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Dynamic Recrystallization Behavior and Microstructure Evolution of AISI 304N Stainless Steel 被引量:11

Dynamic Recrystallization Behavior and Microstructure Evolution of AISI 304N Stainless Steel
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摘要 Dynamic recrystallization of 304N stainless steel was investigated at deformation temperatures of 900- 1 300 ℃ and strain rates of 0.01 10 s by a Gleeble-1500 thermo-mechanical simulator. And the microstructure evolu lions of specimens with different deformation temperatures were observed by using a transmission electron micro scope. Results indicated that compared with conventional AISI 304 austenitie stainless steel, 304N stainless steel has higher deformation resistance force and deformation activation energy under similar conditions. In addition, the flow stress constitutive equation of 304N stainless steel was obtained by regression analysis of experimental stress strain data, and the calculated values proposed by the mathematical model agree well with the experimental results. Dynamic recrystallization of 304N stainless steel was investigated at deformation temperatures of 900- 1 300 ℃ and strain rates of 0.01 10 s by a Gleeble-1500 thermo-mechanical simulator. And the microstructure evolu lions of specimens with different deformation temperatures were observed by using a transmission electron micro scope. Results indicated that compared with conventional AISI 304 austenitie stainless steel, 304N stainless steel has higher deformation resistance force and deformation activation energy under similar conditions. In addition, the flow stress constitutive equation of 304N stainless steel was obtained by regression analysis of experimental stress strain data, and the calculated values proposed by the mathematical model agree well with the experimental results.
出处 《Journal of Iron and Steel Research International》 SCIE EI CAS CSCD 2013年第10期107-112,共6页
基金 Item Sponsored by High-Tech Research and Development Program(863 Program)of China(2006AA03Z525)
关键词 304N stainless steel dynamic recrystallization constitutive equation microstructure evolution 304N stainless steel dynamic recrystallization constitutive equation microstructure evolution
作者简介 Biography:WANG Chang- jun(1984- ), Male, Doctor Candidate; E-mail: dajun198451@163.com
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