| 煤机链条钢过冷奥氏体等温转变曲线及回火工艺研究 |
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| 引用本文： | 闫俊萍,刘宗昌,李强. 煤机链条钢过冷奥氏体等温转变曲线及回火工艺研究[J]. 热加工工艺, 2002, 0(5): 9-10 |
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| 作者姓名： | 闫俊萍 刘宗昌 李强 |
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| 作者单位： | 1. 包头钢铁学院,材料与冶金工程系,内蒙古,包头,014010
2. 抚顺特殊钢有限公司,辽宁,抚顺,113001 |
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| 摘 要： | 利用Formastor-Digital全自动相变测量仪测定了钢的临界点和过冷奥氏体等温转变曲线，研究了该钢的回火工艺。结果表明：该钢没有珠光体区，经淬火＋430℃中温回火后，得到的组织为回火马氏体和下贝氏体组织。
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| 关 键 词： | 煤机链条钢 过冷奥氏体 等温转变曲线 回火 |
| 文章编号： | 1001-3814(2002)05-0009-02 |
The Study on the Overcooling Austenite Isothermal Transformation Diagram and Tempering Technology of Circular Chain Steel in Coal Mine Machine |
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| YAN Jun ping ,LIU Zong chang ,LI Qiang. The Study on the Overcooling Austenite Isothermal Transformation Diagram and Tempering Technology of Circular Chain Steel in Coal Mine Machine[J]. Hot Working Technology, 2002, 0(5): 9-10 |
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| Authors: | YAN Jun ping LIU Zong chang LI Qiang |
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| Affiliation: | YAN Jun ping 1,LIU Zong chang 1,LI Qiang 2 |
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| Abstract: | The critical points and the overcooling austenite isothermal transformation diagram of ciroular chain steel in coal mine mine machine were measured by using automatic transformations testing instrument (formastor digital).The tempering technology were studied.The results showed there is not pearlite area in this steel and the microstructure were tempering martensite and bainite after quenching and tempering at mid temperature. |
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| Keywords: | circular chain steel isothermal transformation diagram tempering |
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