| NaCl溶液中Zn－Al－Cd合金的接触腐蚀研究 |
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| 引用本文： | 战广深,肖向辉.NaCl溶液中Zn－Al－Cd合金的接触腐蚀研究[J].材料科学与工程学报,1996(4). |
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| 作者姓名： | 战广深 肖向辉 |
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| 作者单位： | 大连理工大学 |
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| 摘 要： | 研究了作为牺牲阳极材料的Ｚｎ－Ａｌ－Ｃｄ合金在ＮａＣｌ溶液中与Ａ３钢、３０２不锈钢和纯铜偶接时的接触腐蚀行为，探讨了溶液中Ｃｌ－浓度变化，以及电偶对中阴极金属材料和阴阳极面积比Ａｃ／Ａａ不同时对电偶电流密度ｊＺｎｇ和电偶电势Ｅｇ的影响。结果表明，电偶对中阴极金属材料不同，ｊＺｎｇ随Ｃｌ－浓度增大有不同的变化趋势；ｊＺｎｇ与Ａｃ／Ａａ成正比关系；Ｃｌ－浓度变化对Ｅｇ的影响较大，而大多数浓度下阴极金属材料和阴阳极面积比不同对Ｅｇ的影响较小
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| 关 键 词： | Zn－Al－Cd合金，接触腐蚀，氯离子，浓度 |
Study on Galvanic Corrosion of Zn Al Cd Alloy in NaCl Solutions |
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| Zhan Guangshen Xiao Xianghui Dalian University of Technology,Dalian.Study on Galvanic Corrosion of Zn Al Cd Alloy in NaCl Solutions[J].Journal of Materials Science and Engineering,1996(4). |
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| Authors: | Zhan Guangshen Xiao Xianghui Dalian University of Technology Dalian |
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| Affiliation: | Zhan Guangshen Xiao Xianghui Dalian University of Technology,Dalian 116012 |
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| Abstract: | The galvanic corrosion behavior of Zn Al Cd alloy coupled to A3 steel,302 stainless steel and copper has been studied in the NaCl solutions.Results show that the change of galvanic current density j Zn g is different with increasing Cl - concentration for Zn Al Cd alloy coupled to dissimilar metals;j Zn g is directly proportional to the area ratio Ac/Aa;effect of Cl - concentration change on the galvanic potential Eg is larger,but effect of the dissimilar cathodic metal and Ac/Aa is smaller in most of concentration. |
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| Keywords: | Zn Al Cd alloy Galvanic corrosion Chlorine ions Concentration |
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