Corrosion Behavior of AZ61 Magnesium Alloys in NaCl Solution

Abstract:

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Magnesium alloys are used widely because of its good performance. However, its practical application is restricted by low corrosion resistance. In this study, the effects of corrosion time and NaCl concentration on the corrosion behavior of AZ61 magnesium alloy were investigated from the corrosion morphology and the corrosion rate. These results have displayed that the corrosion rate of AZ61 magnesium alloy decreases with the increasing etching time. Meanwhile, the corrosion rate of AZ61 magnesium alloy increases with the increasing sodium chloride concentration. This is mainly because that the Cl- ion in the solution destroys the protective film on the surface of magnesium alloy and the high Cl- ion concentration accelerates the corrosion rate.

Info:

Periodical:

Advanced Materials Research (Volumes 239-242)

Edited by:

Zhong Cao, Xueqiang Cao, Lixian Sun, Yinghe He

Pages:

2240-2243

DOI:

10.4028/www.scientific.net/AMR.239-242.2240

Citation:

Y. S. Chai et al., "Corrosion Behavior of AZ61 Magnesium Alloys in NaCl Solution", Advanced Materials Research, Vols. 239-242, pp. 2240-2243, 2011

Online since:

May 2011

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Price:

$35.00

[1] Hongxin Xu, Changhai Liu, Ning Dai. The development and research of magnesium alloy material[J]. Heat Treatment, 2004, 21(4): 17-20.

[2] Fen Wang, Zhixin Kang, Yuanyuan Li. The research development of anti-corrosion for magnesium alloys surface[J]. Progress of Titanium Industrial, 2007, 24(1): 20-24.

[3] Guanwei Guo, Tiejian Su, Chengwen Tan etc. The research and development of corrosion and protection for magnesium alloy[J]. Materials and Surface Treatment Technology, 2007, (9): 69-72.

[4] M.F. Montemor, A.M. Simoes, M.G.S. Ferreira, etc. Composition and corrosion resistance of cerium conversion films on the AZ31 magnesium alloy and its relation to the salt anion. Applied Surface Science 2008, 254: 1806–1814.

DOI: 10.1016/j.apsusc.2007.07.187

[5] Hanru Zhang, Yuan Hao. The mechanism of AZ91D magnesium alloy corrosion in Cl- solution[J]. Foundry Technology, 2007, (3): 19-27.

[6] Weijun Xu, Ying Ma, Tijun Chen, etc. The corrosion characteristics of thixoforming AZ91D magnesium alloy in NaCl aqueous[J]. Heat Treatment, 2007, 36(12): 22-25.

[7] Weijun Xu, Ying Ma, Weiling Lv, etc. Corrosion behavior of thixoforming AZ91D magnesium alloy in NaCl aqueous[J]. Chinese Society for Corrosion and Protection, 2007, 27(4): 206-209.

[8] Weiling Lv, Weijun Xu, Yuan Hao, etc. Concentrations of surface alloying element in corrosion piocess of thixoforming AZ91D magnesium alloy[J]. Heat Treatment, 2006, 35(8): 18-24.

[9] A. Pardo, M.C. Merino, A.E. Coy, R. Arrabal, F. Viejo, E. Matykina. Corrosion behaviour of magnesium/aluminium alloys in 3. 5 wt. % NaCl[J]. Corrosion Science, (2007).

DOI: 10.1016/j.corsci.2007.11.005

[10] Lingjie Li, Shenghai Yu, Jinglei Lei, etc. Corrosion behavior of AZ31 and AZ61 mangnesium alloy in simulated seawater[J]. Electrochemical,2008, 14(1): 95-99.

[11] Lingjie Li, Shenghai Yu, Jinglei Lei, etc. Corrosion behavior of AZ40 magnesium alloy in simulated seawater[J]. Journal of Chongqing University,2008, 31(6): 702-706.

[12] Lijun Zhang, Zhao Zhang, Jianqing Zhang. Corrosion behavior of anodized AZ91D magnesium alloy in dilute sodium chloride solution[J]. Journal of Physical Chemistry, 2008, 24(10): 1831-1838.

[13] C. Berziou, K. Remy, A. Billard, J. Creus. Corrosion behaviour of dc magnetron sputtered Fe1_xMgx alloy films in 3 wt% NaCl solution[J]. Corrosion Science, 2007(49): 4276–4295.

DOI: 10.1016/j.corsci.2007.04.008

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