER HYBRID SPARK PLASMA SINTERING

The paper considers the possibility of  synthesis of a high-entropy alloy VNbMoTaW by the method of hybrid spark plasma sintering from an equiatomic mixture of elemental powders obtained by dry mixing. The microstructure was examined by scanning electron microscopy, the X-ray microscopic analysis was used to evaluate the elemental composition, and the microhardness of the resulting phases was studied by microdurometric hardness testing. It has been determined that in spite of the influence of sintering temperature on the diffusion processes, a significant unevenness of structure formation is manifested.

Keywords: high entropy alloy, spark plasma sintering, powder metallurgy, diffusion, sintering with liquid phases.

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    27. Oglezneva S.A., Kachenyuk M.N., Portalov M.N. i dr. Issledovaniye diffuzionnykh protsessov pri obychnom i plazmenno-iskrovom spekanii sistem s nanodispersnymi poroshkami [Investigation of Diffusion Processes in Conventional and Plasma-Spark Sintering of Systems with Nanodispersed Powders] // Sovremennyye problemy nauki i obrazovaniya. 2014. №6. Available at: http://science-education.ru/ru/article/view?id=16014 (accessed: December 17, 2018).

    28. Kablov E.N. Innovacionnye razrabotki FGUP «VIAM» GNC RF po realizacii «Strategicheskih napravlenij razvitiya materialov i tehnologij ih pererabotki na period do 2030 goda» [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. №1 (34). S. 3–33. DOI: 10.18577/2071-9140-2015-0-1-3-33.

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DOI: 10.18577/2071-9140-2019-0-2-21-30

UDC: 669.245

Pages:: 21-30

M.N. Letnikov1, B.S. Lomberg1, O.G. Ospennikova1, M.M. Bakradze1

[1] Federal state unitary enterprise «All-Russian Scientific-Research Institute of Aviation Materials» of National Research Center «Kurchatov Institute»

INFLUENCE OF QUENCH RATE ON MICROSTRUCTURE AND MECHANICAL PROPERTIES OF NICKEL-BASED WROUGHT SUPERALLOY VZh175-ID

The influence of the quenching rate on the size of the secondary particles of the strengthening g¢-phase microstructure as well as on the mechanical properties of nickel-based superalloy VZh175-ID has been studied. It was shown, that cooling rate in the temperature range of up to 1000°C has significant effect on mean size of the secondary γ¢-precipitates and their morphology during quenching. There was studied the relationship between the cooling rate, mean size of the secondary γ¢-precipitates and short- and long-term strength of VZh175-ID alloy. The required quenching rate is determined to achieve the desired level of properties: ≥1570 MPa, ≥1175 MPa, life time to rapture is more than 100 hours at temperature 650°C and tension σ=1050 MPa.

Keywords: Ni-based superalloy, quenching, cooling rate, gamma prime, mechanical properties, superalloy VZh175-ID

Reference List

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    24. Kablov E.N. Innovacionnye razrabotki FGUP «VIAM» GNC RF po realizacii «Strategicheskih napravlenij razvitiya materialov i tehnologij ih pererabotki na period do 2030 goda» [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. №1 (34). S. 3–33. DOI: 10.18577/2071-9140-2015-0-1-3-33.

    25. Bakradze M.M., Lomberg B.S., Sidorov S.A., Bubnov M.V. Izgotovleniye krupnogabaritnykh shtampovok diskov GTD iz slitkov promyshlennogo proizvodstva Æ320 mm splava EK151-ID [Method of large-sized deformed turbine discs manufacturing from EK151-ID industrial ingots with limited diameter (320 mm)] // Trudy VIAM: elektron. nauch.-tehnich. zhurn. 2017. №6 (54). St. 02. Available at: http://www.viam-works.ru (accessed: November 07, 2018). DOI: 10.18577/2307-6046-2017-0-6-2-2.

