| 77B 钢奥氏体连续冷却转变曲线(CCT图) |
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| 引用本文： | 李红英,龚美涛,何堃. 77B 钢奥氏体连续冷却转变曲线(CCT图)[J]. 热加工工艺, 2005, 0(4): 58-59 |
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| 作者姓名： | 李红英 龚美涛 何堃 |
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| 作者单位： | 中南大学,材料科学与工程学院,湖南,长沙,410083 |
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| 摘 要： | 采用Gleeble-1500热模拟机测定了77B钢在不同冷速下连续冷却转变的膨胀曲线，结合组织观察和硬度测定，获得了该钢的连续冷却转变曲线；研究了其连续冷却转变产物的组织形态，比较了其与同类转变曲线的差别。
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| 关 键 词： | 77B钢 热模拟 连续冷却转变曲线 |
| 文章编号： | 1001-3814(2005)04-0058-02 |
| 修稿时间： | 2005-01-18 |
Continuous Cooling Transformation Curve of Undercooling Austenite in 77B Steel |
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| LI Hong-ying,GONG Mei-tao,HE Kun. Continuous Cooling Transformation Curve of Undercooling Austenite in 77B Steel[J]. Hot Working Technology, 2005, 0(4): 58-59 |
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| Authors: | LI Hong-ying GONG Mei-tao HE Kun |
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| Abstract: | By measuring the CCT curves of 77B steel under different cooling speed in Gleeble 1500 thermal simulater,according to metallographic analysis and hardness measurement, CCT diagram was obtained,and the microstrcture of the product of the continuous cooling transformation occurring in 77B and the reason for the difference between 77B and common steel were investigated. |
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| Keywords: | 77B steel thermal mechanical simulate CCT curve |
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