OBRABOTKAMETALLOV Vol. 27 No. 2 2025 251 MATERIAL SCIENCE мировать поверхностный слой с улучшенными характеристиками: микротвердость увеличивается до 670 HV, коэффициент трения снижается до 0,075, формируется благоприятная фазовая структура с усилением γ’-фазы или образованием дополнительной TiO2-фазы. При этом аддитивные образцы показывают большую чувствительность к обработке, что требует оптимизации режимов для каждого типа материала, а разработанные подходы могут быть применены в авиакосмической и машиностроительной отраслях для повышения эксплуатационных характеристик деталей из жаропрочных никелевых сплавов. Список литературы 1. Pollock T.M., Tin S. Nickel-based superalloys for advanced turbine engines: chemistry, microstructure and properties // Journal of Propulsion and Power. – 2006. – Vol. 22 (2). – P. 361–374. – DOI: 10.2514/1.18239. 2. Microstructure evolution during supersolvus heat treatment of a powder metallurgy nickel-base superalloy / S.L. Semiatin, K.E. McClary, A.D. 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