| Sb对Mg-4Zn-Y合金耐腐蚀性能的影响 |
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| 引用本文： | 刘子利,刘细良,朱晓春,周桂斌,李健.Sb对Mg-4Zn-Y合金耐腐蚀性能的影响[J].铸造,2011,60(4). |
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| 作者姓名： | 刘子利 刘细良 朱晓春 周桂斌 李健 |
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| 作者单位： | 1. 南京航空航天大学材料科学与技术学院,江苏南京,210016
2. 江苏中翼汽车新材料科技有限公司,江苏常熟,215542 |
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| 基金项目： | 江苏省自然科学基金，江苏省科技支撑计划项目 |
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| 摘 要： | 研究了Mg-4Zn-Y-xSb(x=0,0.5,1,2)合金在3.5%NaCl溶液中的腐蚀行为,利用金相显微镜、电化学极化曲线和电化学阻抗测试研究了Sb对Mg-4Zn-Y合金耐蚀性能的影响.结果表明,在试验范围内Mg-4Zn-Y-xSb(x=0,0.5,1,2)合金的耐蚀性能随着Sb含量的增加而降低.Mg-4Zn-Y-2Sb合金的腐蚀速率比Mg-4Zn-Y合金上升了一个数量级,合金的腐蚀电流达到2.254E-4A.
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| 关 键 词： | Mg-4Zn-Y Sb 耐腐蚀性 |
Effects of Sb Addition on Corrosion Resistance of Mg-4Zn-Y Alloys |
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| LIU Zi-li,LIU Xi-liang,ZHU Xiao-chun,ZHOU Gui-bin,LI Jian.Effects of Sb Addition on Corrosion Resistance of Mg-4Zn-Y Alloys[J].Foundry,2011,60(4). |
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| Authors: | LIU Zi-li LIU Xi-liang ZHU Xiao-chun ZHOU Gui-bin LI Jian |
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| Affiliation: | LIU Zi-li1,LIU Xi-liang1,ZHU Xiao-chun1,ZHOU Gui-bin1,LI Jian2(1.College of Materials Science and Engineering,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,Jiangsu,China,2.Jiangsu Favour Automotive New Stuff Sci-Tech Co.,Ltd.,Changshu 215542,China) |
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| Abstract: | Corrosion behaviors of Mg-4Zn-Y-xSb(x=0,0.5,1,2)alloys in the 3.5% NaCl solution were investigated,and effects of Sb addition on corrosion resistance of Mg-4Zn-Y alloys were also studied by optical morphology,electrochemical polarization curves and electrochemical impendence spectrum(EIS).The results show that the addition of Sb decreases the corrosion resistance of the Mg-4Zn-Y-xSb(x=0,0.5,1,2)alloys at experimental conditions.The corrosion rate of the Mg-4Zn-Y-2Sb alloy increased by one order of magnitude... |
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| Keywords: | Mg-4Zn-Y Sb corrosion resistance |
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