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dx.doi.org/ 10.18577/2307-6046-2024-0-6-3-17

УДК 669.715:669.018.62

Benarieb I., Panteleev M.D., Oglodkov M.S., Sbitneva S.V., Pahomkin S.I.

THE EFFECT OF HEAT TREATMENT ON THE STRUCTURE AND MECHANICAL PROPERTIES OF JOINTS, PRODUCED BY ELECTRON BEAM WELDING OF EXTRUSIONS FROM ALUMINIUM-LITHIUM ALLOY V-1469

This paper presents the results of the study of the features of microstructure formation and changes in mechanical properties after heat treatment of welded joints, obtained by electron beam welding of extrusions from high-strength alloy V-1469 of Al–Cu–Li system. Phase transformations and nature of precipitation in different zones of the welded joint depending on heat treatment were studied by differential scanning calorimetry, transmission electron microscopy and thermodynamic simulation. It has been shown that the heat treatment of welded joints (quenching + aging) significantly increases the level of strength of the material.

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Reference list

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dx.doi.org/ 10.18577/2307-6046-2024-0-6-18-28

УДК 669.721.5

Leonov A.A., Zavarzin S.V., Trofimov N.V.

ON SOME FEATURES OF THE INFLUENCE OF THE COMPOSITION OF THE MAGNESIUM ANODE ON ITS ELECTROCHEMICAL BEHAVIOR IN RELATION TO MAGNESIUM-ION BATTERIES

The influence of the composition of the anode made of various casting magnesium alloys on its electrochemical behavior in a solution of 3,5% NaClby galvanostatic electrolysis and electrochemical impedance spectroscopy has been studied. It has been established that the use of rare earth elements (REE) as alloying elements has a beneficial effect on discharge characteristics, which allows increasing the anode efficiency and discharge capacity of the VML26 alloy of the system Mg–REE–Zr compared to the Mg–Al–Zn alloy ML5p.ch. by 15 and 7 %, respectively.

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dx.doi.org/ 10.18577/2307-6046-2024-0-6-29-41

УДК 621.763

Senenko S.A., Bogachev I.A., Shoshev F.L.

EFFECT OF THE FRACTIONAL COMPOSITION OF THE METAL-POWDER COMPOSITION OF THE VT6 ALLOY ON THE SURFACE ROUGHNESS, STRUCTURE AND MECHANICAL PROPERTIES OF THE PRINTED MATERIAL OBTAINED BY SELECTIVE ELECTRON BEAM MELTING

The technological properties of metal-powder compositions of VT6 alloy of different fractional composition are investigated. Synthesized samples were obtained by selective electron beam melting from metal-powder compositions of various fractions according to the standard parameters. The structure and surface roughness of the printed samples were studied. The widest possible range of fractions of the metal powder composition suitable for use in the process of selective laser electron beam melting without reducing the characteristics of the printed material has been determined.

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Reference list

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dx.doi.org/ 10.18577/2307-6046-2024-0-6-42-50

УДК 621.792.053

Isaev A.Yu., Rubtsova E.V., Lukina N.F.

PROPERTIES AND PURPOSE OF FILM ADHESIVES (CONSTRUCTIONAL AND FOAMING) WITH LOWERED COMBUSTIBILITY

Theresults of research of the properties of epoxy film adhesiveswith lowered combustibility and heat resistance up to 120 °C – VK-108 and VKV-28 are presented. VK-108 structural adhesive is intended for gluing parts and units from metal materials and polymeric composite materials, including honeycomb sandwich constructions. VKV-28 foaming adhesive is designed to connect the cellular fillers with each other and with the frame elements in honeycomb sandwich made from aluminum alloys and polymeric composite materials. Аdhesivesare self-extinguishing and meet the requirements of AP-25 (Appendix F, Рart I).

