| 回火工艺对高强度管线钢组织性能的影响 |
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| 引用本文： | 张帅,任毅,王爽,刘文月. 回火工艺对高强度管线钢组织性能的影响[J]. 鞍钢技术, 2009, 0(1): 18-21 |
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| 作者姓名： | 张帅 任毅 王爽 刘文月 |
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| 作者单位： | 鞍钢股份有限公司技术中心,辽宁,鞍山,114009;鞍钢股份有限公司技术中心,辽宁,鞍山,114009;鞍钢股份有限公司技术中心,辽宁,鞍山,114009;鞍钢股份有限公司技术中心,辽宁,鞍山,114009 |
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| 摘 要： | 采用不同回火制度对高强度管线钢进行热处理试验，并利用金相显微镜、扫描电镜、透射电镜等显微仪器研究了回火工艺对试验钢组织性能的影响规律。结果表明，在试验工艺范围内，随着回火温度的升高和回火时间的延长，试验钢强度出现波动起伏现象，并主要受M／A岛及碳化物分解、析出强化、位错密度降低等因素影响；回火后，延伸率大幅度提高，冲击韧性没有下降；在580℃回火、保温40min工艺条件下，试验钢综合性能优良，达到X120级管线钢要求。
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| 关 键 词： | 管线钢 回火工艺 热处理 析出强化 |
Effect of Tempering Process on the Structure Property of High Strength Pipeline Steel |
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| Zhang Shuai,Ren Yi,Wang Shuang,Liu Wenyue. Effect of Tempering Process on the Structure Property of High Strength Pipeline Steel[J]. Aisc Techniques, 2009, 0(1): 18-21 |
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| Authors: | Zhang Shuai Ren Yi Wang Shuang Liu Wenyue |
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| Affiliation: | Technology Center of Angang Steel Co.;Ltd.;Anshan 114009;Liaoning;China |
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| Abstract: | The heat treatment experiment for the high strength pipeline steel is carried out using the different tempering schedule,and the influence regularity of the tempering process on the structure property of the trial steel is investigated by the microscope devices such as metallographic microscope,scanning electron microscope,TEM,etc.The results indicate that fluctuating phenomenon in steel strength is mainly under the influence of the M/A island and carbide decomposition,precipitation strengthening,and the de... |
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| Keywords: | heat treatment precipitation strength X120 |
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