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Influence of texture on corrosion rate of AZ31 Mg alloy in 3.5 wt.% NaCl

✍ Scribed by Renlong Xin; Bo Li; Ling Li; Qing Liu

Publisher: Elsevier Science
Year: 2011
Weight: 844 KB
Volume: 32
Category: Article
ISSN: 0261-3069
DOI: 10.1016/j.matdes.2011.04.031

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✦ Synopsis

In this study, AZ31 Mg alloys with different grain orientation were prepared to investigate the influence of texture on corrosion rate in 3.5 wt.% NaCl. Experimental results showed that texture had significant influence on the corrosion rate of AZ31 in 3.5% NaCl. The corrosion rate of AZ31 dramatically increased with the (0 0 0 1) texture intensity decreased and the (1 0 À1 0)/(1 1 À2 0) texture intensity increased. The corrosion rate reached a maximum at about 3 h immersion and subsequently decreased slightly due to the formation of a Mg(OH) 2 corrosion product layer. This study indicates that the corrosion rate of AZ31 Mg alloy in NaCl solution can be modified to some extend by controlling texture.

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Influence of texture on corrosion rate of AZ31 Mg alloy in 3.5&#xa0;wt.% NaCl

✦ Synopsis

Influence of texture on corrosion rate of AZ31 Mg alloy in 3.5 wt.% NaCl