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12. Shershak P.V., Yakovlev N.O., Shokin G.I., Kutsevich K.E., Popkova E.A. Evaluation method and factors influencing the bonding quality between face and honey-comb cores in floor and interior aircraft panels. Aviacionnye materialy i tehnologii, 2020, no. 2 (59), pp. 81–88. DOI: 10.18577/2071-9140-2020-0-2-81-88.
13. Petrova A.P. Foaming adhesives and their use in aircraft construction. Klei. Germetiki. Tekhnologii, 2015, no. 1, pp. 2–5.
14. Kutsevich K.E., Tyumeneva T.Yu., Petrova A.P. Influence of fillers on properties of adhesive prepregs and PCM on their basis. Aviacionnye materialy i tehnologii, 2017, no. 4 (49), pp. 51–55. DOI: 10.18577/2071-9140-2017-0-4-51-55.
15. Dementyeva L.A., Tyumeneva T.Yu., Sharova I.A. Adhesives with reduced flammability for aircraft. Tr. VI Int. conf. Vologda, 2011, pp. 127–128.
16. Zastrogina O.B., Shvets N.I., Serkova U.A., Veshkin E.A. Fireproof materials based on phenol-formaldehyde binders. Klei. Germetiki. Tekhnologii, 2017, no. 7, pp. 22–27.
17. Zastrogina O.B., Serkova E.А., Sarychev I.A., Vavilova M.I. Influence of Russian and Chinese vinyflex on the properties of the VFT binder and fiberglass based on it. Aviacionnye materialy i tehnologii, 2020, no. 3 (60), pp. 3–9. DOI: 10.18577/2071-9140-2020-0-3-3-9.
18. Donskoy A.A., Baritko N.V. Self-extinguishing low-density sealants. Klei. Germetiki. Tekhnologii, 2006, no. 9, pp. 10–12.
19. Kurshubadze I.V., Petrova A.P. Performance of adhesive joints in marine subtropical conditions. Klei. Germetiki. Tekhnologii, 2005, no. 12, pp. 14–17.
20. Lukina N.F., Isaev A.Yu., Starodubtseva О.А., Balabanovа О.S. Approaches to creation of conducting glue from the lowered curing temperature. Trudy VIAM, 2023, no. 5 (123), paper no. 05. Available at: http://www.viam-works.ru (accessed: May 01, 2024). DOI: 10.18577/2307-6046-2023-0-5-54-63.
21. Petrova A.P., Lukina N.F., Isaev A.Yu., Smirnov O.I. The effect of the adhesive primer EP-0234 on the properties of adhesive compounds obtained using adhesive VK-36. Trudy VIAM, 2022, no. 6 (112), paper no. 04. Available at: http://www.viam-works.ru (accessed: March 21, 2024). DOI: 10.18577/2307-6046-2022-0-6-39-48.
22. Lukina N.F., Kotova Е.V., Petrova A.P., Isaev A.Yu. Improvement of properties of fenolformaldegidny adhesives when updating by their polyvinylacetals. Trudy VIAM, 2022, no. 6 (112), paper no. 03. Available at: http://www.viam-works.ru (accessed: March 21, 2024). DOI: 10.18577/2307-6046-2022-0-7-27-36.

dx.doi.org/ 10.18577/2307-6046-2024-0-6-51-60

УДК 621.924.93

Donetskiy K.I., Ablyaz T.R., Shlykov E.S., Osinnikov I.V., Blokhin V.B., Muratov K.R.

STUDY OF THE INFLUENCE OF THE ELECTRICAL DISCHARGE MACHINING PROCESS ON THE STRUCTURE OF POLYMER COMPOSITE MATERIAL VKU-29

Processing of polymer composite materials with minimal defect formation is an important prerequisite for their long-term operation. Materials produced by the technology of copy-piercing electrical discharge machining (EDM) under consideration are also characterized by characteristic defects. The influence of the EDM modes, the applied conductive layer and the electrode-tool material on the structure of the surface layer of structural carbon fiber reinforced plastic VKU-29 was studied. Technological parameters of EDM were obtained, ensuring the quality and efficiency of polymer composite materials, taking into account the minimal number of structural defects.

