Articles
The technology of electron beam welding of heat-resistant alloys EI698 and EP718 with steel 45 was developed. A complex of metallographic studies of welded samples was carried out. Tests to determine the mechanical characteristics of welded joints showed that the welded joints made by electron beam welding are equal to the strength of the base metal – of steel 45. A specially designed joint design allowed to reduce emissions of the weld metal and to ensure the absence of cracks under the upper expanded part of the weld. Conducted non-destructive testing of welds showed the absence of unacceptable defects in welds.
2. Antipov V.V., Serebrennikova N.Yu., Nefedova Yu.N., Kozlova O.Yu., Panteleev M.D., Osipov N.N., Klychеv A.V. Manufacturing capability of Al–Li 1441 alloy details. Trudy VIAM, 2018, no. 10 (70), paper no. 03 Available at: http://www.viam-works.ru (accessed: March 03, 2020). DOI: 10.18577/2307-6046- 2018-0-10-17-26.
3. Lukin V.I., Kulik V.I., Betsofen S.Ya., Lukina E.A., Sharov A.V., Panteleyev M.D., Samorukov M.L. Friction stir welding of high-strength aluminum-lithium V-1469 alloy semiproducts. Trudy VIAM, 2017, no. 12 (60), paper no. 2. Available at: http://viam-works.ru (accessed: March 03, 2020). DOI: 10.18577/2307-6046-2017-0-12-2-2.
4. Lukin V.I., Ioda E.N., Panteleev M.D., Skupov A.A. Heat treatment influence on characteristics of welding joints of high-strength aluminum-lithium alloys. Trudy VIAM, 2015, no. 4, paper no. 6. Available at: http://www.viam-works.ru (accessed: March 03, 2020). DOI: 10.18577/2307-6046-2015-0-4-6-6.
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7. Kablov E.N., Lukin V.I., Ospennikova O.G. Welding and brazing in the aerospace industry. Materials of All-Russian scientific-practical conf. «Welding and safety» (October 11–12, 2012): in 2 vols. Yakutsk, 2012, vol. 1, pp. 21–30.
8. Lukin V.I., Ospennikova O.G., Ioda E.N., Panteleev M.D. Welding of aluminum alloys in the aerospace industry. Svarka i diagnostika, 2013, no. 2, pp. 47–52.
9. Kablov E.N. Materials for «Buran» spaceship – innovative solutions of formation of the sixth technological mode. Aviacionnye materialy i tehnologii, 2013, no. S1, pp. 3–9.
10. Arginbaeva E.G., Nazarkin R.M., Shestakov A.V., Karachevtsev F.N. Research of heat treatment influence on structural-phase parameters of intermetallic nickel based alloys. Aviacionnye materialy i tehnologii, 2017, no. 3 (48), pp. 8–13. DOI: 10.18577/2071-9140-2017-0-3-8-13.
11. Panteleev M.D., Bakradze M.M., Skupov A.A., Scherbakov A.V., Belozor V.E. Technological features of fusion welding of aluminum alloy V-1579. Aviacionnye materialy i tehnologii, 2018, no. 3 (52), pp. 11–17. DOI: 10.18577/2071-9140-2018-0-3-11-17.
12. Kablov E.N., Letnikov M.N., Ospennikova O.G., Bakradze M.M., Shestakova A.A. Particulars of the precipitation strengthening γʹ-phase during aging of heat-resistant wrought nickel superalloy VZh175-ID. Trudy VIAM, 2019, no. 9 (81), paper no. 01. Available at: http://www.viam-works.ru (accessed: February 3, 2020). DOI: 10.18577/2307-6046-2019-0-9-3-14.
13. Lukin V.I., Kovalchuk V.G., Golev E.V., Khodakova E.A., Rossokhina L.I., Gribkov M.S., Mosyagin A.S., Khovanov V.A. Electron beam welding of high-strength casting nickel alloy VZh172L. Svarochnoe proizvodstvo, 2016, no. 5, pp. 44–49.
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Within the framework of this work, the synthesis technology was developed and the characterization of complex nickelate ceramics of the composition La15/8Sr1/8NiO4 (LSNO) was carried out by the method of х-ray phase analysis. Research has been carried out to identify the regularities of the influence of the chemical nature of the polymer matrix on the complex of technological, physical-mechanical and electrophysical properties of nanocomposites modified with LSNO. The effect of surfactants (surfactants) of different brands on the stability and rheological characteristics of nanodispersions based on the previously selected oligomer was investigated and the optimal content of ceramic nanoparticles and surfactants for each of the systems was determined. The rheological and physical-mechanical properties of the obtained dispersions and polymer nanocomposites based on them have been determined. Research has been carried out and the concentration dependences of the electrophysical properties of samples of cured nanocomposites have been determined.
