| 热模拟技术优化X80管线钢热轧工艺 |
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| 引用本文： | 张行刚,刘智彪,任慧平,金自力,闫波. 热模拟技术优化X80管线钢热轧工艺[J]. 包头钢铁学院学报, 2009, 28(4): 313-317 |
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| 作者姓名： | 张行刚 刘智彪 任慧平 金自力 闫波 |
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| 作者单位： | [1]内蒙古科技大学材料与冶金学院,内蒙古包头014010 [2]包头第一热电厂,内蒙古包头014010 [3]包头钢铁（集团）公司技术中心,内蒙古包头014010 |
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| 摘 要： | 用Gleeble 1500D热模拟实验机,对X80管线钢进行单道次双道次以及多道次压缩实验,找出动态再结晶的临界应变量和未再结晶区,在未再结晶区内优化精轧道次轧制工艺,通过抑制道次间的静态再结晶累积应变,在多道次轧制过程中使其在最后一道次超过临界应变量发生动态再结晶,从而避免晶粒大小不均并实现晶粒细化.
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| 关 键 词： | 热模拟 应变累积 再结晶 细化晶粒 |
Rolling process optimization of X80 pipeline steels by hot simulation technology |
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| ZHANG Xing-gang,LIU Zhi-biao,REN Hui-ping,JIN Zi-li,YAN BoCo.,China). Rolling process optimization of X80 pipeline steels by hot simulation technology[J]. Journal of Baotou University of Iron and Steel Technology, 2009, 28(4): 313-317 |
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| Authors: | ZHANG Xing-gang LIU Zhi-biao REN Hui-ping JIN Zi-li YAN BoCo. China) |
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| Affiliation: | ZHANG Xing-gang1,LIU Zhi-biao2,REN Hui-ping1,JIN Zi-li1,YAN Bo3(1.Material , Metallurgy School,Inner Mongolia University of Science , Technology Baotou 014010,China,2.Baotou No.1 Power Plant,Baotou 014010,3.Technology Center,Baotou Iron , Steel(Group)Co.,China) |
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| Abstract: | The effects of dynamic recrystallization and static recrystallization by single-pass and multi-pass rolling hot deformation were investigated by using Gleeble-1500D.The critical strain of dynamic recrystallization and region of no-recrystallization were found.The conditions and technology for strain accumulation in multi-pass processing to refine the austenite grain sizes through dyamic recrystallization were presented. |
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| Keywords: | mulit-pass rolling simulation strain accumulation recrystallization ultra-fine grain size |
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