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DOI: 10.18577/2071-9140-2019-0-2-31-39

UDC: 669.017:669.715

Pages:: 31-39

N.V. Bulina, A.G. Malikov1, А.М. Orishich, G.G. Klochkov2

[1] Federal State Budgetary Institution Khristianovich institute of theoretical and applied mechanics Siberian Branch of Russian Academy of Sciences
[2] Federal state unitary enterprise «All-Russian Scientific-Research Institute of Aviation Materials» of National Research Center «Kurchatov Institute»

RESEARCH OF THE STRUCTURAL-PHASE COMPOSITION OF LASER WELD JOINT DEPENDING ON THE THERMAL PROCESSING OF THE ALUMINUM ALLOY V-1469

The effect of heat treatment on the structural-phase composition of a welded joint of the aluminum-lithium alloy V-1469 obtained by laser welding was studied. As a result it is shown that heat treatment of the base alloy leads to a change in the lattice parameters and crystal size. Complete heat treatment leads to the restoration of the structural characteristics of the alloy to the initial values. It is shown that the change in the strength of samples of alloy V-1469 after welding and heat treatment is not due to the absence or presence of impurity hardening intermetallide phases, but is due to the spatial distribution of these phases.

Keywords: laser welding, aluminum-lithium alloy, structural-phase composition, microstructure, heat treatment.

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DOI: 10.18577/2071-9140-2019-0-2-40-46

UDC: 677.1

Pages:: 40-46

A.V. Istomin1, S.G. Kolyshev

[1] Federal State Unitary Enterprise «All-Russian Scientific Research Institute of Aviation Materials»

ELECTROSTATIC METHOD OF FORMING ULTRATHIN FIBERS OF REFRACTORY OXIDES

The paper discusses an innovative method of production of ultrafine fibers by electroforming from a free surface. The possibility of using the solutions used in traditional methods of production of high-temperature ceramic fibers is shown. The main parameters of the process are defined. Zero-defect ultrathin oxide fibers were obtained by high-temperature processing technology which is used for micron-sized material. A comparative analysis of fibers produced by various methods is conducted.

Keywords: electroforming, ultrathin fibers, microstructure, high-temperature processing, oxide high-temperature fibers, heat-shielding materials.

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    15. Balinova Yu.A., Kiriyenko T.A. Nepreryvnyye vysokotemperaturnyye oksidnyye volokna dlya teplozashchitnykh, teploizolyatsionnykh i kompozitsionnykh materialov [Continuous high-temperature oxide fibers for heat-shielding, heat-insulating and composite materials] // Vse materialy. Entsiklopedicheskiy spravochnik. 2012. №4. S. 24–29.

    16. Lukanina K.I., Shepelev A.D., Budyka A.K. Polucheniye sverkhtonkikh volokon iz L- i D,L-izomerov polilaktida metodom elektroformovaniya [Obtaining ultrathin fibers from L- and D, L-isomers of polylactide by electrospinning] // Khimicheskiye volokna. 2011. №5. S. 8–13.

    17. Huang Z.M., Zhang Y.Z., Ramakrishna S., Lim C.T. Electrospinning and mechanical characterization of gelatin nanofibers // Polymer. 2004. Vol. 45. No. 15. P. 5361–5368.

    18. Inai R., Kotaki M., Ramakrishna S. Structure and property of electrospun PLLA single nanofibers // Nanotechnology. 2005. Vol. 16. No. 2. P. 208–213.

    19. Budnitskiy G.A. Polimernyye volokna tretyego pokoleniya: razrabotki, svoystva, primeneniye [Polymer fibers of the third generation: development, properties, application] // Tekhnicheskiy tekstil'. 2004. №10. URL: http://www.rustm.net/catalog/article/397.html (data obrashcheniya: 21.01.2019).

    20. Matveyev A.T., Afanasov I.M. Polucheniye nanovolokon metodom elektroformovaniya: ucheb. posobiye [Production of nanofibers by electroforming: tutorial]. M.: MGU im. M.V. Lomonosova, 2010. 83 s.

    21. Filatov Yu.N. Elektroformovaniye voloknistykh materialov (EFV-protsess) [Electroforming of fibrous materials (EPI-process)]. M.: GNTS RF NIFKhI im. L.Ya. Karpova, 2001. 231s.

