• obtaining nial intermetallic compound using different milling devices

    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1393/01/01
    • تاریخ انتشار در تی پی بین: 1393/01/01
    • تعداد بازدید: 577
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     nial intermetallic compound was synthesized by mechanical alloying technique in planetary and attritor mills. the starting powders consisted of elemental mixtures of ni and al at ni50al50 (at%) composition. in the planetary mill, compound formation occurred gradually during mechanical alloying, while the occurrence of a mechanically induced self-propagating reaction (msr) can be suggested in the attritor mill. the nial obtained in both mill types was partially disordered with long-range order parameter not inferior to 0.66. quantitative phase analysis using the rietveld method was performed in as-milled samples, and this method was also employed to estimate changes in crystallite size and lattice strain of the nial produced during mechanical alloying.

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