| 待温厚度与终轧温度对X80管线钢组织中马氏体/奥氏体岛的影响 |
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| 引用本文： | 衣海龙,麻庆申,杜林秀,刘相华,王国栋.待温厚度与终轧温度对X80管线钢组织中马氏体/奥氏体岛的影响[J].机械工程材料,2009,33(6). |
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| 作者姓名： | 衣海龙 麻庆申 杜林秀 刘相华 王国栋 |
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| 作者单位： | 衣海龙,杜林秀,刘相华,王国栋(东北大学轧制技术及连轧自动化国家重点实验室,辽宁沈阳,110004);麻庆申(首钢总公司技术研究院,北京,100041)
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| 基金项目： | 国家高技术研究发展计划资助项目 |
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| 摘 要： | 利用光学显微镜、扫描电镜及透射电镜分析了经不同工艺热轧得到的22 mm厚X80管线钢中马氏体/奥氏体(M/A)岛的形貌及分布.结果表明:M/A岛的形貌及分布与待温厚度和终轧温度密切相关,适当增加待温厚度,降低终轧温度有利于细化M/A岛的组织,减小M/A岛的尺寸,降低M/A岛的体积分数,使X80管线钢的落锤性能得到改善.
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| 关 键 词： | X80管线钢 M/A岛 待温厚度 终轧温度 |
Influences of Temperature-holding Thickness and Finish Rolling Temperature on Martensite/Austenite Islands in X80 Pipeline Steel |
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| YI Hai-long,MA Qing-shen,DU Lin-xiu,LIU Xiang-hua,WANG Guo-dong.Influences of Temperature-holding Thickness and Finish Rolling Temperature on Martensite/Austenite Islands in X80 Pipeline Steel[J].Materials For Mechanical Engineering,2009,33(6). |
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| Authors: | YI Hai-long MA Qing-shen DU Lin-xiu LIU Xiang-hua WANG Guo-dong |
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| Affiliation: | 1.Northeast University;Shenyang 110004;China;2.Shougang Research Institute of Technology;Beijing 100041;China |
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| Abstract: | Morphology and distribution of martensite/austenite(M/A) islands in X80 pipeline steel hot rdled with different processes were observed by optical microscopy,scanning electron microscopy and transmission electron microscopy.The results show that the temperature-holding thickness and finish rolling temperature exerted a great influence on the size and distribution of M/A islands.When the temperature-holding thickness of the billet went up and the finish rolling temperature went down,it could facilitate the r... |
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| Keywords: | X80 pipeline steel M/A island temperature-holding thickness finish rolling temperature |
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