| 钛、铌、硼对低碳贝氏体钢组织与性能的影响 |
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| 引用本文： | 颜慧成,曹慧泉,罗登,李广敏,夏政海,刘家琪. 钛、铌、硼对低碳贝氏体钢组织与性能的影响[J]. 钢铁研究学报, 2010, 22(5): 55-55 |
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| 作者姓名： | 颜慧成 曹慧泉 罗登 李广敏 夏政海 刘家琪 |
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| 作者单位： | 钢铁研究总院国家连铸技术工程研究中心,北京,100081;钢铁研究总院国家连铸技术工程研究中心,北京,100081;湖南华菱管线股份有限公司,湖南,长沙,410011;湖南华菱湘潭钢铁有限公司技术开发中心,湖南,湘潭,411101 |
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| 摘 要： | 以C-Mn钢和700 MPa级低碳贝氏体钢成分为基础成分,通过调整微合金元素含量,实验室条件下熔炼浇注钢锭,并采用TMCP技术轧制钢板,研究了微合金元素钛、铌、硼对低碳贝氏体钢组织与性能的影响。结果表明,随着铌含量的增加,贝氏体含量增加,晶粒变细,材料的抗拉强度、屈服强度与韧性均增加;随着钛含量的增加,贝氏体含量增加,抗拉强度、屈服强度提高,韧性的变化与是否进行回火处理有关;硼有利于形成板条贝氏体组织,硼含量增加能提高强度,但有损韧性。
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| 关 键 词： | 低碳贝氏体钢 微合金元素 组织 |
| 收稿时间： | 2009-03-17; |
Influence of Ti,Nb and B on Microstructure and Mechanical Properties of Low Carbon Bainitic Steel |
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| YAN Hui-cheng,CAO Hui-quan,LUO Deng,LI Guang-min,XIA Zheng-hai,LIU Jia-qi. Influence of Ti,Nb and B on Microstructure and Mechanical Properties of Low Carbon Bainitic Steel[J]. Journal of Iron and Steel Research, 2010, 22(5): 55-55 |
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| Authors: | YAN Hui-cheng CAO Hui-quan LUO Deng LI Guang-min XIA Zheng-hai LIU Jia-qi |
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| Affiliation: | 1.National Engineering Research Center of Continuous Casting Technology;Central Iron and Steel Research Institute;Beijing 100081;China;2.Hunan Valin Steel Tube and Wire Co;Ltd;Changsha 410011;Hunan;3.Technology Developing Center;Xiangtan Steel Co;Ltd of Hunan Valin;Xiangtan 411101;China |
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| Abstract: | The influence of Ti,Nb and B on microstructure and mechanical properties of low carbon bainitic steel was investigated by adjusting Ti,Nb and B content respectively in C-Mn steels and 700MPa low carbon bainitic steels,using micro-alloying and TMCP technology to produce plate in experimental condition.The ratio of bainite rise with increase in the content of Nb,and Rm,ReL,AK of low carbon bainitic steel increase with the increment of niobium.With the increment of titanium content,the ratio of bainite increas... |
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| Keywords: | low carbon bainitic steel micro-alloy element microstructure |
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