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dx.doi.org/ 10.18577/2307-6046-2025-0-7-3-12

УДК 778.64:669.018.44

Nerush S.V., Chubov D.G., Kaplansky Yu.Yu., Sukhov D.I.

INVESTIGATION OF EXPERIMENTAL NICKEL-BASED HEAT-RESISTANT ALLOY OBTAINED BY SELECTIVE LASER MELTING METHOD

Adaptation of foundry heat-resistant nickel-based superalloys for additive technologies is inexpedient, since such materials cannot meet the ever-increasing requirements for synthesized materials, in particular, for creep resistance or long-term strength at elevated temperatures. In the present work we consider a new experimental composition of heat-resistant nickel-based superalloys developed in relation to additive technologies for the selective laser melting method, which is not inferior to the alloys of this system in terms of properties obtained by conventional methods.

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Reference list

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dx.doi.org/ 10.18577/2307-6046-2025-0-7-13-35

УДК 621.791.3

Sviridov A.V., Afanasiev-Khodykin A.N., Galushka I.A.

FEATURES OF FORMATION OF MICROSTRUCTURE OF SOLDERED JOINTS OF NICKEL SUPER ALLOYS WITH IRIDIUM

The results of investigation of the influence of solder composition on the formation of the soldered joint of iridium contacts of spark plugs with CH60VT alloy as the material of the contact holder are presented. The comparison of the soldered joint formed by serial solder VPr50 and experimental solders after soldering and holding for three hours at 1000 °C has been carried out. The main phase components capable of leading to decrease of long-term strength of soldered seam during operation have been revealed. The regularities of redistribution of elements in the soldered joint and diffusion zones have been determined due to decrease of erosion activity of solder in relation to iridium and alloy KhN60VT.

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Reference list

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19. 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/ 10.18577/2307-6046-2025-0-7-36-44

УДК 621.793

Gorlov D.S., Aleksandrov D.A., Cheredinov P.D.

THE POSSIBILITIES OF USING ION-PLASMA TECHNOLOGY IN THE CREATION OF A WEAR-RESISTANT COATING TO PROTECT PARTS WITH LOW TEMPERING TEMPERATURE

The article presents the results of a study of the tribological properties of a wear-resistant ion-plasma coating to increase the service life of parts with a low tempering temperature. It has been found that this wear-resistant coating, with a thickness of 7 to 10 microns, consists of a damping lower and wear-resistant upper layers, has a coefficient of friction of 0.12, the total wear rate of the friction pair is 0,012·10^–3mm/m, the average total linear wear of the friction pair is 0,012 mm in an aviation fuel environment paired with antimony lead bronze.

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Reference list

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dx.doi.org/ 10.18577/2307-6046-2025-0-7-45-60

УДК 669.721.5:621.762.224

Volkova E.F., Akinina M.V., Mostyaev I.V., Alikhanyan A.A., Leonov A.A.

MAGNESIUM ALLOYS AS THE BASIS OF METAL MATRIX COMPOSITE MATERIALS: A STUDY OF STRUCTURE AND PROPERTIES

The article presents and describes the results of determining mechanical and corrosion properties, as well as microstructure particularities of metal matrix composite materials (MMC) based on various alloying systems of magnesium alloys: Mg–Al–Zn–Mn, Mg–Zn–Ca, Mg–Zn–Zr–REE (Y, Nd), Mg–Al–Ca. Nanoscale reinforcing particles SiC, Y₂O_3, Al₂O₃ were used as a filler. The studies of MMC were carried out in cast and homogenized states. It has been established that Mg–Zn–Ca alloy system/3 wt % SiC should be considered as the optimal composition for the metal matrix composite material.

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Reference list

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dx.doi.org/ 10.18577/2307-6046-2025-0-7-61-80

УДК 678.8

Kopylov A.V., Prokopenkov V.G., Slavin A.V., Kurnosov A.O.

