Influence of alloyed magnesium on the microstructure and long-term corrosion behavior of hot-dip Al-Zn-Si coating in NaCl solution
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- 作者：Wei Liua ; Mou-Cheng Lib ; Qun Luoa ; Hong-Qiang Fane ; Jie-Yu Zhanga ; Hu-Sheng Lud ; Kuo-Chih Choua ; Xun-Li Wangf ; Qian Lia ; c ; shuliqian@shu.edu.cn" class="auth_mail" title="E-mail the corresponding author ; shuliqian75@gmail.com" class="auth_mail" title="E-mail the corresponding author
- 关键词：A. Metal coatings ; A. Magnesium ; B. Weight loss ; B. EIS
- 刊名：Corrosion Science
- 出版年：2016
- 出版时间：March 2016
- 年：2016
- 卷：104
- 期：Complete
- 页码：217-226
- 全文大小：5203 K
文摘
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Equilateral triangle Mg2Si phases appear on the surface of Al–Zn–Si–xMg coatings.
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Mg-rich phase can obviously improve the corrosion resistance of Al–Zn–Si–xMg coatings.
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Zn–Al LDH more easily precipitates on the Al–Zn–Si–xMg coatings with Mg2+.
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Mg2Si has better anti-corrosion effects than MgZn2.
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De-alloying stage of Mg2Si contributes to prolong the cathodic protection effect.
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