• the effect of type of atmospheric gas on milling behavior of nanostructured ti6al4v alloy

    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1393/01/01
    • تاریخ انتشار در تی پی بین: 1393/01/01
    • تعداد بازدید: 544
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     recently fabrication of titanium alloys through solid state processes such as mechanical alloying has been greatly taken into consideration. in the present investigation the effects of common atmospheric impurities, oxygen and nitrogen, on the fabrication procedure and milling behavior of nanostructured ti–6al–4v alloy during mechanical alloying (ma) was studied. in this regards, elemental powders were milled under three different protective atmospheres of air, 90% and 99.998% pure argon. results indicated that, samples milled under ar with 90% purity featured the best behavior and reached a nanostructure and subsequent amorphous state in shorter time periods. this was considered to be due to ti lattice distortion made by interstitial element such as o2 and n2.

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