Hot Deformation Behavior of an As-cast Duplex Stainless Steel

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J Mater Sci Technol ›› 2003, Vol. 19 ›› Issue (04): 379-381.

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Hot Deformation Behavior of an As-cast Duplex Stainless Steel

Pingli MAO, Ke YANG, Guoyue SU

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

Received:1900-01-01 Revised:1900-01-01 Online:2003-07-28 Published:2009-10-10
Contact: Ke YANG

Abstract

Abstract: 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 kJ/mol.

Key words: Hot deformation, Duplex stainless steel, Microstructure

Pingli MAO, Ke YANG, Guoyue SU. Hot Deformation Behavior of an As-cast Duplex Stainless Steel[J]. J Mater Sci Technol, 2003, 19(04): 379-381.

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Hot Deformation Behavior of an As-cast Duplex Stainless Steel

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