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نویسندگان مقالات پربازدید :
مواد و طراحی
جزئیات رویداد
اینستاگرام تی پی بین
همایش ، رویداد ، ژورنال
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  • an investigation to the microstructural evolution of fe–29mn–5al dual-phase twinning-induced plasticity steel through annealing

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    • تاریخ ارائه: 1390/01/01
    • تاریخ انتشار در تی پی بین: 1390/01/01
    • تعداد بازدید: 503
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     the potential effects of twinning induced plasticity have been taken into consideration to further improve the mechanical properties of advanced high-strength steels. accordingly the high-mn twinning-induced plasticity (twip) steels with austenite–ferrite dual-phase microstructure have been developed. in the present study, the influence of cold rolling and post-annealing treatments on the microstructural evolution and mechanical behavior of a group of dual-phase twip steel as a function of annealing time have been investigated. the mechanical behavior of processed materials has been examined through applying a set of low strain rate (0.001 s−1) compression tests at room temperature. the austenite recrystallization characteristics during various annealing conditions are explained through proper microstructural examinations. the results indicate that as the recrystallization proceeds with annealing time the related yield stress deceases. the rapid drop of yield stress in short annealing periods is related to the onset of recrystallization. the yield stress variation diminishes as the annealing duration increases. this is attributed to the formation of austenite side-plates which may balance the softening effects of restoration processes.

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