| 连续退火对5% Mn超细晶TRIP钢组织性能的影响 |
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| 引用本文： | 赵征志,尹鸿祥,赵爱民,何建国,丁然,郑红红.连续退火对5% Mn超细晶TRIP钢组织性能的影响[J].材料科学与工艺,2014,22(5):54-59. |
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| 作者姓名： | 赵征志 尹鸿祥 赵爱民 何建国 丁然 郑红红 |
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| 作者单位： | 北京科技大学 冶金工程研究院,北京,100083 |
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| 基金项目： | 国家自然科学基金资助项目(50904006)；中央高校基本科研业务费专项资金(FRF-TP-10-001A)；教育部博士学科点专项科研基金(20110006110007). |
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| 摘 要： | 为开发强度和塑性良好配合的第三代汽车钢,采用CCT-AY-Ⅱ型钢板连续退火机模拟分析了不同退火温度和时间对0.1C-5Mn中锰TRIP钢组织性能的影响规律.采用SEM和EBSD等微观分析方法观察不同工艺下制备的中锰TRIP的微观组织,利用XRD方法测量残余奥氏体体积分数,通过实验测量其力学性能.结果表明:实验的中锰TRIP钢在650℃保温3 min退火后获得最佳的综合力学性能,其抗拉强度为1 022 MPa,总延伸率为19.3%,强塑积为20 GPa·%;应变前期试验钢中大量残余奥氏体发生转变,超细晶间的协调机制对试验钢的塑性起主导作用.
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| 关 键 词： | 中锰钢 亚稳奥氏体 超细晶 两相区退火 孪晶 连续退火 |
| 收稿时间： | 2013/5/22 0:00:00 |
Effect of continuous annealing process on microstructure and mechanical properties of 5% Mn ultrafine grain TRIP steel |
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| ZHAO Zhengzhi,YIN Hongxiang,ZHAO Aimin,HE Jianguo,DING Ran and ZHENG Honghong.Effect of continuous annealing process on microstructure and mechanical properties of 5% Mn ultrafine grain TRIP steel[J].Materials Science and Technology,2014,22(5):54-59. |
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| Authors: | ZHAO Zhengzhi YIN Hongxiang ZHAO Aimin HE Jianguo DING Ran and ZHENG Honghong |
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| Affiliation: | Metallurgical Engineering Research Institute, University of Science and Technology Beijing, Beijing 100083, China;Metallurgical Engineering Research Institute, University of Science and Technology Beijing, Beijing 100083, China;Metallurgical Engineering Research Institute, University of Science and Technology Beijing, Beijing 100083, China;Metallurgical Engineering Research Institute, University of Science and Technology Beijing, Beijing 100083, China;Metallurgical Engineering Research Institute, University of Science and Technology Beijing, Beijing 100083, China;Metallurgical Engineering Research Institute, University of Science and Technology Beijing, Beijing 100083, China |
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| Abstract: | |
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| Keywords: | medium-manganese steel metastable austenite ultrafine grain size intercritical annealing twinning continuous annealing |
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