STUDY OF WATER ABSORPTION PROCESS OF HOLLOW-FIBER FIBERGLASS BASED ON ANALYSIS OF NATURE-LIKE TECHNOLOGIES

Based on the results of microstructural studies, the structural features of hollow-fiber fiberglass samples before their water absorption testing are considered. An analysis of changes in the density of hollow-fiber fiberglass samples measured by hydrostatic weighing is performed depending on the number of days during long-term water absorption. A study of the water absorption process of hollow-fiber fiberglass samples is performed based on the analysis of nature-like technologies − similar systems and models of water absorption that exist in nature.

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Reference list

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23. Puzyretskiy E.A., Donetski K.I., Shabalin L.P., Karavaev R.Yu., Savinov D.V. Theoretical and experimental study of the vacuum forming of semipregs based on carbon fillers (tapes and fabric) and melting epoxy binding. Aviation materials and technologies, 2024, no. 2 (75), paper no. 08. Available at: http://www.journal.viam.ru (accessed: April 23, 2025). DOI: 10.18577/2713-0193-2024-0-2-109-121.
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dx.doi.org/ 10.18577/2307-6046-2025-0-7-81-91

УДК 678.026

Kozhukharov M.S., Akhmadieva K.R., Bokov V.V., Izmalkov D.A.

METHODS OF REMOVAL OF MOISTURE-PROOF ELECTRICAL INSULATING COATINGS

The article analyzes the scientific and technical literature data concerning the main methods of removing moisture-proof electrical insulation coatings from printed circuit boards and assemblies during their repair and modification. Characteristics, advantages and disadvantages of the removal of electrical insulation coatings by dissolution, peeling, mechanical, thermal and micro-jet methods are presented. The above methods mentioned for polyurethane, epoxy, acrylic, organosilicon and parylene electrical insulation coatings are considered and the most optimal methods depending on the nature of the material are determined.

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Reference list

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33. Ospennikova O.G., Kozlova A.A., Kozlov I.A. Laser technology to remove paint coatings in the process of repair and maintenance of aircraft (review). Trudy VIAM, 2021, no. 4 (98), paper no. 09. Available at: http://www.viam-works.ru (accessed: March 03, 2025). DOI: 10.18577/2307-6046-2021-0-4-110-123.
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dx.doi.org/ 10.18577/2307-6046-2025-0-7-92-104

УДК 666.7

Grunin А.А., Sidorov D.V., Shavnev A.A.

IMPLEMENTATION OF TECHNOLOGY FOR CHEMICAL VAPORDEPOSITION OF SILICON CARBIDE IN ELECTRONICS. Part 2

The fundamentals of homoepitaxial growth of silicon carbide by chemical vapor deposition are presented. Main defects, arising during growth and doping of silicon carbide, are considered. In the study has been described the causes of defects and their influence on the properties of semiconductor devices. It is revealed that most defects in silicon carbide epitaxial layers arise from the use of low-quality substrates. The influence of the C/Si ratio and deposition temperature on defect formation is shown. Conditions for reducing defects are considered.

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Reference list

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43. Hong M.H., Samant A.V., Pirouz P. Stacking fault energy of 6H–SiC and 4H–SiC single crystals. Philosophical Magazine, 2000, vol. 80, pp. 919–935.
44. Zhang X., Skowronski M., Liu K.X. et al. Glide and multiplication of basal plane dislocations during 4H‒SiC homoepitaxy. Journal of Applied Physics, 2007, vol. 102, p. 093520.
45. Zhang X., Miyazawa T., Tsuchida H. Critical Conditions of Misfit Dislocation Formation in 4H‒SiC Epilayers. Materials Science Forum, 2012, vol. 717, pp. 313–318.

dx.doi.org/ 10.18577/2307-6046-2025-0-7-105-118

УДК 667.6:535.6

Startsev V.O.

