| Q345钢在直轧过程中二相粒子析出对奥氏体晶粒的影响 |
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| 引用本文： | 米振莉,余伟,陈银莉,蔡庆伍,董晓辉.Q345钢在直轧过程中二相粒子析出对奥氏体晶粒的影响[J].北京科技大学学报,2002,24(5):507-510. |
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| 作者姓名： | 米振莉 余伟 陈银莉 蔡庆伍 董晓辉 |
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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. 冶金部建筑研究总院,北京,100088 |
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| 摘 要： | 通过热模拟轧制技术,研究了不同工艺条件下二相粒子析出物对奥氏体再结晶的影响,并对Q345钢直接轧制工艺中C,N化物的析出对组织性能的影响进行了深入探讨.结果表明,利用二相粒子析出可以细化奥氏体晶粒组织,从而改善钢的内部组织和材料的力学性能.
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| 关 键 词： | Q345钢 直轧 二相粒子 析出 奥氏体晶粒 |
| 修稿时间： | 2001年6月29日 |
Precipitate Effect on Austenite Grains of Steel Q345 in Direct Hot Rolling |
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| MI Zhenli,YU Wei,CHEN Yinli,CAI Qingwu,DONG XiaohuiNational Engineering Research Center for Advanced Rolling Technology,UST Beijing,Beijing ,ChinaCenter Research Institute of Building and Construction,Beijing ,China.Precipitate Effect on Austenite Grains of Steel Q345 in Direct Hot Rolling[J].Journal of University of Science and Technology Beijing,2002,24(5):507-510. |
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| Authors: | MI Zhenli YU Wei CHEN Yinli CAI Qingwu DONG XiaohuiNational Engineering Research Center for Advanced Rolling Technology UST Beijing Beijing ChinaCenter Research Institute of Building and Construction Beijing China |
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| Institution: | MI Zhenli,YU Wei,CHEN Yinli,CAI Qingwu,DONG XiaohuiNational Engineering Research Center for Advanced Rolling Technology,UST Beijing,Beijing 100083,ChinaCenter Research Institute of Building and Construction,Beijing 100088,China |
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| Abstract: | Precipitation effects on austenite recrystallization were studied with Gleeble 1500 in the traditional rolling and the direct hot rolling. The influence of the precipitation of C, N on the microstructure and properties was investigated in the direct rolling of Q245 steel. It can be concluded that the precipition of C,N could fine the austenite grain size and improve the microstrutre and properties of steel. |
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| Keywords: | Q345 steel direct rolling microalloy element precipitation austenite grain |
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