| CSP低碳钢过冷奥氏体的连续冷却转变 |
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| 引用本文： | 余汉松,余驰斌,戴宇杰. CSP低碳钢过冷奥氏体的连续冷却转变[J]. 热加工工艺, 2007, 36(14): 33-34,38 |
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| 作者姓名： | 余汉松 余驰斌 戴宇杰 |
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| 作者单位： | 武汉科技大学,材料与冶金学院,湖北,武汉,430081 |
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| 摘 要： | 通过膨胀法在THERMECMASTOR-Z热模拟实验机上测定了CSP低碳钢的连续冷却转变曲线;通过金相试验分析了其室温产物的微观组织。结果表明：随着冷却速度的增大,相变开始温度和结束温度均降低,晶粒明显被细化。
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| 关 键 词： | 低碳钢 冷却速度 连续冷却转变曲线 显微组织 |
| 文章编号： | 1001-3814（2007）14-0033-02 |
| 修稿时间： | 2007-03-14 |
Continuous Cooling Transformation of Undercooling Austenite of CSP Low Carbon Steel |
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| YU Han-song,YU Chi-bin,DAI Yu-jie. Continuous Cooling Transformation of Undercooling Austenite of CSP Low Carbon Steel[J]. Hot Working Technology, 2007, 36(14): 33-34,38 |
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| Authors: | YU Han-song YU Chi-bin DAI Yu-jie |
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| Affiliation: | Material and Metallurgy College, Wuhan University of Science and Technology, Wuhan 430081,China |
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| Abstract: | Through dilatation test,the continuous cooling transformation curve of the austentite of CSP low carbon steel was measured on THERMECMASTOR-Z thermal simulation machine. The room temperature microstructure of the steel was analysed by metallorgraphic experiment. The results show that, when cooling velocity increases,the beginning temperature and the finishing temperature of phase transformation are both decrease,the grain is obviously refined. |
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| Keywords: | low carbon steel cooling velocity CCT curve microstructure |
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