| 316LN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： | 潘品李,钟约先,马庆贤,袁朝龙,罗晋平. 316LN钢多道次变形条件下的动态再结晶行为[J]. 塑性工程学报, 2011, 18(5). DOI: 10.3969/j.issn.1007-2012.2011.05.003 |
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| 作者姓名： | 潘品李 钟约先 马庆贤 袁朝龙 罗晋平 |
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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”国家科技支撑计划资助项目 |
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| 摘 要： | 通过高温热力学模拟实验,研究了大型核电主管道用钢316LN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,得到了该钢种在多道次变形条件下的流动应力曲线。通过对热模拟试样高温淬火后显微组织的研究分析,得到了多道次变形条件下的动态再结晶规律和组织控制规律。
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| 关 键 词： | 316LN钢 主管道 多道次 动态再结晶 |
Research on the dynamic recrystallization behavior of 316LN steel under multi-pass deformation |
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| PAN Pin-li,ZHONG Yue-xian,MA Qing-xian,YUAN Chao-long,LUO Jin-ping. Research on the dynamic recrystallization behavior of 316LN steel under multi-pass deformation[J]. Journal of Plasticity Engineering, 2011, 18(5). DOI: 10.3969/j.issn.1007-2012.2011.05.003 |
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| Authors: | PAN Pin-li ZHONG Yue-xian MA Qing-xian YUAN Chao-long LUO Jin-ping |
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| Affiliation: | PAN Pin-li ZHONG Yue-xian MA Qing-xian YUAN Chao-long LUO Jin-ping(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: | Based on the thermodynamics research of two-pass deformation conducted at strain rate 0.01s-1 and temperature 1200℃~1150℃,1100℃~1050℃,and 1000℃~950℃,the flow stress curves of steel 316LN for large-sized nuclear main pipe under multi-pass deformation was investigated.The microstructure of the thermal simulation samples after quenching was studied and the laws of dynamic recrystallization and the rules for microstructure control under multi-pass deformation were given. |
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| Keywords: | 316LN main pipe multi-pass dynamic recrystallization |
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