2. Kablov E.N., Semenova L.V., Petrova G.N. at al. Polymer composite materials on a thermoplastic matrix. Izvestiya vysshikh uchebnykh zavedeniy, Ser.: Chemistry and Chemical Technology, 2016, vol. 59, no. 10, pp. 61–71.
3. Kablov E.N., Startsev V.O., Inozemtsev A.A. The moisture absorption of structurally similar samples from polymer composite materials in open climatic conditions with application of thermal spikes. Aviacionnye materialy i tehnologii, 2017, no. 2 (47), pp. 56–68. DOI: 10.18577/2071-9140-2017-0-2-56-68.
4. Kraev I.D., Popkov O.V., Shuldeshov E.M. i dr. Prospects for the use of organosilicon elastomers in the development of modern polymer materials and coatings for various purposes. Trudy VIAM, 2017, no. 12 (60), paper no. 5. Available at: http://www.viam-works.ru (accessed: Februry 28, 2020). DOI: 10.18577/2307-6046-2017-0-12-5-5.
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Comparative data on characteristics of the adhesive joints executed by epoxy adhesive of cold curing VK-9 (not modified) and VK-27 (modified by rubber) are provided. It is shown that updating of epoxy adhesive of cold curing by rubber leads to increase of strength, deformation and resource characteristics of glued joints, however heat resistance of adhesive joints decreases. Comparison of properties of the adhesive joints executed by adhesives VK-9 and VK-27 is given, at influence of loadings, temperatures, humidity and other factors.
2. Grashhenkov D.V., Chursova L.V. Strategy of development of composite and functional materials. Aviacionnye materialy i tehnologii, 2012, no. S, pp. 231–242.
3. Lukina N.F., Petrova A.P., Muhametov R.R., Kogtjonkov A.S. New developments in the field of adhesive aviation materials. Aviacionnye materialy i tehnologii, 2017, no. S, pp. 452–459. DOI: 10.18577/2071-9140-2017-0-S-452-459.
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In work the assessment of possibility of replacement of Fospoliol-II as a part of heat-protective putty on new environmentally friendly organophosphorus flame retardants of domestic production for the purpose of decrease in toxicity and environmental pollution when manufacturing and processing has been carried out. The comparative assessment of ecological safety of flame retardants, and also mechanical, thermophysical characteristics of heat-protective putty with Fospoliolom-II and new fire-retarding agents is carried out.
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Рrovides an overview of the work carried out to find ways to increase the interlayer effects in polymer composite materials and in particular shock loads. Discusses the use of nanofibersveils in the manufacture of laminated CFRP and the change in strength characteristics of the obtained materials, depending on different surface density nanofiber veils and their chemical composition. There is a General tendency to increase the interlayer strength in carbon fiber when using nanofiber veils with a slight decrease in the elastic modulus.
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The article presents a literature review of the features of crack development in fibrous metal composite materials (MCMs) system Ti–SiC under cyclic loads. The mechanisms that provide resistance to crack development and factors affecting the process of crack growth in fibrous MCMs system Ti–SiC are presented. The influence of temperature, frequency, and medium on the development velocity of a crack in fibrous MCMs system Ti–SiC under the action of cyclic loads is considered. In conclusion, of the review, conclusions are drawn and it is shown that the development of a fatigue crack and its resistance to growth in MCMs system Ti–SiC are associated with the structural features of the material.
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The results of work carried out at FSUE «VIAM» within the framework of studies of the effect of the gap of calenders on the preservation of the properties of carbon fiber during impregnation of a unidirectional prepreg are presented. The tensile strength properties of CFRP based on a unidirectional prepreg made without and with a gap of calenders are presented. As a result, it can be concluded that, for the selected objects of study, such a technological parameter as a gap, when impregnating unidirectional materials, does not affect the preservation of the strength characteristics of carbon fiber.
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The basic technologies for manufacturing complex parts from polymer composite materials (PCM) are considered. Technological techniques have been tested – from researching the properties of the prepreg filler to manufacturing the part, from modeling the master model to manufacturing the rigging exactly repeating the theoretical contour of the part, from choosing the technology to its implementation in the manufacture of pipeline elements from PCM for air conditioning in aircraft. The thermocompression method for obtaining spatially complex АСS elements has been developed.
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Presents the results of a study of the influence of the presence of an integrated vibration absorbing layer on the physical and vibration damping properties of the experimental samples of composite heat- and soundproofing panels of various compositions and structures. The factors affecting the level of properties of the manufactured experimental samples of composite heat- and soundproofing panels are established. The influence of the composition and structure of experimental samples of composite heat- and soundproofing panel on its characteristics is analyzed.
2. Kablov E.N. The key problem is materials. Tendentsii i oriyentiry innovatsionnogo razvitiya Rossii. Moscow: VIAM, 2015, pp. 458–464.