    22. Balinova Yu.A., Shheglova T.M., Lyulyukina G.Yu., Timoshin A.S. Osobennosti formirovaniya α-Al2O3 v polikristallicheskih voloknah s soderzhaniem oksida alyuminiya 99% v prisutstvii dobavok Fe2O3, MgO, SiO2 [Features of formation α-Al2O3 in polycrystalline fibers containing 99% alumina doped with Fe2O3, MgO, SiO2] // Trudy VIAM: elektron. nauch.-tehnich. zhurn. 2014. №3. St. 03. Available at: http://www.viam-works.ru (accessed: February 12, 2019). DOI: 10.18577/2307-6046-2014-0-3-3-3.

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DOI: 10.18577/2071-9140-2019-0-2-47-52

UDC: 678.067.5

Pages:: 47-52

V.N. Mosiyuk1, O.V.Tomchani

[1] Joint-Stock Company «Obninsk Research and Production Enterprise «Technologiya» named after A.G. Romashin»

EVALUATION OF PROPERTIES OF GLASS-FIBRE-REINFORCED PLASTICS BASED ON EPOXYBISMALEIMIDE RESIN, PRODUCED BY DIFFERENT NON-AUTOCLAVE MOLDING TECHNIQUES

The polymer composite materials producers strive to reduce the labour intensity of production process and thus to reduce the final cost of the products. It leads to the refusal from using the   traditional autoclave molding in favor of alternative technologies.  At present there is a number of resins developed for certain non-autoclave moulding techniques. We find it promising to develop the binder on the basis of which it will be possible to produce the high-quality composite polymer materials by various formation techniques.

Keywords: polymer composite materials, resin, non-autoclave moulding

Reference List

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    10. Timoshkov P.N., Khrulkov A.V., Yazvenko L.N., Usacheva M.N. kompozotsionnye materialy dlya bezavtoklavnoy tekhnologii (obzor) [Composite materials for non-autoclave technology (review)] // Trudy VIAM: elektron. nauch.-tekhnich. zhurn. 2018. №3 (63). St. 05. Available at: http://www.viam-works.ru (accessed: April 22, 2019). DOI: 10.18577/2307-6046-2018-0-3-37-48.
    11. Dushin M.I., Hrulkov A.V., Muhametov R.R. Vybor tehnologicheskih parametrov avtoklavnogo formovaniya detalej iz polimernyh kompozicionnyh materialov [A choice of technological parameters of autoclave formation of details from polymeric composite materials] // Aviacionnye materialy i tehnologii. 2011. №3. S. 20–26.
    12. Dushin M.I., Hrulkov A.V., Karavaev R.Yu. Parametry, vliyayushhie na obrazovanie poristosti v izdeliyah iz polimernyh kompozicionnyh materialov, izgotavlivaemyh bezavtoklavnymi metodami (obzor) [Parameters that influence the formation of porosity in the products made of polymer composite materials (PCM) produced by out-of-autoclave methods (review)] // Trudy VIAM: elektron. nauch.-tehnich. zhurn. 2015. №2. St. 11. Available at: http://www.viam-works.ru (accessed: April 22, 2019). DOI: 10.18577/2307-6046-2015-0-2-10-10.
    13. Generalov A.S., Murashov V.V., Dalin M.A., Bojchuk A.S. Diagnostika polimernyh kompozitov ultrazvukovym reverberacionno-skvoznym metodom [Diagnostics of polymeric composites by ultrasonic reverberation transparent method] // Aviacionnye materialy i tehnologii. 2012. №1. S. 42–47.
    14. Dushin M.I., Doneckij K.I., Karavaev R.Yu. Ustanovlenie prichin obrazovaniya poristosti pri izgotovlenii PKM [Identification of the reasons of porosity formation when manufacturing composites] // Trudy VIAM: elektron. nauch.-tehnich. zhurn. 2016. №6 (42). St. 08. Available at: http://www.viam-works.ru (accessed: April 22, 2019). DOI: 10.18577/2307-6046-2016-0-6-8-8.
    15. Gusev Yu.A., Grigor'ev M.M., Timoshina L.N. Izgotovlenie etalonnyh obrazcov iz PKM s zadannoj poristostyu metodom vakuumnoj infuzii [Production of standard polymer composite samples with the set porosity by vacuum infusion] // Trudy VIAM: elektron. nauch.-tehnich. zhurn. 2014. №11. St. 06. Available  at: http://www.viam-works.ru (accessed: April 22, 2019). DOI: 10.18577/2307-6046-2014-0-11-6-6.

