| 合金元素对桥梁结构钢HPS70W组织性能的影响 |
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| 引用本文： | 曹忠孝,李文斌,李阳,庞兆夫,苏洪英,费静. 合金元素对桥梁结构钢HPS70W组织性能的影响[J]. 钢铁, 2009, 44(9) |
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| 作者姓名： | 曹忠孝 李文斌 李阳 庞兆夫 苏洪英 费静 |
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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 |
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| 摘 要： | 通过添加不同含量的Nb、Mo、V,研究了合金元素对桥梁结构钢板HPS70W力学性能、金相组织和第二相粒子析出的影响。试验结果表明:合金元素Mo、V对桥梁结构钢板HPS70W没有起到明显的析出强化作用,合金元素Nb对桥梁结构钢板HPS70W低温韧性、强度和塑性有显著的作用。
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| 关 键 词： | 桥梁结构钢 合金元素 |
Influence of Alloy Element on Microstructure and Properties of Bridge Steel HPS70W |
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| CAO Zhong-xiao,LI Wen-bin,LI Yang,PANG Zhao-qu,SU Hong-ying,FEI Jing. Influence of Alloy Element on Microstructure and Properties of Bridge Steel HPS70W[J]. Iron & Steel, 2009, 44(9) |
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| Authors: | CAO Zhong-xiao LI Wen-bin LI Yang PANG Zhao-qu SU Hong-ying FEI Jing |
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| Affiliation: | CAO Zhong-xiao,LI Wen-bin,LI Yang,PANG Zhao-fu,SU Hong-ying,FEI Jing(Technology Center,Anshan Iron and Steel Co.,Ltd.,Anshan 114009,Liaoning,China) |
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| Abstract: | Influence of alloy elements on mechanical properties,microstructure and precipitation of second phase particle of bridge steel plate of HPS70W has been studied by addition of different content of Nb,Mo and V.The results show that alloy elements Mo and V have little precipitation strengthening effect on bridge steel plate of HPS70W,but alloy element Nb has obviously effect on low temperature toughness,strength and ductility of bridge steel plate of HPS70W. |
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| Keywords: | bridge steel alloy element |
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