Effect of Mg content on microstructure and corrosion behavior of hot dipped Zn-Al-Mg coatings
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- 作者：Caizhen Yaoa ; Haibing Lva ; Tianping Zhub ; Wanguo Zhenga ; Xiaodong Yuana ; xdyuan@caep.cn" class="auth_mail" title="E-mail the corresponding author ; Wei Gaob ; w.gao@auckland.ac.nz" class="auth_mail" title="E-mail the corresponding author
- 关键词：Zn-Al-Mg coating ; Mg content ; Microstructure ; Electrochemical technique ; Cathodic protection
- 刊名：Journal of Alloys and Compounds
- 出版年：2016
- 出版时间：15 June 2016
- 年：2016
- 卷：670
- 期：Complete
- 页码：239-248
- 全文大小：3123 K
文摘
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Two-layer structured Zn–Al–Mg coatings were prepared by hot dipping method.
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Mg exists in the outer layer while Al exists in the inner layer of Zn–Al–Mg coating.
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Zn–Al–Mg coating has better protective ability than Zn and Zn–Al coatings.
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The Mg-modified simonkolleite is the reason of the enhanced corrosion resistance.