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| 冷镦钢ML40Cr盘条奥氏体连续冷却转变曲线 | |
| 引用本文： | 高秀华,庞波,齐克敏,田彦文,袁立忠,吴水龙,覃业军. 冷镦钢ML40Cr盘条奥氏体连续冷却转变曲线[J]. 热加工工艺, 2006, 35(14): 38-39,42 |
| 作者姓名： | 高秀华 庞波 齐克敏 田彦文 袁立忠 吴水龙 覃业军 |
| 作者单位： | 1. 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 2. 东北大学,材料与冶金学院,辽宁,沈阳,110004 3. 湖南华菱湘潭钢铁有限公司,湖南,湘潭,411101 |
| 摘 要： | 在Gleeble-3800热模拟试验机上采用热膨胀法-金相法测定了ML40Cr钢的临界点Ac1、Ar1、Ac3、Ar3，同时测定了在不同冷却速度下过冷奥氏体连续冷却时的膨胀曲线，获得了该钢的连续冷却转变曲线；研究了MK40Cr连续转变冷却过程中奥氏体转变过程和转变产物的组织和性能，初步确定了ML40Cr盘条的控制冷却范围．为冷镦钢ML40Cr盘条的开发提供了参考依据。 |
| 关 键 词： | 冷镦钢 热模拟 连续冷却转变曲线 |
| 文章编号： | 1001-3814（2006）14-0038-02 |
| 收稿时间： | 2006-05-11 |
| 修稿时间： | 2006-05-11 |
Continuous Cooling Transformation Curve of Undercooling Austenite in ML40Cr Cold Heading Steel |
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| GAO Xiu-hua,PANG Bo,QI Ke-min,TIAN Yan-wen,YUAN Li-zhong,WU Shui-long,QIN Ye-jun. Continuous Cooling Transformation Curve of Undercooling Austenite in ML40Cr Cold Heading Steel[J]. Hot Working Technology, 2006, 35(14): 38-39,42 | |
| Authors: | GAO Xiu-hua PANG Bo QI Ke-min TIAN Yan-wen YUAN Li-zhong WU Shui-long QIN Ye-jun |
| Abstract: | B dilatometric change and microscopic test, the critical point at A c1 ,A r1 ,A c3 and A r3 of ML40Cr steel was detemined in Gleeble-3800 the thermal-mechanical simulator. The continuous cooling transformation diagram of ML40Cr steel was obtained by measuring the expanding curves of different cooling rates. The mechanical property and transformation of austenite were analyzed. The proper range of control cooling rate about ML40Cr cold heading steel was found. All those provide the reference for productive practice to develop cold heading steel. |
| Keywords: | cold heading steel thermal- mechanical simulate continuous cooling transformation curve |
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