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Aviation materials and technologies №S2, 2013

Contents

  • E.N. Kablov, O.G. Ospennikova, A.V. Vershkov

    Rare metals and rare-earth elements are materials for modern and future high technologies

    3-10
  • E.F. Chirkov

    Weakening rate under heating is the evaluation criterion of heat resistance of Al‒Cu‒Mg and Al‒Cu structural alloys

    11-19
  • E.F. Chirkov, L.A. Kononova, V.S. Shmelyova

    Effect of equiatomic Cu and Mg content on ageing processes of 1151 (Al−Cu−Mg) high-temperature weldable structural alloy

    20-24
  • S.V. Sibileva, S.A. Karimova

    Surface treatment of titanium alloys to provide adhesion properties

    25-35
  • S.V. Gnedenkov, M.V. Sidorova, S.L. Sinebryukhov, V.V. Antipov, V.M. Buznik, E.F. Volkova, V.I. Sergienko

    Structure and properties of coatings manufactured on aviation magnesium alloys by plasma electrolytic oxidation method

    36-45
  • Yu.V. Nemirovsky, S.F. Pyataev

    Limit thermoplastic deformation of unidirectional fibrous metal composites

    46-53
  • A.V. Grinevich, A.P. Petrova

    Joining of heterogeneous materials used for parts subjected to pulse loadings

    54-57
  • V.G. Zheleznyak, R.R. Mukhametov, L.V. Chursova

    Study of possibility of thermoset binder creation for operating temperature up to 400°C

    58-61
  • V.S. Erasov, R.R. Bayramukov

    Influence of time factor in mechanical testing, data processing and presentation of results

    62-67
  • V.A. Efimov, A.K. Shvedkova, T.G. Koren’kova, V.N. Kirillov

    Investigation of polymer composite materials under effect of climatic factors and loads in laboratory and environmental conditions

    68-73
  • A.M. Medvedev

    Investigation of thermal loading effect on avionics composite materials

    74-80
  • A.S. Titareva, V.N. Kirillov, O.V. Startsev

    Behaviour of materials in structural components of aeronautical engineering, manufactured using PCM and PC systems under conditions of temperate thermal climate

    81-85
Содержание номера
1.

DOI:

UDC: 669.85

Pages:: 3-10

E.N. Kablov1, O.G. Ospennikova1, A.V. Vershkov2

[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

Rare metals and rare-earth elements are materials for modern and future high technologies

The article is devoted to various aspects of the application of rare metals and rare-earth elements (REE) in the development of new aviation materials. The results of studies on the effect REE on structural properties of various classes of aviation materials: aluminum alloys, casting and wrought superalloys, heat-resistant and heat-protective coatings, magnetically hard materials, high-strength structural steels are presented. The conclusion is made about the need of restoration and advanced development of rare-earth industry of Russia and basic elements of the state support of this task are formulated.

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    2.

    DOI:

    UDC: 669.018.44:669.018.29

    Pages:: 11-19

    E.F. Chirkov1

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

    Weakening rate under heating is the evaluation criterion of heat resistance of Al‒Cu‒Mg and Al‒Cu structural alloys

    Actual values of mechanical properties of sheets of 2‒3 mm thickness at the temperature of 20 and 100‒350°C (static tension) are given for basic commercial wrought structural alloys of Al‒Cu‒Mg and Al‒Cu systems (1151, D19, D16, AK4-1, D21 and 1201 alloys). The scatter in heat resistance values of alloys at 100‒350°C is explained on the base of the analysis of their alloying, phase compositions and diffusion process specific character. The weakening rate under heating, as the universal criterion is proposed for a comparative evaluation of alloy heat resistance. Besides, a calculation method of the weakening rate values (integrated and differential ones) is also presented.A comparison of alloy weakening rates will allow to choose a material on the well-founded base for new types of structures susceptible to heating. As compared to existing structural Al-base alloys, 1151 alloy actually possesses an advantageous heat resistance.

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      3.

      DOI:

      UDC: 669.018.44:669.715

      Pages:: 20-24

      E.F. Chirkov1, L.A. Kononova2, V.S. Shmelyova3

      [1] ALL-RUSSIAN SCIENTIFIC RESEARCH INSTITUTE OF AVIATION MATERIALS, admin@viam.ru
      [2] JSC "STUPINO METALLURGICAL COMPANY", info@smk.ru
      [3] JSC "MIC "NPO MASHINOSTROYENIA", vpk@npomash.ru

      Effect of equiatomic Cu and Mg content on ageing processes of 1151 (Al−Cu−Mg) high-temperature weldable structural alloy

      The results of study of Cu and Mg equiatomic content effect on a diffusion character of atoms in a-solid solution crystal lattice at 20°C and ageing processes of Al−Cu−Mg high-temperature weldable structural alloy are given. A positive effect of specificity of alloying and diffusion processes of 1151 alloy on suitability for processing under manufacture of structures and product reliability improvement is also marked. The group of new types of alloys, in particular, Al−Cu−Mg system is proposed to be designated as «alloys of equiatomic type» (AET).

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        4.

        DOI:

        UDC: 620.1:669.295

        Pages:: 25-35

        S.V. Sibileva1, S.A. Karimova2

        [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» of National Research Center «Kurchatov Institute» State research center of the Russian Federation, admin@viam.ru

        Surface treatment of titanium alloys to provide adhesion properties

        Various methods of titanium alloys surface treatment which enhance bond strength and durability of titanium-titanium, titanium-composite adhesive joints when exposed to elevated temperatures and humidity have been considered in this review. Both traditional methods of surface treatment such as acid etching or anodisation and novel plasma spray and laser treatments have been discussed. The influence of titanium alloys treatment on physical-chemical properties, joint strength and durability of adhesive joints have been analyzed.

