• hot workability of 00cr13ni5mo2 supermartensitic stainless steel

    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1390/01/01
    • تاریخ انتشار در تی پی بین: 1390/01/01
    • تعداد بازدید: 564
    • تعداد پرسش و پاسخ ها: 0
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     the hot workability of 00cr13ni5mo2 supermartensitic stainless steel was investigated by hot compression and hot tension tests conducted over the temperature range of 950–1200 °c and strain rates varying between 0.1 and 50 s−1. the processing map technique was applied on the basis of dynamic materials model and prasad instability criterion. microstructure evolutions, zener–hollomon parameter as well as hot tensile ductility were examined. the results show that, as for the hot working of 00cr13ni5mo2 supermartensitic stainless steel in the industrial production, the large strain deformation should be carried out in the temperature range 1140–1200 °c and strain rate range 0.1–50 s−1, where the corresponding zener–hollomon parameters exhibit low values. moreover, when deformed under high strain rate range (above 15 s−1), the deformation temperature can be reduced reasonably.

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