| Si对高强热轧双相钢组织性能的影响 |
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| 引用本文： | 祝志峰,赵征志,赵爱民,唐获. Si对高强热轧双相钢组织性能的影响[J]. 轧钢, 2011, 28(2): 16-18 |
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| 作者姓名： | 祝志峰 赵征志 赵爱民 唐获 |
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| 作者单位： | 北京科技大学冶金工程研究院 |
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| 基金项目： | 北京市科委重大项目，"十一五"国家科技支撑计划 |
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| 摘 要： | 实验试制了590MPa级C Si Mn Cr系高强热轧双相钢，同时分析了合金元素Si对双相钢微观组织和力学性能的影响。结果表明，Si含量增加05%后，组织中铁素体含量增加了3%，硬度提高了HV20；双相钢抗拉强度提高了41MPa，屈服强度提高了8MPa，降低了屈强比，伸长率提高了8%，塑性得到显著改善。
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| 关 键 词： | 热轧双相钢 组织性能 屈强比 伸长率 |
Effect of Si on Microstructure and Properties of High Strength Hot-Rolled Dual Phase Steel |
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| ZHU Zhi-feng,ZHAO Zheng-zhi,ZHAO Ai-min,TANG Di. Effect of Si on Microstructure and Properties of High Strength Hot-Rolled Dual Phase Steel[J]. Steel Rolling, 2011, 28(2): 16-18 |
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| Authors: | ZHU Zhi-feng ZHAO Zheng-zhi ZHAO Ai-min TANG Di |
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| Affiliation: | ZHU Zhi-feng,ZHAO Zheng-zhi,ZHAO Ai-min,TANG Di (Research Institute of Metallurgy Engineering,University of Science and Technology Beijing,Beijing 100083,China) |
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| Abstract: | 590 MPa grade C-Si-Mn-Cr high strength hot rolled dual phase steel was developed in this experiment. The effects of Si on microstructure and properties of dual phase steel were analyzed.The results showed that after the content of Si increasing 0.5%,the content of ferrite was increased 3%and its hardness was increased HV20;the tensile strength of dual phase steel was increased 41MPa,the yield strength was increased 8MPa,the yield strength/tensile strength ration was decreased and the elongation was increase... |
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| Keywords: | hot rolled dual phase steel microstructure and property yield strength/tensile strength ration elongation |
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