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DOI: 10.18577/2071-9140-2019-0-2-53-59

UDC: 621.7.07

Pages:: 53-59

A.N. Lopatin, I.D. Zverkov

SHAPING MOLDING TOOLS PRODUCTION FOR COMPOSITE PARTS BY MEANS OF ADDITIVE TECHNOLOGIES

The article describes a method of manufacturing shaping molding tools by 3D-printing using the light multipurpose aircraft as an example. The construction of the lower surface wing matrix of this aircraft, designed for the manufacture by 3D-printing is described. FDM and PolyJet 3D-printing technologies are described. There are compared the manufacturing charges for the production of shaping molding tools by means of milling and 3D-printing. The economic effect of the introduction of 3D-printing into the manufacture of shaping molding tools is considered. Also, the advantages, problems and characteristic features of FDM and PolyJet technologies are indicated.

Keywords: 3D-printing, additive technologies, equipment, FDM, PolyJet.

Reference List

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DOI: 10.18577/2071-9140-2019-0-2-60-67

UDC: 621.357.7

Pages:: 60-67

R.K. Salakhova1, A.B. Tikhoobrazov1

[1] Federal state unitary enterprise «All-Russian Scientific-Research Institute of Aviation Materials» of National Research Center «Kurchatov Institute»

THERMAL RESISTANCE OF ELECTROLYTIC CHROMIUM COATINGS

The paper presents the results of a study of heat resistance of the chromium coatings obtained in different electrolytes of chromium plating, during cyclic heat treatment at 400, 650 and 800°C. The influence of high temperature effects on the degree of reduction of the microhardness of chromium platings has been  studied and the critical temperature of its degradation has been determined. It is shown that the alloying of chrome-molybdenum coatings ensures high durability chrome-molybdenum coatings for temperature action up to 650°C. Metallographic investigations of the structure of the chromium coatings after their heat treatment at a temperature of 650°C during the complete testing cycle. The results of testing the heat resistance of chromium coatings by the gravimetric method are presented.

Keywords: chrome plating, chrome plating electrolyte, heat resistance, heat treatment, molybdenum compounds, adhesion, microhardness.

Reference List

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    3. Kablov E.N. Innovacionnye razrabotki FGUP «VIAM» GNC RF po realizacii «Strategicheskih napravlenij razvitiya materialov i tehnologij ih pererabotki na period do 2030 goda» [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. №1 (34). S. 3–33. DOI: 10.18577/2071-9140-2015-0-1-3-33.

    4. Vinogradov S.S. Sozdaniye ekologicheski bezopasnogo galvanoproizvodstva na osnove ratsionalizatsii vodootvedeniya i reagentnogo metoda ochistki stokov [Creation of environmentally safe electroplating based on the rationalization of water disposal and reagent method of wastewater treatment] // Galvanotekhnika i obrabotka poverkhnosti. 2009. T. 17. №3. S. 24–29.

    5. Tyurikov E.V., Tihoobrazov A.B., Salahova R.K. Issledovanie svojstv razbavlennogo samoreguliruyushhegosya elektrolita hromirovaniya, soderzhashhego nanorazmernye chasticy oksida alyuminiya [Research of properties of the diluted self-regulating chromium plating electrolyte with nano-scale aluminum oxide particles] // Trudy VIAM: elektron. nauch.-tehnich. zhurn. 2015. №6. St. 06. Available at: http://www.viam-works.ru (accessed: April 07, 2016). DOI: 10.18577/2307-6046-2015-0-6-6-6.