CLIMATE AGING OF PAINT COATING SYSTEMS Part 3. Comparison of results of natural and accelerated climatic tests taking into account the effect of seasonality

The article examines the correlation dependences between the change in the color distance of aluminum alloy samples with epoxy and fluoropolyurethane enamels with red and gray pigments when exposed to natural conditions of three climatic zones and laboratory conditions. It is shown that the use of a model of color distance change, taking into account the dose of solar radiation, and the obtained correlation dependences allows to accurately calculate the duration of laboratory simulation tests.

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Reference list

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13. Startsev O.V., Lebedev M.P., Kychkin A.K. Aging of polymer composite materials in conditions of extremely cold climate. Izvestiya Altayskogo gosudarstvennogo universiteta, 2020, no. 1 (111), pp. 41–51.
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16. Pavlov A.V., Andreeva N.P., Pavlov M.R., Merkulova Yu.I. Climatic tests of paint coating based on fluoroplastic and features of its destruction. Trudy VIAM, 2019, no. 5, paper no. 12. Available at: http://www.viam-works.ru (accessed: March 10, 2025). DOI: 10.18577/2307-6046-2019-0-5-103-110.
17. Kablov E.N., Startsev O.V., Medvedev I.M., Panin S.V. Corrosive aggressiveness of the coastal atmosphere. Part 1. Influencing factors (review). Korroziya: materialy, zashchita, 2013, no. 12, pp. 6–18.
18. Kablov E.N., Startsev O.V., Medvedev I.M. Corrosive aggressiveness of the coastal atmosphere. Part 2. New approaches to assessing the corrosivity of coastal atmospheres. Korroziya: materialy, zashchita, 2016, no. 1, pp. 1–15.
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20. Startsev O.V., Tsintsadze G.B., Vapirov Yu.M., Kiryushkin S.G. Climatic aging of transparent thermoplastic films. 1. Polyethylene. Polimernye opticheskie materialy. Ed. B.R. Smirnov. Chernogolovka: Publ. house of the Institute of Chemical Physics of the USSR Academy of Sciences, 1989, pp. 152–177.
21. Startsev O.V. Climatic aging of transparent thermoplastic films. 2. Polycarbonate. Polimernye opticheskie materialy. Ed. B.R. Smirnov. Chernogolovka: Institute of Chemical Physics of the USSR Academy of Sciences, 1989, pp. 178–197.
22. Momber A.W., Buchbach S., Plagemann P., Marquardt T. Edge coverage of organic coatings and corrosion protection over edges under simulated ballast water tank conditions. Progress in Organic Coatings, 2017, vol. 108, pp. 90–92.
23. Pélissier K., Le Bozec N., Thierry D., Larché N. Evaluation of the Long-Term Performance of Marine and Offshore Coatings System Exposed on a Traditional Stationary Site and an Operating Ship and Its Correlation to Accelerated Test. Coatings, 2022, vol. 12, no. 11, р. 1758.
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25. Knudsen O.Ø., Skilbred A.W.B., Løken A. et al. Correlations between standard accelerated tests for protective organic coatings and field performance. Materials Today Communications, 2022, vol. 31, art. 103729.
26. Revin P.O., Makarenko A.V., Harisov R.A., Farhetdinov I.R. Research of underwater applied coatings for corrosion protection of port facilities. Science and Technologies: Oil and Oil Products Pipeline Transportation, 2022, vol. 12, no. 4, pp. 385–393.
