| 冷轧汽车用TRIP钢的高温热塑性 |
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| 引用本文： | 黄秋菊,唐荻,江海涛,刘仁东,黄大鹏. 冷轧汽车用TRIP钢的高温热塑性[J]. 轧钢, 2006, 23(6): 19-22 |
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| 作者姓名： | 黄秋菊 唐荻 江海涛 刘仁东 黄大鹏 |
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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. 鞍山钢铁集团公司技术中心,辽宁,鞍山,114001 |
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| 摘 要： | 利用Gleeble1500试验机进行了冷轧汽车用TRIP钢的高温热塑性试验,研究了冷轧TRIP钢热塑性与温度的关系。通过绘制变形温度与断面收缩率的关系曲线,找出了该钢的低塑性温度区,即裂纹敏感点。从而在制定连铸和热轧工艺制度时可避开该温度区,或尽量在该区域少停留。
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| 关 键 词： | 冷轧 TRIP钢 高温热塑性 裂纹敏感性 |
| 文章编号： | 1003-9996(2006)06-0019-04 |
| 收稿时间： | 2006-10-19 |
| 修稿时间： | 2006-10-19 |
Hot Plasticity of Cold-rolling TRIP Steel for Automotive |
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| HUANG Qiu-ju,TANG Di,JIANG Hai-tao,LIU Ren-dong,HUANG Da-peng. Hot Plasticity of Cold-rolling TRIP Steel for Automotive[J]. Steel Rolling, 2006, 23(6): 19-22 |
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| Authors: | HUANG Qiu-ju TANG Di JIANG Hai-tao LIU Ren-dong HUANG Da-peng |
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| Affiliation: | 1. National Engineering Research Center for Advance Rolling Technology, University of Science and Technology Beijing, Beijing 100083, China; 2.Anshan Iron and steel Group Corporation, Anshan 114001, China |
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| Abstract: | The hot plasticity experiment of cold-rolling TRIP steel plate for automotive is investigated at a Glee- blel500 testing machine.Based on the experiment,the relation of the hot plasticity and hot ductility temperature is obtained.The area of inductile,namely crack-sensitive spot,is found by the curve of hot ductility temperature and cross section shrinkage ratio.Then the crack-sensitive spot can be avoided during the production process,so that the broken comer and edge crack of blank are prevented. |
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| Keywords: | cold rolling TRIP steel hot plasticity crack-sensitivity |
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