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Reference list

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15. Dyshenko V.S., Donetskiy K.I., Minibaev M.I., Ablyaz T.R., Shlykov E.S., Shiryaev V.V. Methods of mechanical and electrical discharge machining of polymer composite materials (review). Trudy VIAM, 2018, no. 3 (109), paper no. 10. Available at: http://www.viam-works.ru (accessed: March 05, 2024). DOI: 10.18577/2307-6046-2022-0-3-102-120.
16. Film B.P. Mechanical processing of plastic: reference. Moscow: Mashinostroyenie, 1987, 152 p.
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20. Gunyaeva A.G., Sidorina A.I., Kurnosov A.O., Klimenko O.N. Polymeric composite materials of new generation on the basis of binder VSE-1212 and the filling agents alternative to ones of Porcher Ind. and Toho Tenax. Aviacionnye materialy i tehnologii, 2018, no. 3 (52), pp. 18–26. DOI: 10.18577/2071-9140-2018-0-3-18-26.

dx.doi.org/ 10.18577/2307-6046-2024-0-6-61-68

УДК 629.7.023.222

Zverevich Yu.K., Krechetov D.D., Zheleznyak V.G.

INVESTIGATION OF THE EFFECT OF MODIFIERS ON THE ELECTRICAL CONDUCTIVITY OF THE MODEL COMPOSITION BASED ON AN EPOXY OLIGOMER

The paper presents the results of the influence of various combinations of electrically conductive modifiers on the electrical conductivity of model compositions based on an epoxy oligomer cured with an amine type hardener. The effect of fillers on the electrical conductivity of model compositions is investigated by the method of determining the specific volumetric electrical resistance at constant voltage. The analysis of the obtained results was performed, which allowed us to establish the relationship between the composition of the model compositions and their electrical conductivity.

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Reference list

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3. 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.
4. Zheleznyak V.G., Serdcelyubova A.S., Merkulova Yu.I., Skivko P.V. Paint coating system based on polyurethane enamel for protecting heated frontal surfaces of aviation products. Aviation materials and technologies, 2022, no. 1 (66), paper no. 10. Available at: http://www.journal.viam.ru (ассеssed: October 02, 2023). DOI: 10.18577/2713-0193-2022-0-1-120-128.
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6. Startsev V.O., Antipov V.V., Slavin A.V., Gorbovets M.A. Modern domestic polymer composite materials for aviation industry (review). Aviation materials and technologies, 2023, no. 2 (71), paper no. 10. Available at: http://www.journal.viam.ru (accessed: October 02, 2023). DOI: 10.18577/2713-0193-2023-0-2-122-144.
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10. Yakovlev A.D., Yakovlev S.A. Functional varnishes. St. Petersburg: Chemistry, 2016, 272 p.
11. Semenova L.V., Kozlova A.A. Paint coating for protection of polymer composites. Trudy VIAM, 2013, no. 4, paper no. 08. Available at: http://www.viam-works.ru (accessed: October 02, 2023).
12. Shevchenko V.G. Fundamentals of physics of polymer composite materials. Moscow: Profession, 2010, 99 p.
13. 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: September 17, 2023). DOI: 10.18577/2713-0193-2021-0-1-71.
14. Drinberg A.S. Coloring of composite materials. Lakokrasochnye materialy i ikh primenenie, 2017, no. 3, pp. 22–31.
15. State Standard 20214–74. Plastics are electrical conductive. The method for determining the specific volumetric electrical resistance at constant voltage. Moscow: Standinform, 2018, 9 p.
16. Electric conductive paint: pat. 2042694 Ros. Federation; appl. 01.11.94; publ. 27.08.95.

dx.doi.org/ 10.18577/2307-6046-2024-0-6-69-79

УДК 669.046.516.2

Buzenkov A.V., Burkanov M.V., Valeev R.A., Piskorsky V.P.

INFLUENCE OF ALLOYING ELEMENTS AND PRODUCTION TECHNOLOGY ON THE PROPERTIES OF SINTERED MAGNETS Pr(Nd)–Dy(M)–Fe–Co–B (M: Tb, Ce, Sm)

The effect of alloying elements (Tb, Ce, Sm) on the properties of sintered magnets Pr(Nd)–Dy(M)–Fe–Co–B(М: Tb, Ce, Sm) as well as sintering temperature, grinding time and various heat treatment modes on the main magnetic characteristics and phase composition of magnets is investigated. It is shown that heat treatment does not significantly affect the magnetic properties. It was found that the admixture of samarium negatively affects the magnetic characteristics of materials. It has been established that the most effective materials are based on praseodymium (without admixture of neodymium).