27. LeBozec N., Thierry D., Le Calvé P. et al. Performance of marine and offshore paint systems: Correlation of accelerated corrosion tests and field exposure on operating ships. Materials and Corrosion, 2015, vol. 66, no. 3, pp. 215–225.
28. Li S., Bi H., Weinell C.E., Dam-Johansen K. A quantitative real-time evaluation of rust creep propagation in coating systems exposed to field testing and cyclic ageing test. Progress in Organic Coatings, 2023, vol. 184, art. 107866.
29. Saha J.K., Mitra P.K., Paul S., Singh D.D.N. Performance of different organic coatings on steel substrate by accelerated and in atmospheric exposure tests. Indian Journal of Chemical Technology, 2010, vol. 17, no. 2, pp. 102–110.
30. Chu M.T., Do D.T., Sereda V.N., Karpov V.A. Correlation between climate testing methods and service life prediction for paint systems. International Journal of Corrosion and Scale Inhibition, 2023, vol. 12, no. 3, pp. 1363–1373.
31. Gao J., Hu W., Wang R., Li X. Study on a multifactor coupling accelerated test method for anticorrosive coatings in marine atmospheric environments. Polymer Testing, 2021, vol. 100, art. 107259.
32. Kuznetsova V.A., Shapovalov G.G., Marchenko S.A., Kovrizhkina N.A., Silaeva A.A. Paint coatings on the basis of epoxy and acrylic diphasic polymeric system for coloring of elements of cabin of pilots and dashboards. Trudy VIAM, 2020, no. 12 (94), paper no. 09. Available at: http://www.viam-works.ru (accessed: March 10, 2025). DOI: 10.18577/2307-6046-2020-0-12-87-95.
33. Kuznetsova V.A., Marchenko S.A., Emelyanov V.V., Zheleznyak V.G. Study of the influence of molecular mass of epoxy oligomers and hardeners on the operational properties of paint coatings. Aviation materials and technology, 2021, no. 1 (62), paper no. 07. Available at: http://www.journal.viam.ru (accessed: March 10, 2025). DOI: 10.18577/2713-0193-2021-0-1-71-79.
34. Kozlova A.A., Kuznetsova V.A., Kozlov I.A., Naprienko S.A., Silaeva A.A. The effect of prolonged heating on the properties of protective coatings for aluminum alloy system Al–Si–Mg. Aviacionnye materialy i tehnologii, 2019, no. 2 (55), pp. 74–80. DOI: 10.18577/2071-9140-2019-0-2-74-80.
35. Startsev V.O., Valevin E.O., Gulyaev A.I. The influence of polymer composite materials’ surface weathering on its mechanical properties. Trudy VIAM, 2020, no. 8 (90), paper no. 07. Available at: http://www.viam-works.ru (accessed: March 10, 2025). DOI: 10.18577/2307-6046-2020-0-8-64-76.
36. Startsev V.O. Climate aging of paint coating systems. Part 2. Influence of different climatic zones. Trudy VIAM, 2025, no. 6 (148), paper no. 07. Available at: http://www.viam-works.ru (accessed: June 06, 2025). DOI: 10.18577/2307-6046-2025-0-6-86-97.
37. Startsev V.O., Kogan A.M., Zeleneva T.O. Climate aging of paint coating systems. Part 1. Effect of long-term exposure on color characteristics. Trudy VIAM, 2025, no. 5 (147), paper no. 08. Available at: http://www.viam-works.ru (accessed: May 19, 2025). DOI: 10.18577/2307-6046-2025-0-5-99-111.
38. Startsev V.O., Nizina T.A. The modeling of epoxy polymers weathering by the color characteristics measurements. Trudy VIAM, 2015, no. 12, paper no. 10. Available at: http://www.viam-works.ru (accessed: March 10, 2025). DOI: 10.18577/2307-6046-2015-0-12-10-10.

