| 30Cr2Ni4MoV钢多道次变形条件下的动态再结晶行为 |
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| 引用本文： | 刘鑫,钟约先,马庆贤,袁朝龙. 30Cr2Ni4MoV钢多道次变形条件下的动态再结晶行为[J]. 塑性工程学报, 2010, 17(2). DOI: 10.3969/j.issn.1007-2012.2010.02.022 |
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| 作者姓名： | 刘鑫 钟约先 马庆贤 袁朝龙 |
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| 作者单位： | 清华大学,机械工程系,先进成形制造教育部重点实验室,北京,100084 |
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| 基金项目： | "十一五"国家科技支撑计划项目，国家自然科学基金资助项目，教育部博士点基金资助项目 |
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| 摘 要： | 汽轮机低压转子是大型核电机组的关键零部件,其主要用钢为30Cr2Ni4 MoV钢。文章通过高温热力学模拟实验,研究30Cr2Ni4 MoV钢在应变速率0.01s-1,温度1200℃～1150℃、1100℃～1050℃、1000℃～950℃双道次变形条件下的高温变形行为,得到30Cr2Ni4 MoV钢在大型锻造件生产中多道次变形条件下的流动应力曲线,以及动态再结晶的发生条件和组织控制规律。
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| 关 键 词： | 30Cr2Ni4MoV钢 低压转子 多道次 动态再结晶 |
Research on the dynamic recrystallization behavior of 30Cr2Ni4MoV LP rotor steel under multi-pass deformation |
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| LIU Xin,ZHONG Yue-xian,MA Qing-xian,YUAN Chao-long. Research on the dynamic recrystallization behavior of 30Cr2Ni4MoV LP rotor steel under multi-pass deformation[J]. Journal of Plasticity Engineering, 2010, 17(2). DOI: 10.3969/j.issn.1007-2012.2010.02.022 |
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| Authors: | LIU Xin ZHONG Yue-xian MA Qing-xian YUAN Chao-long |
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| Affiliation: | LIU Xin ZHONG Yue-xian MA Qing-xian YUAN Chao-long(Key Laboratory for Advanced Materials Processing Technology of Ministry of Education,Department of Mechanical Engineering,Tsinghua University,Beijing 100084 China) |
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| Abstract: | 30Cr2Ni4MoV is the commonly used material of low-pressure rotor which is the key component of nuclear power plant.Based on the thermodynamics simulation research of two-pass deformation,which was conducted at strain rate 0.01s-1 and temperature range 1200℃~1150℃,1100℃~1050℃,and 1000℃~950℃ respectively,the flow stress curves of 30Cr2Ni4MoV under the production condition of heavy forging was obtained.The critical conditions of dynamic recrystallization and the microstructure control were studied. |
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| Keywords: | 30Cr2Ni4MoV low-pressure rotor multi-pass dynamic recrystallization |
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