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29. Morgunov R.B., Piskorskiy V.P., Valeev R.A., Korolev D.V. The thermal stability of rare-earth magnets supported by means of the magnetocaloric effect. Aviacionnye materialy i tehnologii, 2019, no. 1 (54), pp. 88–94. DOI: 10.18577/2071-9140-2019-0-1-88-94.
30. Buzenkov A.V., Valeev R.A., Piskorsky V.P., Morgunov R.B. The effect of the content of yttrium on the properties of the sintered Magnets Nd–Dy–Y–Fe–Co–B. Trudy VIAM, 2022, no. 4 (110), paper no. 11. Available at: http://www.viam-works.ru (accessed: January 23, 2023). DOI: 10.18577/2307-6046-2022-0-4-108-117.
31. Piskorskiy V.P., Valeev R.A., Korolev D.V., Stolyankov Yu.V., Morgunov R.B. Technologies of magneto-optical information recording in thin films of rare-earth magnetically soft alloys. Part II. Ultrafast all optical switching of magnetization. Trudy VIAM, 2020, no. 2 (86), paper no. 03. Available at: http://www.viam-works.ru (accessed: January 26, 2023). DOI: 10.18577/2307-6046-2020-0-2-10-21.

dx.doi.org/ 10.18577/2307-6046-2024-0-6-80-91

УДК 620.178.3

Monakhov A.D., Yakovlev N.O.

APPLICATION OF THE DEEP LEARNING METHOD IN STUDYING CRACK RESISTANCE CHARACTERISTICS

The paper presents an algorithm for determining the length and position of a fatigue crack, based on the use of a three-dimensional convolutional neural network when testing for fatigue crack growth rate. An algorithm for calibrating a video recording system using reference marks in the form of matrix bar codes is proposed. The results of using the algorithm were compared with standard tests. Thus, the kinetic diagram of destruction obtained using a neural network model is characterized by a larger volume of observations, as well as a smaller value of the variance of the approximation error of the measurement results.

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Reference list

1. Erasov V.S., Nuzhny G.A., Grinevich A.V. On assessing the damageability of metallic materials using mechanical testing methods. Deformatsiya i razrushenie materialov, 2015, no. 3, pp. 42–47.
2. Erasov V.S., Oreshko E.I., Lutsenko A.N. Damageability of materials in tension testing. Aviacionnye materialy i tehnologii, 2015, no. 4 (37), pp. 91–94. DOI: 10.18577/2071-9140-2015-0-4-91-94.
3. Kablov E.N., Grinevich A.V., Slavin A.V., Kabanov I.V., Gromov V.I., Ampilogov A.Yu., Yakovlev N.O., Polyakov A.N., Yakusheva N.A. Calculated strength characteristics of steels VKS-9M and 300M. Zavodskaya laboratoriya. Diagnostika materialov, 2022, vol. 88, no. 3, pp. 51–60. DOI: 10.26896/1028-6861-2022-88-3-51-60.
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6. Mitrakov O.V., Yakovlev N.O., Yakusheva N.A., Grinevich A.V. Destruction features of steel 20ХГСН2МФА-ВД during the fracture toughness test. Aviacionnye materialy i tehnologii, 2019, no. 1 (54), pp. 49–56. DOI: 10.18577/2071-9140-2019-0-1-49-56.
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10. Sun H., Liu Q., Fang L. Research on fatigue crack growth detection of M (T) specimen based on image processing technology. Journal of Failure Analysis and Prevention, 2018, vol. 18, рр. 1010–1016.
11. Monakhov A.D., Gulyaev M.M., Gladysheva N.E., Kopteltseva O.Yu., Avtaev V.V., Yakovlev N.O., Gulina I.V. Application of the digital image correlation method for constructing deformation diagrams in true coordinates. Izvestiya vysshikh uchebnykh zavedeniy. Tsvetnaya metallurgiya, 2023, vol. 29, no. 3, pp. 79–88. DOI: 10.17073/0021-3438-2023-3-79-88.
12. Strohmann T., Starostin-Penner D., Breitbarth E., Requena G. Automatic detection of fatigue crack paths using digital image correlation and convolutional neural networks. Fatigue Fracture of Engineering Materials Structures, 2021, vol. 44, pp. 1336–1348.
13. Orell O., Jokinen J., Kanerva M. Use of DIC in the characterization of mode II crack propagation in adhesive fatigue testing. International Journal of Adhesion and Adhesives. 2023, vol. 122, рр. 1–10.
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15. Avtaev V.V., Yakovlev N.O. Study of static crack resistance and fracture resistance of thin-sheet aluminum alloy using digital image correlation. Deformatsiya i razrusheniye materialov, 2020, nо. 2, pp. 29–35.
16. Lopez-Crespo P., Shterenlikht A., Patterson E.A. et al. The stress intensity of mixed mode cracks determined by digital image correlation. Journal Strain Analysis, 2008, vol. 43, no. 8, pp. 769–780.
17. Du Y., Diaz F.A., Burguete R.L., Patterson E.A. Evaluation using digital image correlation of stress intensity factors in an aerospace panel. Experimental Mechanics, 2011, vol. 51, pp. 45–57.
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19. Butakov V.V., Lugovoy A.A., Varrik N.M., Babashov V.G. Assessment of thermal conductivity of a layered highly porous thermal insulation material. Aviation materials and technologies, 2022, no. 3 (68), paper no. 11. Available at: http://www.journal.viam.ru (accessed: February 29, 2024). DOI: 10.18577/2713-0193-2022-0-1-129-142.
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dx.doi.org/ 10.18577/2307-6046-2024-0-6-92-104

