jamtJournal of Advanced Materials and TechnologiesJournal of Advanced Materials and Technologies2782-21922782-2206ФГБОУ ВО «ТГТУ»10.17277/jamt-2026-11-02-104-117jamt-92Research ArticleСовременные конструкционные материалы, материалы для экстремальных условийAdvanced structural materials, materials for extreme conditionsИсследование эволюции и фазообразования на границе раздела сварного соединения 08Х18Н10Т–АМг6 после сварки взрывом и термической обработки с помощью послойного рентгеноструктурного анализаStudy of evolution and phase formation at the 08Cr18Ni10Ti–AlMg6 weld interface after explosive welding and heat treatment via layer-by-layer XRD analysishttps://orcid.org/0000-0002-0567-7307МалаховА. Ю.MalakhovA. Yu.

Малахов Андрей Юрьевич, кандидат технических наук, старший научный сотрудник

ул. Академика Осипьяна, 8, Черноголовка, 142432

Andrey Yu. Malakhov, Cand. Sc. (Eng.), Senior Researcher

8, Academician Osipyan St., Chernogolovka, 142432

https://orcid.org/0000-0002-8285-5656КовалевД. Ю.KovalevD. Yu.

Ковалев Дмитрий Юрьевич, доктор физико-мате­матических наук, главный научный сотрудник

ул. Академика Осипьяна, 8, Черноголовка, 142432

Dmitry Yu. Kovalev, D. Sc. (Phys. and Math.), Chief Research

8, Academician Osipyan St., Chernogolovka, 142432

https://orcid.org/0000-0002-3714-3983СеропянС. А.SeropyanS. A.

Серопян Степан Арутюнович, младший научный сотрудник

ул. Академика Осипьяна, 8, Черноголовка, 142432

Stepan A. Seropyan, Junior Research

8, Academician Osipyan St., Chernogolovka, 142432

stepan.seropyan@yandex.ruhttps://orcid.org/0000-0002-1065-3318ДенисовИ. В.DenisovI. V.

Денисов Игорь Владимирович, кандидат техни­ческих наук, старший научный сотрудник

ул. Академика Осипьяна, 8, Черноголовка, 142432

Igor V. Denisov, Cand. Sc. (Eng.), Senior Researcher

8, Academician Osipyan St., Chernogolovka, 142432

https://orcid.org/0000-0003-1812-2930НиезбековН. Н.NiyozbekovN. N.

Ниёзбеков Неъмат Ниёзбекович, младший науч­ный сотрудник

ул. Академика Осипьяна, 8, Черноголовка, 142432

Nemat N. Niyozbekov, Junior Research

8, Academician Osipyan St., Chernogolovka, 142432

https://orcid.org/0000-0002-6542-7123СайковаГ. Р.SaikovaG. R.

Сайкова Гульназ Рафиковна, кандидат техни­ческих наук, старший научный сотрудник

ул. Академика Осипьяна, 8, Черноголовка, 142432

Gulnaz R. Saikova, Cand. Sc. (Eng.), Senior Researcher

8, Academician Osipyan St., Chernogolovka, 142432

Институт структурной макрокинетики и проблем материаловедения им. А. Г. Мержанова РАНРоссияMerzhanov Institute of Structural Macrokinetics and Materials Science, Russian Academy of ScienceRussian Federation202612072026112104117Copyright © Малахов А.Ю., Ковалев Д.Ю., Серопян С.А., Денисов И.В., Ниезбеков Н.Н., Сайкова Г.Р., 20262026Малахов А.Ю., Ковалев Д.Ю., Серопян С.А., Денисов И.В., Ниезбеков Н.Н., Сайкова Г.Р.Malakhov A.Y., Kovalev D.Y., Seropyan S.A., Denisov I.V., Niyozbekov N.N., Saikova G.R.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://jamt.elpub.ru/jour/article/view/92

Методом послойного рентгеноструктурного анализа (РФА) исследована фазовая эволюция в зоне соединения биметалла  сталь 08Х18Н10Т–АМг6, полученного сваркой взрывом, с последующим изотермическим отжигом при 500–550 °C. Установлено, что после сварки взрывом в приповерхностных слоях формируется метастабильная квазикристаллическая фаза Al86Fe14, которая распадается при изотермическом отжиге с образованием равновесных интерметаллических соединений Al5Fe2 и Al13Fe4. Также  после отжига фиксируется формирование тройной фазы Cr2Mg3Al18, что свидетельствует об активизации диффузионного взаимодействия компонентов стали и алюминиевого сплава. Таким образом, показана последовательная эволюция фазового состава в зоне соединения после сварки взрывом и термического воздействия. Полученные результаты расширяют представления о механизмах фазообразования и диффузионных процессов на границе соединения в биметалле сталь 08Х18Н10Т–АМг6 при сварке взрывом, а также о влиянии термического воздействия на эволюцию фаз.

The phase evolution in the joint zone of the 08Cr18Ni10Ti–AlMg6 bimetal obtained by explosive welding followed by isothermal annealing at 500–550 °C was investigated using the method of layer-by-layer XRD analysis. It was established that after explosive welding, a metastable quasicrystalline phase, Al86Fe14, forms in the near-surface layers. This phase decomposes during isothermal annealing, leading to the formation of equilibrium intermetallic compounds Al5Fe2 and Al13Fe4. Additionally, after annealing, the formation of a ternary phase, Cr2Mg3Al18, is detected, indicating the activation of diffusion interaction between the components of the steel and the aluminium alloy. Thus, a sequential evolution of the phase composition in the joint zone after explosive welding and thermal exposure is demonstrated. The results obtained expand the understanding of the mechanisms of phase formation and diffusion processes at the joint interface in the 08Cr18Ni10Ti–AlMg6 bimetal during explosive welding, as well as the influence of thermal exposure on phase evolution.

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The authors declare that there are no conflicts of interest present.