3. Kablov E.N. At the crossroads of science, education and industry. Ekspert, 2015, no. 15 (941), pp.49–53.
4. Raskutin A.E. Russian polymer composite materials of new generation, their exploitation and implementation in advanced developed constructions. Aviacionnye materialy i tehnologii, 2017, no. S, pp. 349–367. DOI: 10.18577/2071-9140-2017-0-S-349-367.
5. 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.
6. Grashchenkov D.V. Strategy of development of non-metallic materials, metal composite materials and heat-shielding. Aviacionnye materialy i tehnologii, 2017, No. S, pp. 264–271. DOI: 10.18577/2071-9140-2017-0-S-264-271.
7. Young M.V., Reshetnikova E.V., Zakharov V.A. Constructive and technological features of the manufacture of interior panels for passenger aircraft. Vestnik Voronezhskogo gosudarstvennogo tekhnicheskogo universiteta, 2011, no. 11-2, pp. 48–50.
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13. Kablov E.N., Sagomonova V.A., Sorokin A.E., Tselikin V.V., Gulyaev A.I. Investigation of the structure and properties of a polymer composite material with an integrated vibration-absorbing layer. Vse materialy. Entsiklopedicheskiy spravochnik, 2020, no. 3, pp. 2–9.
14. Polymer composite material with an integrated vibration-absorbing layer: pat. 2687938 Rus. Federation; filed 07.11.18; publ. 16.05.19.
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16. Sandwich panel: pat. 2006002869A JP; filed 18.06.04; publ. 05.01.06.
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18. Vibration-damping fiber-reinforced composite material: pat. 2009078422A JP; ffiled 26.09.07; publ. 16.04.09.
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20. Soundproofing trim panel for helicopter type rotorcraft, has core that is melamine self-extinguishing foam in which inserts are arranged, and skins provided with carbon cloth layers respectively: pat. 2939406B1 FR; filed 05.12.08; publ. 12.07.13.
21. Structural composite material with improved acoustic and vibrational damping properties: pat. 20100170746A1 US; filed 06.01.10; publ. 08.07.10.
22. Multilayer and composition gradient structures with improved damping properties: pat. 20120164907 US; filed 09.12.11; publ. 28.06.12.
23. Composite article including viscoelastic layer with barrier layer: pat. 2010151186 US; filed 15.12.09; publ. 17.06.10.
The influence of the spatial structure of reinforcing fillers, such as ZnO and BN filamentous crystals of zinc oxide, as well as their content in an epoxy-polyamide polymer matrix on adhesion, physical and mechanical properties, water absorption and erosion resistance, was studied. It is shown that coatings containing ZnO filamentous crystals in their composition, which are clear spatial tetrahedra of four single crystals emerging from a single center, have a higher elastic coating under tension, as well as resistance to erosion compared to similar coatings containing BN filamentous crystals with a needle-like structure.
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3. History of Aviation Materials Science. VIAM – 80 years: years and people. Ed. E.N. Kablov. Moscow: VIAM, 2012, 520 p.
4. Kablov E.N. The key problem is materials. Trends and guidelines for innovative development in Russia. Moscow: VIAM, 2015, pp. 458–464.
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Sea water – one of the most common and corrosive environments, being a finely balanced salt solution containing, among other things, organics, living organisms and dissolved gases, which leads to the multifactorial nature of this exposure condition.
This work is devoted to assessing the productivity of marine biota in 6 monitoring points of the Gelendzhik bay and coastal high seas with a quantitative assessment of fouling and mechanical properties of samples of aluminum alloy AMg6 with and without biofouling during the summer exposure.
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11. Bukharev G.M., Laptev A.B., Yakovenko T.V., Bobyreva T.V. The role of assessing the biological factor in ensuring the safe operation of complex technical systems during the life cycle. Problems of assessing the climatic resistance of materials and complex technical systems: collection of articles. report II All-Russia. scientific and technical conf. Climate-2017. Moscow: VIAM, 2017, pp. 21–30.
12. Kablov E.N. Materials are the basis of any business. Delovaya slava Rossii, 2013, no. 2, pp. 4-9.
13. Kablov E.N., Startsev O.V. The basic and applied research in the field of corrosion and ageing of materials in natural environments (review). Aviacionnye materialy i tehnologii, 2015, no. 4 (37), pp. 38–52. DOI: 10.18577/2071-9140-2015-0-4-38-52.
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15. Kablov E.N. Marketing of materials science, aircraft construction and industry: present and future. Direktor po marketingu i sbytu, 2017, no. 5-6, pp. 40–44.
16. Aluminum alloy of the Al–Mg–Si system: pat. 2672977 Rus. Federation; filed 01.11.17; publ. 21.11.18.
17. Kablov E.N. New generation materials – the basis for innovation, technological leadership and national security of Russia. Intellekt i tekhnologii, 2016, no. 2 (14), pp. 16–21.
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