Hot Deformation Behavior of an As-cast Duplex Stainless Steel

材料科学技术（英）, 2003, 19(4): 379-381.

^1, , ^2, , ^3,

1.Institute of Metal Research, Chinese Academy of Sciences, Shengyang 110016, China;School of Metal Material, Shenyang University of Technology, Shengyang 110023, China

2.Institute of Metal Research, Chinese Academy of Sciences, Shengyang 110016, China

3.Institute of Metal Research, Chinese Academy of Sciences, Shengyang 110016, China

Hot Deformation Behavior of an As-cast Duplex Stainless Steel

Keywords： Hot deformation

The hot deformation behavior of an as-cast 0Cr17Mn14Mo2N duplex stainless steel has been studied by hot compression test at the temperature range from 1000℃ to 1200℃, and the strain rates are 0.1 s-1, 1 s-1 and 5 s-1,respectively. It was found that during hot deformation there is only dynamic recovery taking place within the δ-ferrite phase, but the γ-austenite phase undergoes dynamic recrystallization. The activation energy of the steel for hot compression is estimated to be 480 k J/mol.

参考文献

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[2]	W Gao;A Belyakov .[J].Journal of Miura and T Sakai:Mater Sci Eng,1999,A265:233.
[3]	K. TSUZAKI;HUANG XIAOXU;T. MAKI .MECHANISM OF DYNAMIC CONTINUOUS RECRYSTALLIZATION DURING SUPERPLASTIC DEFORMATION IN A MICRODUPLEX STAINLESS STEEL[J].Acta materialia,1996(11):4491-4499.

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Hot Deformation Behavior of an As-cast Duplex Stainless Steel

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