• effect of mo addition on the microstructure and wear resistance of in situ tic/al composite

    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1390/01/01
    • تاریخ انتشار در تی پی بین: 1390/01/01
    • تعداد بازدید: 492
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     in this work, mo was investigated as an additive for in situ preparation of tic/al composite using a casting route assisted by self-propagating high-temperature synthesis (shs). experimental results show mo improves the wettability between tic phase and aluminium melt due to the formation of a mo-rich shell around the formed tic particles, which is a kind of good modificator. compared with the composite without added mo, 1.0 wt.% mo addition developed finer matrix structure, significant refinement of tic particles and more uniform distribution of tic particles in the matrix. meanwhile, both wear and tensile properties of tic/al composite were improved with 1.0 wt.% mo addition and then deteriorated with the further increase of mo content due to the formation of fragile phase al5mo.

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