dx.doi.org/ 10.18577/2307-6046-2025-0-7-119-129

УДК 620.179.1

Osiyanenko N.V., Kosarina E.I., Demidov A.A., Grimova A.P.

DETERMINATION OF CHARACTERISTICS OF RADIOGRAPHIC FILMS

The article describes the testing of radiographic technical films according to the regulations of GOST R ISO 11699-1–2023 and according to the method developed at NRC «Kurchatov Institute» – VIAM. The obtained informative characteristics of radiographic films are compared. The article shows that obtaining a characteristic curve according to the requirements of GOST R ISO 11699-1–2023 does not take into account the influence of X-ray radiation energy. The properties of the analog of the characteristic curve according to the developed method take into account its dependence on the radiation energy, i.e. it determines not only its sensitometric properties, but also its flaw detection properties.

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Reference list

1. Kablov E.N., Antipov V.V., Oglodkova Yu.S., Oglodkov M.S. Experience and prospects for the use of aluminum-lithium alloys in aviation and space technology. Metallurg, 2021, no. 1, pp. 62–70.
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11. Demidov A.A., Kosarina E.I., Kourova N.V., Mikhailova N.A. Sensitometer for building characteristic curves of x-ray films and determining the sensitivity to radiation and gradient in accordance with ISO 11699-1:2008 requirements. Trudy VIAM, 2020, no. 6-7 (89), paper no. 09. Available at: http://www.viam-works.ru (accessed: December 12, 2024). DOI: 10.18577/2307-6046-2020-0-67-81-90.
12. Makarov A.V. Chemical and photographic processing of radiographic films. V mire nerazrushayushchego kontrolya, 2021, no. 1, pp. 60–68.
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14. Leonov A.A., Trofimov N.V., Panaetov V.G., Kudasov S.V., Shirokozhukov А.V. Magnesium alloys in the design of navigation system products. Aviation materials and technologies, 2024, no. 3 (76), paper no. 03. Available at: http://www.journal.viam.ru (accessed: December 15, 2024). DOI: 10.18577/2713-0193-2024-0-3-25-34.
15. Svetlov I.L., Petrushin N.V., Epishin A.I., Karashaew M.M., Elyutin E.S. Single crystals of nickel-based superalloys alloyed with rhenium and ruthenium (review). Part 1. Aviation materials and technologies, 2023, no. 1 (70), paper no. 03. Available at: http://www.journal.viam.ru (accessed: December 20, 2024). DOI: 10.18577/2713-0193-2023-0-1-30-50.
16. Makarov A.V. New documents on non-destructive testing in the field of nuclear energy. Radiographic testing. V mire nerazrushayushchego kontrolya, 2020, no. 2, pp. 46–51.

10.

dx.doi.org/ 10.18577/2307-6046-2025-0-7-130-140

УДК 620.179

Medvedev P.N., Moiseeva N.S., Kochubey A.Ya., Juravleva P.L.

STRUCTURAL FACTORS DETERMINING APPLICABILITY OF THE NON-DESTRUCTIVE X-RAY DIFFRACTION METHOD FOR ASSESSING RESIDUAL STRESS. Part 2

The articlecompares the X-ray diffraction and metallographic methods for determining β- phase proportion in titanium alloys. The values of the β-phase proportion determined by the metallographic method are inflated against those determined by the X-ray method. These results show the necessity to improve these methods. The study of residual stresses has shown that when applying macrodeformation, the rate of the β-phase lattice deformation growth is higher than the same of the α-phase. The paper proposes to determine the Poisson’s ratio by the X-ray method using the accessoriez for modeling of bending or uniaxial tension tests.

