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Микроструктура и свойства гибридных композитов АА6082/(SiC + графит)
https://doi.org/10.17073/1683-4518-2018-9-40-46
Аннотация
Микроструктура и свойства гибридных композитов АА6082/(SiC + графит) Разработаны композиты с матрицей из гибридного алюминия AA6082 (hybrid aluminium matrix composites ― HAMC), упрочненные разным количеством керамического сыпучего материала из смеси карбид кремния (SiC) + графит (Gr). Количество керамического порошка от 5 до 15 мас. %. Проанализированы такие параметры гибридных композитов, как микроструктура, плотность и пористость, а также механические свойства ― стойкость и предел прочности при растяжении. На микрофотографиях, полученных на сканирующем электронном микроскопе, обнаружено равномерное распределение частиц (SiC + Gr) в алюминиевой матрице. Плотность и пористость гибридного композита увеличиваются соответственно от 2,69 до 2,72 г/см3 и от 0,37 до 1,20 %, твердость по Виккерсу и предел прочности при растяжении ― соответственно от HV 49,5 до 85 и от 161,5 до 187 MПa, а показатель относительного удлинения снижается от 8,6 до 5,3 по мере повышения содержания керамической сыпучей добавки (SiC + Gr) от 0 до 15 мас. %.
Об авторах
П. ШармаИндия
Панипат
В. Дабра
Индия
Панипат
С. Шарма
Индия
Грейте Нойда
Д. Хандуя
Индия
Курукшетра
Н. Шарма
Индия
Амбала
Р. Шарма
Индия
Грейте Нойда
К. Сайни
Индия
Панипат
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Дополнительные файлы
Для цитирования: Шарма П., Дабра В., Шарма С., Хандуя Д., Шарма Н., Шарма Р., Сайни К. Микроструктура и свойства гибридных композитов АА6082/(SiC + графит). Новые огнеупоры. 2018;(9):40-46. https://doi.org/10.17073/1683-4518-2018-9-40-46
For citation: Sharma P., Dabra V., Sharma S., Khanduja D., Sharma N., Sharma R., Saini K. Investigation on microstructural, physical and mechanical properties of AA6082/(SiC + + Graphite) hybrid composites. NOVYE OGNEUPORY (NEW REFRACTORIES). 2018;(9):40-46. (In Russ.) https://doi.org/10.17073/1683-4518-2018-9-40-46
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