| F40级船板钢的应变时效行为 |
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| 引用本文： | 温永红,唐荻,武会宾,范王展,郭振,肖大恒,李曲全.F40级船板钢的应变时效行为[J].北京科技大学学报,2008,30(11). |
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| 作者姓名： | 温永红 唐荻 武会宾 范王展 郭振 肖大恒 李曲全 |
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| 作者单位： | 1. 北京科技大学高效轧制国家工程研究中心,北京,100083
2. 湘潭钢铁集团有限公司科技开发中心,湘潭,411101 |
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| 摘 要： | 通过SEM、TEM和多功能内耗仪研究了F40级船板钢应变时效后的微观组织变化以及时效过程中的内耗行为. 结果表明:应变时效过程中,F40级船板钢宏观组织没有发生明显的变化,组织很稳定;在内耗-温度曲线上230℃时出现一个内耗峰,这是由于游离态的碳原子在此条件下钉扎位错和摆脱位错钉扎所导致;位错组态的变化及位错与碳原子相互作用的宏观效应表现为钢板应变时效后硬度上升,韧性下降,韧脆转变温度升高.
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| 关 键 词： | 船板钢 应变时效 微观组织 内耗行为 |
Strain aging of F40 hull structure steel |
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| WEN Yonghong,TANG Di,WU Huibin,FAN Wangzhan,GUO Zhen,XIAO Daheng,LI Ququan.Strain aging of F40 hull structure steel[J].Journal of University of Science and Technology Beijing,2008,30(11). |
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| Authors: | WEN Yonghong TANG Di WU Huibin FAN Wangzhan GUO Zhen XIAO Daheng LI Ququan |
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| Institution: | WEN Yonghong1),TANG Di1),WU Huibin1),FAN Wangzhan1),GUO Zhen1),XIAO Daheng2),LI Ququan2)1) National Engineering Research Center for Advanced Rolling Technology,University of Science , Technology Beijing,Beijing 100083,China 2) The Technological Center of Xiangtan Iron & Steel Co.Ltd.,Xiangtan 411101,China |
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| Abstract: | The effects of strain aging on the microstructure evolution and internal friction of F40 hull structure steel were studied by SEM,TEM and multi-functional internal friction apparatus.The result showed that there was no obvious change in microstructure during the process of strain aging,displaying better microstructure stability.A peak was found in the curve of internal friction to temperature,which can be attributed to C trapping on dislocations and dislocation motion.The strain aging phenomenon induced an ... |
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| Keywords: | hull structure steel strain aging microstructure internal friction |
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