| 新型节镍Cr22双相不锈钢中铜的作用 |
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| 引用本文： | 石璐璐,马正欢,崔世云,李钧,肖学山,赵钧良.新型节镍Cr22双相不锈钢中铜的作用[J].上海大学学报(自然科学版),2011(6):768-773. |
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| 作者姓名： | 石璐璐 马正欢 崔世云 李钧 肖学山 赵钧良 |
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| 作者单位： | 上海大学材料研究所;宝山钢铁股份有限公司; |
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| 基金项目： | 上海市教委创新基金资助项目(09YZ20); 上海市科委基金资助项目(065211026) |
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| 摘 要： | 研究Cu对新型节镍Cr22双相不锈钢(duplex stainless steels,DSS)的显微组织、力学性能及腐蚀性能的影响.研究结果表明,Cu元素在该系列成分双相不锈钢中是较强的奥氏体形成元素,质量分数为0.69％的Cu可使Cr22 DSSs在不同温度固溶处理后的奥氏体体积分数增加约8％.节镍型Cr22 DSS...
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| 关 键 词： | 节镍型双相不锈钢 拉伸性能 点蚀性能 |
Effect of Cu on New Cr22 Economical Duplex Stainless Steels |
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| SHI Lu-lu,MA Zheng-huan,CUI Shi-yun,LI Jun,XIAO Xue-shan,ZHAO Jun-liang.Effect of Cu on New Cr22 Economical Duplex Stainless Steels[J].Journal of Shanghai University(Natural Science),2011(6):768-773. |
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| Authors: | SHI Lu-lu MA Zheng-huan CUI Shi-yun LI Jun XIAO Xue-shan ZHAO Jun-liang |
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| Institution: | SHI Lu-lu1,MA Zheng-huan1,CUI Shi-yun1,LI Jun1,XIAO Xue-shan1,ZHAO Jun-liang2(1.Institution of Materials Science,Shanghai University,Shanghai 200072,China,2.Baoshan Iron and Steel Co.,Ltd.,Shanghai 200940,China) |
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| Abstract: | Influence of Cu on microstructure,mechanical and corrosion properties of a new family of Cr22 duplex stainless steels(DSSs) is investigated.The results indicate that Cu can greatly increase volume fraction of austenite and enhance elongation and corrosion resistance.The yield stress and tensile strength of new economical Cr22 DSSs reach approximately 490 and 750 MPa respectively.The mechanical properties and corrosion resistance of the new economical Cr22 DSSs are better than those of AISI304. |
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| Keywords: | nickel-saving duplex stainless steels tensile properties pitting corrosion resistance |
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