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          5.

          DOI:

          UDC: 669.721’71’5’’857:621.762.224

          Pages:: 36-45

          S.V. Gnedenkov1, M.V. Sidorova1, S.L. Sinebryukhov1, V.V. Antipov2, V.M. Buznik3, E.F. Volkova2, V.I. Sergienko1

          [1] INSTITUTE OF CHEMISTRY, FEB RAS, chemi@ich.dvo.ru
          [2] Federal state unitary enterprise «All-Russian Scientific-Research Institute of Aviation Materials» of National Research Center «Kurchatov Institute»
          [3] Institute of Metallurgy and Material Science, RAS, imet@imet.ac.ru

          Structure and properties of coatings manufactured on aviation magnesium alloys by plasma electrolytic oxidation method

          Methods of the coatings formation, including composition coatings, using fluoropolymer materials for increasing corrosion and mechanical properties of wrought magnesium alloys applied in aviation have been developed. It was established that the basic PEO-layer has a thermal resistance up to 500°С. Composite coating increases a resistance of charge transfer by five orders of magnitude as compared with a bare magnesium alloy, decreases a friction coefficient down to 0,04 and improves protective properties, enhancing a practical use of magnesium alloys.

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            6.

            DOI:

            UDC: 539.4.011: 539.4.015

            Pages:: 46-53

            Yu.V. Nemirovsky1, S.F. Pyataev2

            [1] KHRISTIANOVICH INSTITUTE OF THEORETICAL AND APPLIED MECHANICS SB RAS, nemirov@itam.nsc.ru
            [2] INSTITUTE OF COMPUTATIONAL MODELLING SB RAS, psf@icm.krasn.ru

            Limit thermoplastic deformation of unidirectional fibrous metal composites

            On the basis of structural approach the criterion of durability of the double-periodic unidirectional composite material depending on temperature is established. Laws of averaging of micro-pressure on the volume of periodical elements and conditions of displacements continuity on the boundary between them have been performed.

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              7.

              DOI:

              UDC: 667.621.262.2:629.7.018.4

              Pages:: 54-57

              A.V. Grinevich1, A.P. Petrova1

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

              Joining of heterogeneous materials used for parts subjected to pulse loadings

              The problem of joining of heterogeneous materials used in constructions subjected to pulse loadings is studied. It was stated that a conventional approach to a selection of high-strength adhesive does not ensure the required level of workability of adhered joints. A joining technique based on application of adhering layer with a high deformation capacity is offered. It was verified experimentally that a behavior of structures under pulse loading depends on the elasto-plastic properties of materials subjected to joining.

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                8.

                DOI:

                UDC: 678.8

                Pages:: 58-61

                V.G. Zheleznyak1, R.R. Mukhametov2, L.V. Chursova1

                [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

                Study of possibility of thermoset binder creation for operating temperature up to 400°C

                A composition based on tetracarboxylic acid nitril was considered. The effect of synthesis conditions of the composition on physical-chemical and processing properties was investigated.

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                  9.

                  DOI:

                  UDC: 620.1

                  Pages:: 62-67

                  V.S. Erasov1, R.R. Bayramukov2

                  [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

                  Influence of time factor in mechanical testing, data processing and presentation of results

                  The influence of time factor in mechanical testing (tensile tests as an example) was shown starting from the first test-machine manufacture till present. A transfer from 1D to 3D presentation of testing procedure, data processing and logging was shown. The directions on improvement of test facility, software and testing standards are offered.

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                    10.

                    DOI:

                    UDC: 678.8:620.1

                    Pages:: 68-73

                    V.A. Efimov1, A.K. Shvedkova2, T.G. Koren’kova1, V.N. Kirillov1

                    [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»

                    Investigation of polymer composite materials under effect of climatic factors and loads in laboratory and environmental conditions

                    Investigation of climatic factors influence (using carbon plastic and glassplastic on a base of VSE-20 epoxy binder as an example) on changing of bending residual strength , moisture content and structural transformation in the material (range and glass transition temperatures) at laboratory thermal moisture and field climatic tests at static loading and in unloaded conditions.

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                      11.

                      DOI:

                      UDC: 687.8:620.181.4

                      Pages:: 74-80

                      A.M. Medvedev1

                      [1] MOSCOW AVIATION INSTITUTE (NATIONAL RESEARCH UNIVERSITY), mai@mai.ru

                      Investigation of thermal loading effect on avionics composite materials

                      Practically all electronic systems of avionics are realized on printed-circuit boards. Dielectric bases of printed-circuit boards are composite materials, reinforced by glass fibers with binders of organic origin. Electrical interconnections are performed by means of copper. A considerable composition heterogeneity, in particular, copper, glass and organic polymers creates conditions for considerable thermomechanical stresses, effecting on reliability of avionics printed-circuit boards. A behavior of composite dielectrics is considered within a wide temperature range. It is shown, that in case of avionics besides other factors of polymers temperature stability, the most essential parameter is a glass-transition temperature of binders

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                        12.

                        DOI:

                        UDC: 620.1

                        Pages:: 81-85

                        A.S. Titareva1, V.N. Kirillov1, O.V. Startsev2

                        [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»

                        Behaviour of materials in structural components of aeronautical engineering, manufactured using PCM and PC systems under conditions of temperate thermal climate

                        Results of investigation of polymer composite materials, used in components of structures of aeronautical engineering under conditions of a long-term effect of temperate thermal climate are presented.

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