| 过时效对冷轧双相钢显微组织和磁性能的影响 |
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| 引用本文： | 高丽,周月明,沈小丹,任忠鸣.过时效对冷轧双相钢显微组织和磁性能的影响[J].宝钢技术,2010(3):43-47. |
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| 作者姓名： | 高丽 周月明 沈小丹 任忠鸣 |
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| 作者单位： | 上海大学,上海,200072;宝山钢铁股份有限公司,上海,201900;宝山钢铁股份有限公司,上海,201900;上海交通大学,上海,200240;上海大学,上海,200072 |
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| 摘 要： | 主要研究了过时效温度和时间对冷轧低碳双相钢显微组织和磁性能的影响。结果表明,过时效温度对双相钢的显微组织和磁性能影响较大。随着过时效温度的升高,马氏体体积分数稍有降低,马氏体逐渐发生分解。透射电镜结果表明,当过时效温度达到380℃时,板条马氏体边界已变得模糊,同时观测到碳化物的析出。双相钢的磁性能对过时效温度非常敏感。矫顽力和磁滞损耗随过时效温度的升高逐渐降低,而最大磁导率、剩磁和10000A/m磁场下的磁感应强度则呈升高趋势。过时效时间对双相钢显微组织和磁性能有较弱的类似影响。
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| 关 键 词： | 双相钢 过时效 显微组织 磁性能 |
Effect of Overageing on the Microstructure and Magnetic Property of Cold Rolled Dual Phase Steel |
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| GAO Li,ZHOU Yueming,SHEN Xiaodan,REN Zhongming.Effect of Overageing on the Microstructure and Magnetic Property of Cold Rolled Dual Phase Steel[J].Baosteel Technology,2010(3):43-47. |
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| Authors: | GAO Li ZHOU Yueming SHEN Xiaodan REN Zhongming |
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| Affiliation: | GAO Li1,2,ZHOU Yueming2,SHEN Xiaodan3 and REN Zhongming1 (1.Shanghai University,Shanghai 200072,China,2.Baoshan Iron & Steel Co.,Ltd.,Shanghai 201900,3.Shanghai Jiaotong University,Shanghai 200240,China) |
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| Abstract: | The effect of overageing temperature and time on the microstructure and magnetic property of cold rolled low carbon dual phase steel is investigated.The results show that the microstructure and magnetic property of cold rolled dual phase steel are greatly affected by overageing temperature.The increase of overageing temperature not only causes a slight decrease of martensite volume fraction but also has a significant influence on martensite morphology.The gradual decomposition of martensite can be observed ... |
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| Keywords: | dual phase steel overageing microstructure magnetic property |
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