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Влияние армирования металлическими, углеродными и керамическими наполнителями на физические и механические свойства композитов с медной матрицей

Навин Кумар, Аджая Бхарти, Сайед Мохд Азам

Аннотация


Изучены физические и механические свойства композитов, полученных армированием медной матрицы частицами порошка Gr (графита), Ti, SiC и B4C. Определены плотность и пористость композитов после компактирования и спекания, а также твердость, структура и предел прочности на сжатие полученных образцов. Установлено, что плотность композитов меньше, чем у чистой меди, как после компактирования, так и после спекания. При этом после спекания плотность меди и композитов Cu - 10 % Ti, Cu - 10 % SiC и Cu - 10 % B4C увеличивается, а композита Cu - 10 % Gr снижается. Армирование медной матрицы частицами Ti и B4C повышает механические свойства композитов, а армирование графитом и SiC снижает.

Ключевые слова


медь; металломатричные композиты; графит; SiC; титан; B4C; микроструктура; механические свойства

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Литература


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DOI: https://doi.org/10.30906/mitom.2022.4.36-40

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