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Влияние добавки циркония на фазовые превращения, микроструктуру и износостойкость высокоэнтропийного сплава AlCoCrCuFe

Ма Минсин, Ван Чжисинь, Чжоу Цзячэнь, Сун Мэн, Чзан Дэлян, Чжу Дачуань

Аннотация


Исследовано влияние добавок циркония на микроструктуру, фазовый состав, микротвердость и износостойкость высокоэнтропийного сплава AlCoCrCuFe с равным мольным соотношением компонентов. Проведены металлографические исследования с использованием методов рентгеновской дифракции, световой и электронной микроскопии и механические испытания на износ. Показано положительное влияние добавок циркония на твердость, прочность и износостойкость сплава AlCoCrCuFeZr за счет измельчения зерна, твердорастворного упрочнения и изменения фазового состава.

Ключевые слова


высокоэнтропийные сплавы; фазовые превращения; микроструктура; микротвердость; износостойкость

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Литература


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DOI: https://doi.org/10.30906/mitom.2021.9.9-18


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