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Reference list

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9. Kalashnikov V.S., Reshetilo L.P., Chuchman O.V., Naprienko S.A. Strength and reliability of rods and rotor blade stamps made of heat-resistant industrial titanium alloys and modern pseudo-α-titanium alloy. Trudy VIAM, 2022, no. 2 (108), paper no. 02. Available at: http://www.viam-works.ru (accessed: July 28, 2024). DOI: 10.18577/2307-6046-2022-0-2-13-31.
10. Oglodkov M.S., Kashapov O.S., Kalashnikov V.S., Kondratieva A.R. Comparative analysis of the characteristics of domestic alloys VT8, VT8M, VT8M-1, VT9 and Ti6242S alloy (USA) as applied to high-pressure compressor blades of aircraft gas turbine engines. Aviation materials and technologies, 2024, no. 3 (76), paper no. 04. Available at: http://www.journal.viam.ru (accessed: August 27, 2024). DOI: 10.18577/2713-0193-2024-0-3-35-50.
11. Kashapov O.S., Pavlova T.V., Kalashnikov V.S., Zavodov A.V. Prerequisites for the development of new low-alloyed technological medium strength titanium alloy with operating temperature up to 400–450 °С, capable of strengthening. Aviation materials and technologies, 2024, no. 1 (74), paper no. 03. Available at: http://www.journal.viam.ru (accessed: August 28, 2024). DOI: 10.18577/2713-0193-2024-0-1-33-50.
12. Kablov E.N., Putyrskiy S.V., Yakovlev A.L., Krokhina V.A., Naprienko S.A. Study of fatigue fracture resistance of stampings made of high-strength titanium alloy VT22M, manufactured with final deformation in the (α+β)- and β-regions. Titan, 2021, no. 1 (70), pp. 26–33.
13. Peskova A.V., Sukhov D.I., Mazalov P.B. Examination of the formation of the titanium alloy VT6 structure obtained by additive manufacturing. Aviacionnye materialy i tehnologii, 2020, no. 1 (58), pp. 38–44. DOI: 10.18577/2071-9140-2020-0-1-38-44.
14. Kolpachev B.A., Elagin V.I., Livanov V.A. Metallurgy and heat treatment of non-ferrous metals and alloys: textbook for universities. 3rd ed., suppl. and rev. Moscow: MISiS, 2001, 416 p.
15. Volkov N.V., Skrytny V.I., Filippov V.P., Yaltsev V.N. Physical materials science: textbook for universities in 8 vols. Moscow: NRNU MEPhI, 2012, vol. 3: Methods for studying the structural and phase state of materials, 800 p.

11.

dx.doi.org/ 10.18577/2307-6046-2025-0-7-141-156

УДК 620.179.1

Lednev I.S.

MAGNETIC METHODS OF NON-DESTRUCTIVE TESTING OF AIRCRAFT PRODUCTS

The article provides an overview of the development of magnetic non-destructive testing technologies. After a brief summary of theoretical studies of the effect of magnetic stress coupling, three popular magnetic non-destructive testing technologies based on: detection of the defect scattering field, the Barkhausen effect and magnetic memory of metal are considered. The article considers the physical mechanism and some important experimental results related to the three technologies of non-destructive testing. The problems associated with each method in this area are also summarized.

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12.

CONTENТS

Heat-resistant alloys and steels

Nerush S.V., Chubov D.G., Kaplanskiy Yu.Yu., Suhov D.I. Investigation of experimental nickel-based heat-resistant alloy obtained by selective laser melting method

Sviridov A.V., Afanаsiev-Khodykin A.N., Galushka I.A. Features of formation of microstructure of soldered joints of nickel super alloys with iridium

Gorlov D.S., Alexandrov D.A., Cheredinov P.D. The possibilities of using ion-plasma technology in the creation of a wear-resistant coating to protect parts with low tempering temperature

Light-metal alloys

Volkova E.F., Akinina M.V., Mostyaev I.V., Alihanyan A.A., Leonov A.A. Magnesium alloys as the basis of metal matrix composite materials: a study of structure and properties

Composite materials

Kopylov A.V., Prokopenkov V.G., Slavin A.V., Kurnosov A.O. Study of water absorption process of hollow-fiber fiberglass based on analysis of nature-like technologies

Protective and functional

coatings

Kozhukharov M.S., Akhmadieva K.R., Bokov V.V., Izmalkov D.A. Methods of removal of moisture-proof electrical insulating coatings

Grunin A.A., Sidorov D.V., Schavnev A.A. Implementation of technology for chemical vapor deposition of silicon carbide in electronics. Part 2

Startsev V.O. Climate aging of paint coating systems. Part 3. Comparison of results of natural and accelerated climatic tests taking into account the effect of seasonality

Material tests

Osiyanenko N.V., Kosarina E.I., Demidov A.A., Grimova A.P. Determination of characteristics of radiographic films

Medvedev P.N., Moiseeva N.S., Kochubey A.Ya., Zhuravleva P.L. Structural factors determining applicability of the non-destructive X-ray diffraction method for asses-sing residual stress. Part 2

Lednev I.S. Magnetic methods of non-destructive testing of aircraft products

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