| Hot Deformation Behavior of an As—cast Duplex Stainless Steel |
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| 作者姓名： | PingliMAO KeYANG GuoyueSU |
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| 作者单位： | [1]SchoolofMetalMaterial,ShenyangUniversityofTechnology,Shengyang110023,China [2]InstituteofMetalResearch,ChineseAcademyofScienccs,Shengyang110016,China |
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| 摘 要： | The hot deformation behavior of an as-cast 0Crl7Mnl4Mo2N duplex stainless steel has been studied by hot com-pression 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.
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| 关 键 词： | 热变形 不锈钢 微观结构 机械性能 热压缩 高温 疲劳速度 试验研究 |
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