    6. Salakhova R.K. Khromirovaniye v elektrolite, soderzhashchem soli trekhvalentnogo khroma i nanoporoshki, kak alternativa khromirovaniyu iz standartnykh elektrolitov [Chromium plating in electrolyte containing trivalent chromium salts and nanopowders as an alternative to chromium plating from standard electrolytes] // Izvestiya Samarskogo nauchnogo tsentra RAN. 2008. T. 1. Spetsvyp. S. 77–82.

    7. Pavlov L.N., Vetlugin N.A., Kudryavtsev V.N. Elektroosazhdeniye splava Cr–W [Electrodeposition of Cr–W Alloy] // Uspekhi v khimii i khimicheskoy tekhnologii. 2013. T. 27. S. 59–63.

    8. Gadalov V.N., Serebrovskiy V.V., Shcherenkova I.S. i dr. Struktura i svoystva elektroliticheskikh khromovykh pokrytiy s ultradispersnym sverkhtverdym napolnitelem [Structure and Properties of Electrolytic Chromium Coatings with Ultrafine Superhard Filler] // Vestnik MGTU im. G.I. Nosova. 2016. T. 14. №3. S. 39–45.

    9. Vodopyanova S.V., Mingazova G.G., Fomina R.E. Vliyaniye organicheskoy dobavki na protsess khromirovaniya s nanochastitsami Al2O3 [The influence of organic additives on the process of chromium plating with Al2O3 nanoparticles] // Vestnik Kazanskogo tekhnologicheskogo universiteta. 2011. №11. S. 191–195.

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    12. Vinogradov S.S., Demin S.A. Termostoykoye zashchitnoye neorganicheskoye kompozitsionnoye pokrytiye [Heat-resistant protective inorganic composite coating] // Perspektivnyye materialy. 2013. №12. S. 19–24.

    13. Boldyrev A.I., Zhachkin S.Yu., Boldyrev A.A., Penkov N.A. Polucheniye khromovykh pokrytiy s zadannymi svoystvami metodom galvanokontaktnogo osazhdeniya [Obtaining chromium coatings with desired properties by galvanic contact deposition] // Vestnik Voronezhskogo gosudarstvennogo tekhnicheskogo universiteta. 2012. T. 8. №12-1. S. 12–16.

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    17. Kablov E.N., Muboyadzhyan S.A. Erozionnostoykiye pokrytiya dlya lopatok kompressora gazoturbinnykh dvigateley [Erosion-resistant coatings for compressor blades for gas turbine engines] // Elektrometallurgiya. 2016. №10. S. 23–38.

    18. Gayamov A.M., Budinovskij S.A., Muboyadzhyan S.A., Kosmin A.A. Vybor zharostojkogo pokrytija dlya zharoprochnogo nikelevogo renij-rutenijsoderzhashhego splava marki VZhM4 [Selection of heat-resistant coating with metalloceramic barrier layer for protection of Re-Ru nickel-based superalloy] // Trudy VIAM : elektron. nauch.-tehnich. zhurn. 2014. №1. St. 01. Available at: http://viam-works.ru (accessed: January 24, 2019). DOI: 10.18577/2307-6046-2014-0-1-1-1.

    19. Budinovskij S.A., Smirnov A.A., Matveev P.V., Chubarov D.A. Razrabotka teplozashhitnyh pokrytij dlja rabochih i soplovyh lopatok turbiny iz zharoprochnyh i intermetallidnyh splavov [Development of thermal barrier coatings for rotor and nozzle turbine blades made of nickel-base super- and intermetallic alloys] // Trudy VIAM: elektron. nauch.-tehnich. zhurn. 2015. №4. St. 05. Available at: http://www.viam-works.ru (accessed: January 24, 2019). DOI: 10.18577/2307-6046-2015-0-4-5-5.

