Browse > Article
http://dx.doi.org/10.7777/jkfs.2015.35.2.036

The Effect of Al and Sn Additions on Corrosion Behavior of Permanent Mold Casting Magnesium Alloy  

Kim, Byeong Ho (Defence Agency for Technology and Quality)
Seo, Jae Hyun (Defence Agency for Technology and Quality)
Park, Kyung Chul (Defence Agency for Technology and Quality)
Publication Information
Journal of Korea Foundry Society / v.35, no.2, 2015 , pp. 36-43 More about this Journal
Abstract
In this study, the influences of aluminum and tin additions (individual and combined) on corrosion behavior of magnesium alloy have been determined. The studied alloys were fabricated by permanent mold casting method to measure the corrosion properties, a potentiodynamic test, hydrogen evolution test and immersion test were carried out in a 3.5% NaCl solution at pH 7.2. From the results of microstructure analysis, the Mg-9Al-1Zn alloy was found to be composed of ${\alpha}$-Mg and rod-like $Mg_{17}Al_{12}$ phase and the Mg-5Sn-5Al-1Zn alloy was found to be composed of ${\alpha}$-Mg, rod-like $Mg_{17}Al_{12}$ and $Mg_2Sn$ phases. In the case of the Mg-9Sn-1Zn alloy, the microstructure was composed of ${\alpha}$-Mg and eutectic $Mg_2Sn$ phase. With Sn addition (individual and combined), the corrosion resistance of the Mg alloys improved.
Keywords
Permanent mold casting; Magnesium alloy; Corrosion properties;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
연도 인용수 순위
1 M. Yang and F. Pan, Mater. Design, "Effects of Sn addition on as-cast microstructure, mechanical properties and casting fluidity of ZA84 magnesium alloy", 31 (2010) 68-75.   DOI
2 Jo SM, Park KC, Park BH, H. Kimura, Park SK and Park YH, Mater. Trans., "Investigation on the microstructure and mechanical properties of Mg-Al-Yb alloys", 52 (2011) 1088-1095.   DOI
3 M. M. Avedesian, N. M. Inc. and H. Baker, Magnesium and Magnesium alloys, ASM International, USA, (1999) 3-6.
4 Kim BH, Park KC, Park YH and Park IM, Mater. Sci. Eng. A, "Investigations of the properties of Mg-4Al-2Sn-1Ca-xCe alloys", 527 (2010) 6372-6377.   DOI
5 S. Wei, Y. Chen, Y. Tang, H. Liu, S. Xiao, G. Niu, X. Zhang and Y. Zhao, Mater. Sci. Eng. A, "Compressive creep behavior of as-cast and aging-treated Mg-5 wt% Sn alloys", 492 (2008) 20-23.   DOI
6 W. Xiao, S. Jia, J. Wang, J. Yang and L. Wang, Acta. Mater., "The influence of mischmetal and tin on the microstructure and mechanical properties of Mg-6Zn-5Al-based alloys", 56 (2008) 934-941.   DOI
7 X. Zhang, Y. J. Li, K. Zhang and C. S. Wang, Trans. Nonferrous Met. Soc. China, "Corrosion and electrochemical behavior of MgY alloys in 3.5% NaCl solution", 23 (2013) 1226-1236.   DOI
8 Mingbo. Y and Fusheng. P, Mater. Sci. Eng. A, "Effects of Y addition on as-cast microstructure and mechanical properties of Mg-3Sn-2Ca (wt.%) magnesium alloy", 525 (2009) 112-120.   DOI   ScienceOn
9 Kim JH, Cho DH and Park IM, J. Korea Foundry Society, "Effect of cerium on the microstructure and room temperature tensile properties of Mg-4Al-2Sn-1Si alloys", 32 (2012) 289-295.   DOI
10 H. E. Friedrich and B. L. Mordike, Magnesium Technology, Springer, Germany, (2006) 20.
11 Kim BH, Park KC, Park YH and Park IM, Mater. Lett., "Effect of Pd on microstructures and tensile properties of ascast Mg-6Al-1Zn alloys", 65 (2011) 122-125.   DOI
12 C. L. Mendis, C. J. Bettles, M. A. Gibson and C. R. Hutchinson, Mater. Sci. Eng. A, "An enhanced age hardening response in Mg-Sn based alloys containing Zn", 435-436 (2006) 163-171.   DOI
13 TANG S. Q, ZHOU J. X, TIAN C. W and YANG Y. S, Trans. Nonferrous Met. Soc. China, "Morphology modification of $Mg_2Si$ by Sr addition in Mg-4%Si alloy", 21 (2011) 1932-1936.   DOI
14 Kang YH, Kim SH, Jo SM, Kim BH, Park IM and Park YH, J. Korea Foundry Society, "Microstructure and corrosion behavior of Mg-xSn (x = 1, 3, 5, 7, 9 wt.%) Alloys", 31 (2011) 362-365.   DOI
15 Song. G and Atrens. A, Adv. Eng. Mater., "Corrosion Mechanisms of Magnesium Alloys", 1 (1999) 11-33.   DOI
16 Park KC, Park BH, H. Kimura, Park YH and Park IM, Mater. Trans., "Microstructure and corrosion properties of Mg-xSn-5Al-1Zn (x = 0, 1, 5 and 9 mass%) alloys", 51 (2010) 472-476.   DOI
17 Song. G and Atrens. A, Adv. Eng. Mater., "Understanding Magnesium Corrosion", 5 (2003) 837-858.   DOI
18 Park KC, Kim BH, Jung JW, Cho DH and Park IM, J. Korea Foundry Society, "The Effect of Ce Addition on Corrosion Behavior of Permanent Mold Casting Mg-4Al-2Sn-1Ca alloy", 34 (2014) 187-193.   DOI
19 Zhao. MC, Liu. M, