| 超快速冷却工艺对中低碳钢组织性能的影响 |
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| 引用本文： | 付天亮,邓想涛,王昭东,崔栋梁.超快速冷却工艺对中低碳钢组织性能的影响[J].东北大学学报(自然科学版),2010,31(3):370. |
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| 作者姓名： | 付天亮 邓想涛 王昭东 崔栋梁 |
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| 作者单位： | 东北大学,轧制技术及连轧自动化国家重点实验室,辽宁,沈阳,110004;河北敬业集团中板厂,河北,石家庄,050400 |
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| 基金项目： | 国家自然科学基金资助项目(50504007);;国家高技术研究发展计划项目(2003AA33G010) |
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| 摘 要： | 基于UFC-ACC设计理念,结合超快速冷却机理及其在中厚板产品处理过程中的技术实现,针对中低碳钢采用不同轧制方式,分析超快冷后钢板力学性能变化,得出较优超快冷冷却规程;同时,对比不同工艺条件下的金相组织,结合理论计算,总结出超快速冷却条件下中低碳钢组织性能演变规律.从分析结果看,中低碳钢冲击韧性明显提高,其他力学性能也有较大改善;此外,UFC-ACC冷后机体大部分为细小均匀的F+P组织,并能保持原奥氏体中的高密度位错,使钢板性能优于普通ACC处理后钢板.
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| 关 键 词： | 超快速冷却 中低碳钢 组织性能 力学性能 组织预测 加速冷却 |
Effect of UFC Technology on Structure Property of Medium/Low Carbon Steel |
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| FU Tian-liang,DENG Xiang-tao,WANG Zhao-dong,CUI Dong-liang.Effect of UFC Technology on Structure Property of Medium/Low Carbon Steel[J].Journal of Northeastern University(Natural Science),2010,31(3):370. |
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| Authors: | FU Tian-liang DENG Xiang-tao WANG Zhao-dong CUI Dong-liang |
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| Institution: | 1.The State Key Laboratory of Rolling and Automation;Northeastern University;Shenyang 110004;China;2.Hebei Jingye Group;Shijiazhuang 050400;China |
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| Abstract: | Based on the UFC-ACC design idea and combining the UFC mechanism with its cooling technological applications in medium/heavy plate production,an optimal UFC schedule was given including different rolling processes with the plates' mechanical properties changed after UFC analyzed.Comparing the metallographic structures obtained from different technological processes and combining them with theoretical calculation,how the structure property of medium/low carbon steel evolves due to UFC was discussed and summa... |
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| Keywords: | UFC(ultra fast cooling) medium/low carbon steel structure property mechanical property structure prediction ACC(accelerating control cooling) |
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