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Микроструктура и свойства порошковых композитов с алюминиевой матрицей, упрочненной углеродными наноматериалами

Утпал Кумар Рой, Субрата Мондал

Аннотация


Исследованы структура и свойства порошковых композитов с алюминиевой матрицей, армированной углеродными материалами двух типов нанотрубками (УНТ) и нановолокнами (УНВ) в количестве 0,5 - 1,5 % (масс.). Микроструктуру композитов анализировали с использованием световой и сканирующей электронной микроскопии. Установлено, что твердость, прочность на сжатие и износостойкость нанокомпозитов возрастают при увеличении массовой доли УНТ и УНВ за счет измельчения зерен и равномерного распределения наночастиц в матрице. Армирование УНТ является более эффективным.

Ключевые слова


металломатричные композиты; углеродные наноматериалы; микроструктура; морфология; прочность на сжатие; износостойкость

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Литература


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DOI: https://doi.org/10.30906/mitom.2022.3.23-29

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