УДК 620.193.2

Panchenko Yu.M., Marshakov A.I., Nenasheva T.A., Kutyrev A.E., Fomina M.A., Vdovin A.I.

PREDICTIONS OF FIRST-YEAR CORROSION LOSSES OF STRUCTURAL METALS DEPENDING ON THE ORIENTATION OF SAMPLES AT DIFFERENT DISTANCES FROM THE SEASHORE

An anomalously high rate of chloride deposition observed in Gelendzhik in February 2023 during the annual corrosion tests was investigated. An estimation of the threshold value of the chloride deposition rate on samplers corresponding to the rate of chloride deposition directly on the surface of metal samples is given. The correction of calculation of the average annual rate of chloride deposition ([Cl]) under anomalously high salinity of the atmosphere is proposed. Based on the average annual climatic parameters and [Cl] by dose-response functions the forecast of first-year corrosion losses of metals is made.

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10.

CONTENТS

Light-metal alloys

Benarieb I., Panteleev M.D., Oglodkov M.S., Sbitneva S.V., Pakhomkin S.I. The effect of heat treatment on the structure and mechanical properties of joints, produced by electron beam welding of extrusions from aluminium-lithium alloy V-1469

Leonov А.А., Zavarzin S.V., Trofimov N.V. On some features of the influence of the composition of the magnesium anode on its electrochemical behavior in relation to magnesium-ion batteries

Senenko S.A., Bogachev I.A., Shoshev F.L. Effect of the fractional composition of the metal-powder composition of the VT6 alloy on the surface roughness, structure and mechanical properties of the printed material obtained by selective electron beam melting

Polymer materials

Isaev A.Yu., Rubcova E.V., Lukina N.F. Properties and purpose of film adhesives (constructional and foaming) with lowered combustibility

Composite materials

Donetskiy K.I., Ablyaz T.R., Shlykov E.S., Osinnikov I.V., Blokhin V.B., Muratov K.R. Study of the influence of the electrical discharge machining process on the structure of polymer composite material VKU-29

Protective and functional

coatings

Zverevich Yu.K., Krechetov D.D., Zhelez-nyak V.G. Investigation of the effect of modifiers on the electrical conductivity of the model composition based on an epoxy oligomer

Material tests

Buzenkov A.V., Burkanov M.V., Valeev R.A., Piskorsky V.P. Influence of alloying elements and production technology on the properties of sintered magnets Pr(Nd)–Dy(M)–Fe–Co–B (M: Tb, Ce, Sm)

Monakhov A.D., Yakovlev N.O. Application of the deep learning method in studying crack resistance characteristics

Panchenko Yu.M., Marshakov A.I., Nenasheva T.A., Kutyrev A.E., Fomina M.A., Vdovin A.I. Predictions of first-year corrosion losses of structural metals depending on the orientation of samples at different distances from the seashore

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