| Q690钢的过冷奥氏体连续冷却转变曲线 |
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| 引用本文： | 白雅琼,李智丽,赵莉萍.Q690钢的过冷奥氏体连续冷却转变曲线[J].包钢科技,2012,38(3):39-41. |
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| 作者姓名： | 白雅琼 李智丽 赵莉萍 |
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| 作者单位： | 内蒙古科技大学材料与冶金学院,内蒙古包头014010;内蒙古包钢钢联股份有限公司技术中心,内蒙古包头014010;内蒙古包钢钢联股份有限公司技术中心,内蒙古包头,014010;内蒙古科技大学材料与冶金学院,内蒙古包头,014010 |
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| 摘 要： | 采用Formastor-F型全自动相变仪测定Q690钢的连续冷却转变曲线(CCT曲线),研究了Q690钢在不同冷却速度下的显微组织形态,分析了合金元素对连续冷却转变曲线的影响,通过对CCT曲线的测定为Q690钢热处理制度和控冷工艺提供理论依据.
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| 关 键 词： | Q690钢 CCT曲线 显微组织 显微硬度 |
Continuous Cooling Transformation Curve of Supercooled Austenite in Q690 Steels |
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| BAI Ya-qiong
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LI Zhi-li
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ZHAO Li-ping.Continuous Cooling Transformation Curve of Supercooled Austenite in Q690 Steels[J].Science & Technology of Baotou Steel(Group) Corporation,2012,38(3):39-41. |
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| Authors: | BAI Ya-qiong LI Zhi-li ZHAO Li-ping |
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| Affiliation: | 1(1.School of Material Science and Metallurgy,Inner Mongolia University of Science and Technology,Baotou 014010,Nei Monggol,China; 2.Technical Center of Steel Union Co.Ltd.of Baotou Steel(Group)Corp.,Baotou 014010,Nei Monggol,China) |
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| Abstract: | The continuous cooling transformation(CCT)curve of Q690 steels determined with the Formastor-F automatic dilatometer is for studying the microstructural shape of Q690 steels at different cooling velocities and analyzing the effects of alloying elements on continuous cooling transformation curve.The determination of CCT curve could be as the theoretic basis for heat treatment system and controlled cooling technology of Q690 steels. |
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| Keywords: | Q690 steels continuous cooling transformation(CCT) curve microstructure microhardness |
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