Journal
MATERIALS & DESIGN
Volume 32, Issue 8-9, Pages 4548-4552Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.matdes.2011.04.031
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Funding
- Fundamental Research Funds for the Central Universities [CDJZR10130015]
- National Basic Research Program of China [2007CB613703]
- Natural Science Foundation of China [50890172]
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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 - 1 0)1(1 1 - 2 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. (C) 2011 Elsevier Ltd. All rights reserved.
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