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Corrosion of AZ91D magnesium alloy with a chemical conversion coating and electroless nickel layer

文献类型:期刊论文

作者H. W. Huo ; Y. Li ; F. H. Wang
刊名Corrosion Science
出版日期2004
卷号46期号:6页码:1467-1477
关键词AZ91D magnesium alloy chemical conversion electroless nickel plating
ISSN号0010-938X
中文摘要A chemical conversion treatment and an electroless nickel plating were applied to AZ91D alloy to improve its corrosion resistance. By conversion treatment in alkaline stannate solution, the corrosion resistance of the alloy was improved to some extent as verified by immersion test and potentiodynamic polarization test in 3.5 wt.% NaCl solution at pH 7.0. X-ray diffraction patterns of the stannate treated AZ91D alloy showed the presence of MgSnO3 (.) H2O, and SEM images indicated a porous structure, which provided advantage for the adsorption during sensitisation treatment prior to electroless nickel plating. A nickel coating with high phosphorus content was successfully deposited on the chemical conversion coating pre-applied to AZ91D alloy. The presence of the conversion coating between the nickel coating and the substrate reduced the potential difference between them and enhanced the corrosion resistance of the alloy. An obvious passivation occurred for the nickel coating during anodic polarization in 3.5 wt.% NaCl solution. (C) 2003 Elsevier Ltd. All rights reserved.
原文出处://WOS:000221569300008
公开日期2012-04-14
源URL[http://ir.imr.ac.cn/handle/321006/35383]  
专题金属研究所_中国科学院金属研究所
推荐引用方式
GB/T 7714
H. W. Huo,Y. Li,F. H. Wang. Corrosion of AZ91D magnesium alloy with a chemical conversion coating and electroless nickel layer[J]. Corrosion Science,2004,46(6):1467-1477.
APA H. W. Huo,Y. Li,&F. H. Wang.(2004).Corrosion of AZ91D magnesium alloy with a chemical conversion coating and electroless nickel layer.Corrosion Science,46(6),1467-1477.
MLA H. W. Huo,et al."Corrosion of AZ91D magnesium alloy with a chemical conversion coating and electroless nickel layer".Corrosion Science 46.6(2004):1467-1477.

入库方式: OAI收割

来源:金属研究所

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