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DOI: 10.18577/2071-9140-2019-0-2-68-73

UDC: 621.793

Pages:: 68-73

V.S. Denisova1, G.A. Malinina1, O.V. Vlasova1, A.Yu. Vinogradova

[1] Federal state unitary enterprise «All-Russian Scientific-Research Institute of Aviation Materials» of National Research Center «Kurchatov Institute»

THE INFLUENCE OF SILICON TETRABORIDE ADDITIVES ON PROPERTIES OF HEAT-RESISTANT COATINGS FOR NICKEL ALLOYS PROTECTION

Silicon tetraboride SiB4 is a promising material for use in composite high-temperature materials and coatings. The introduction of SiB4 into the composition of erosion-resistant coatings for thermal protection of the orbital ship «Buran» made it possible to ensure their high erosion resistance, temperature resistance and reflectivity. The actual direction in the field of creation of high-temperature coatings is the development and research of heat-resistant coatings with additives of silicon tetraboride for the protection of heat-resistant nickel alloys.

Keywords: glass, silicon tetraboride, coating, heat-resistant nickel alloys, high-temperature gas corrosion, reaction curing.

Reference List

    1. Kablov E.N. Innovacionnye razrabotki FGUP «VIAM» GNC RF po realizacii «Strategicheskih napravlenij razvitiya materialov i tehnologij ih pererabotki na period do 2030 goda» [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. №1 (34). S. 3–33. DOI: 10.18577/2071-9140-2015-0-1-3-33.

    2. Kablov E.N., Solntsev S.S., Rozenenkova V.A., Mironova N.A. Sovremennyye polifunktsionalnyye vysokotemperaturnyye pokrytiya dlya nikelevykh splavov, uplotnitel'nykh metallicheskikh materialov i berilliyevykh splavov [Modern polyfunctional high-temperature coatings for nickel alloys, sealing metal materials and beryllium alloys] // Novosti materialovedeniya. Nauka i tekhnika: elektron. nauch.-tekhnich. zhurn. 2013. №1. St. 05. Available at: http://www.materialsnews.ru (accessed: February 03, 2019).

    3. Solntsev S.S., Rozenenkova V.A., Mironova N.A., Soloveva G.A. Vysokotemperaturnye pokrytiya dlya voloknistyh substratov [High-temperature coatings for fibers substratum] // Trudy VIAM: elektron. nauch.-tehnich. zhurn. 2013. №10. St. 03. Available at: http://www.viam-works.ru (accessed: February 03, 2019).

    4. Kablov E.N. Iz chego sdelat budushcheye? Materialy novogo pokoleniya, tekhnologii ikh sozdaniya i pererabotki – osnova innovatsiy [What to make the future from? Materials of the new generation, technologies of their creation and processing - the basis of innovation] // Krylya Rodiny. 2016. №5. S. 8–18.

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    10. Solntsev St.S. Nekotoryye osobennosti pokrytiy dlya plitok mnogorazovoy teplozashchity orbital'nykh kosmicheskikh korabley // Trudy VIAM: elektron. nauch.-tekhnich. zhurn. 2014. №2. St. 01. URL: http://www.viam-works.ru (data obrashcheniya: 09.02.2019). DOI: 10.18577/2307-6046-2014-0-2-1-1.

    11. Solncev S.S., Denisova V.S., Rozenenkova V.A. Reakcionnoe otverzhdenie – novoe napravlenie v tehnologii vysokotemperaturnyh kompozicionnyh pokrytij i materialov [Reaction cure – the new direction in technology ofhigh-temperature composite coatings and materials] // Aviacionnye materialy i tehnologii. 2017. №S. S. 329–343. DOI: 10.18577/2071-9140-2017-0-S-329-343.

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DOI: 10.18577/2071-9140-2019-0-2-74-80

UDC: 66.017

Pages:: 74-80

A.A. Kozlova1, V.A. Kuznetsova1, I.A. Kozlov1, S.A. Naprienko1, A.A. Silaeva2

[1] Federal state unitary enterprise «All-Russian Scientific-Research Institute of Aviation Materials» of National Research Center «Kurchatov Institute»
[2] Federal State Unitary Enterprise «All-Russian Scientific Research Institute of Aviation Materials»

THE EFFECT OF PROLONGED HEATING ON THE PROPERTIES OF PROTECTIVE COATINGS FOR ALUMINUM ALLOY SYSTEM Al–Si–Mg

 

The work is devoted to the analysis of protection efficiency of nonmetallic inorganic coatings and systems of the paint coatings used for the protection of products made from aluminum alloys, at high temperatures. Change of structure of nonmetallic inorganic coatings and paint coating systems using raster electron microscopy and impedance spectroscopy is analised. The conducted researches of long thermal impact on adhesion of systems of paint coatings to the aluminum alloy samples allowed to evaluate quality of interrelation of different layers of system of protecting coatings.

Keywords: corrosion, aluminum alloys, conversion coatings, anodic oxidation, paint coatings, electrochemical tests.

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DOI: 10.18577/2071-9140-2019-0-2-81-88

UDC: 669.017

Pages:: 81-88

S.P. Konokotin1, R.M. Nazarkin1

[1] ALL-RUSSIAN SCIENTIFIC RESEARCH INSTITUTE OF AVIATION MATERIALS, admin@viam.ru

THЕ TRAVELLING MAGNETIC FIELD OF BIPOLAR ELECTROMAGNETIC INDUCTOR AND ITS INFLUENCE ON THE PROPERTIES OF Cr- AND Ni-BASED POLYCRYSTALLINE ALLOYS. Part 1

For the increase of physical and mechanical properties of the Cr- and Ni-based alloys by technique of equiaxial solidification in the traveling magnetic field the design of the bipolar cylindrical electromagnetic inductor is studied. The application of the proposed design of electromagnetic inductor is provided at the solidification of alloys: change of alloy microstructure, formation of directional crystallographic structure in the castings, change of phase composition and increase of heat resistance at 1250°C.

Keywords: bipolar electromagnetic inductor, traveling magnetic field, Cr-based alloys, Ni-based alloys, alloy solidification, crystallographic texture, x-ray diffraction analysis, mechanical properties.

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DOI: 10.18577/2071-9140-2019-0-2-89-94

UDC: 66.017:666.7

Pages:: 89-94

Yu.V. Loshchinin1, S.Yu. Shorstov1, I.G. Kuzmina1

[1] Federal state unitary enterprise «All-Russian Scientific-Research Institute of Aviation Materials» of National Research Center «Kurchatov Institute»

RESEARCH OF INFLUENCE OF TECHNOLOGY FACTORS ON THERMAL CONDUCTIVITY OF CERAMIC CASTING MOLDS

Thermal conductivity thick heterogeneous by structure of materials of ceramic forms is determined by the laser flash method. There was measured the thermal diffusivity and apparent density of samples of 3 mm thickness received by a division of the samples of 6 mm thickness into two halves. The general thermal conductivity was calculated based on two-layer model using the earlier published data of heat capacity of corundum-based materials. The received results prove that impregnation by the hydrolyzed solution of ETS-40 ethyl silicate after roasting at 1150°С made for strengthening purpose has no influence on the thermal conductivity of the samples materials; the tests results show the significant effect on increase of the thermal conductivity for 18% at average with growth of roasting temperature (after bending test at 1600°С). More essential influence of high-porous structure of the outside layers on the general thermal conductivity of a ceramic form is determined.

Keywords: fire-resistant ceramic forms, heat capacity, thermal diffusivity, thermal conductivity, laser flash method, adiabatic calorimeter, two-layer model.

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    2. Ospennikova O.G. Strategiya razvitiya zharoprochnyh splavov i stalej specialnogo naznacheniya, zashhitnyh i teplozashhitnyh pokrytij [Strategy of development of hot strength alloys and steels special purpose, protective and heat-protective coverings] // Aviacionnye materialy i tehnologii. 2012. №S. S. 19–36.

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    4. Kablov E.N., Lopatin S.I., Stolyarova V.L., Folomeykin Yu.I. Mass-spektrometricheskoye issledovaniye ispareniya keramiki vysshey ogneupornosti [Mass spectrometry study of the evaporation of high refractory ceramics] // Doklady Akademii nauk. 2015. T. 463. №1. S. 63.

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