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Aviation materials and technologies №1, 2010

Contents

  • L.L. Krasnov, Z.V. Kirina

    Materials providing thermal protection of structural elements during their short-term and long-term operation at the temperature of 260°C

  • I.A. Treninkov, A.A. Alekseev, S.N. Polyakov

    Method of determination of residual stress in monocrystals of nickel superalloys using diffractometer of wide application with Cu Kβ-radiation

  • S.S. Solntsev, V.A. Rozenenkova, N.A. Mironova, V.S. Kaskov

    Comprehensive system of beryllium oxidation protection

  • N.E. Uvarova, D.V. Graschenkov, N.E. Isaeva, L.A. Orlova, P.D. Sarkisov

    High-temperature radio-transparent materials: today and tomorrow

  • V.A. Bogatov, T.S. Trigub, I.V. Mekalina, M.K. Aizatulina

    Evaluation of performance characteristics of new VOS-1 and VOS-2 heat-resistant organic glasses

  • S.S. Solntsev, V.V. Shvagireva, N.V. Isaeva, G.A. Solovieva

    Reinforced heat-resistant glass-enamels for combustion chambers of gas-turbine engines

  • L.V. Semenova, E.K. Kondrashov

    VL-18 modified bromine-epoxy varnish for protection of polymer composite materials

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L.L. Krasnov1, Z.V. Kirina

[1] Federal state unitary enterprise «All-Russian scientific research institute of aviation materials

Materials providing thermal protection of structural elements during their short-term and long-term operation at the temperature of 260°C

The work covers the research of properties of the heat-proof paste. The paste consists of semi-products of paste and hardener. The produced paste is applied onto the surface with a brush or a spatula. The article includes the data on physical and thermophysical properties of VTI-3 material. The special attention is dedicated to researching of thermophysical properties of fire-proof paste

Keywords: heat-proof pastes

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    I.A. Treninkov1, A.A. Alekseev2, S.N. Polyakov

    [1] Federal State Unitary Enterprise «All-Russian Scientific Research Institute of Aviation Materials»
    [2] Federal state unitary enterprise «All-Russian Scientific-Research Institute of Aviation Materials» of National Research Center «Kurchatov Institute» State research center of the Russian Federation, admin@viam.ru

    Method of determination of residual stress in monocrystals of nickel superalloys using diffractometer of wide application with Cu Kβ-radiation

    Presented here is the method of determination of residual stresses separately in γ and γ´ phases of monocrystals of nickel superalloys of complex composition using non-destructive x-ray method (at the same time the periods of lattices of these phases are independently determined).

    Keywords: monocrystal,stress,X-ray

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      S.S. Solntsev1, V.A. Rozenenkova, N.A. Mironova2, V.S. Kaskov2

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

      Comprehensive system of beryllium oxidation protection

      The work deals with the development of reliable beryllium protection system against oxidation and its toxic oxides sublimation during the high-temperature heating. The results of research on oxidation kinetics of beryllium with no coating, with passivating film, and complex coating at the temperature of heating up to 900°С during 50 hours are included. The effectiveness of application of complex coating consisting of passivating layer and heat-resistant coating of SiO2-B2O3-R2O is shown.

      Keywords: beryllium protection system,passivating film,protective heat-resistant coating,oxidation kinetics,synthesis,temperature resistance,thermal linear expansion coefficient

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        N.E. Uvarova, D.V. Graschenkov1, N.E. Isaeva, L.A. Orlova2, P.D. Sarkisov

        [1] Federal state unitary enterprise «All-Russian Scientific-Research Institute of Aviation Materials» of National Research Center «Kurchatov Institute»
        [2] Dmitry Mendeleev University of Chemical Technology of Russia

        High-temperature radio-transparent materials: today and tomorrow

        The work presents an overview of radio-transparent materials which are widely applied both in Russia and abroad. The perspective materials of this kind are described, as well as the developmental work that is currently done. The projection of further development of radio-transparent materials is included.

        Keywords: radio-transparent materials,glass-ceramic materials,pyroceramics,ceramics

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          V.A. Bogatov1, T.S. Trigub, I.V. Mekalina2, M.K. Aizatulina2

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

          Evaluation of performance characteristics of new VOS-1 and VOS-2 heat-resistant organic glasses

          The organic glasses are applied for the production of airplane cockpit window parts. New polymer structured organic glasses of VOS-1 and VOS-2 brands developed in VIAM in cooperation with Scientific Research Institute of Polymers are operable at the short-term one-sided heating up to temperatures of 160-200°С due to high temperature-resistance. New testing methods developed in VIAM are applied for the research of operability and key characteristics of new organic glasses.

          Keywords: organic glasses,airplane cockpit windows,structured glasses,temperature-resistance,cracking-resistance,operability

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            S.S. Solntsev1, V.V. Shvagireva, N.V. Isaeva, G.A. Solovieva

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

            Reinforced heat-resistant glass-enamels for combustion chambers of gas-turbine engines

            The research was executed on the influence of reinforcement of glass-enamel coatings with inorganic fibers on their properties. The research results on the fundamental possibility of production of reinforced coatings with homogeneous temperature- stable structure and high thermo-mechanical properties are included.

            Keywords: glass-enamel coating,quartz fiber,reinforcement,structure,phase structure,thermo-mechanical properties

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              L.V. Semenova1, E.K. Kondrashov1

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

              VL-18 modified bromine-epoxy varnish for protection of polymer composite materials

              Functional varnish-and-paint coatings are used for the protection of items of polymer composite materials (PCMs) from environmental factors, moisture, chemical agents, combustive and lubricating materials, biological factors. The application of modified bromine-epoxy oligomers in varnish-and-paint compositions allows to reduce significantly water absorption and vapour permeability of coatings. The developed VL-18 epoxy varnish has four-five times reduced water absorption and vapour permeability properties as compared to EP-730 varnish, at the same time having high adhesive, physico-mechanical, and protective properties of varnish-and-paint coatings.

              Keywords: water absorption,varnish-and-paint coatings,adhesion

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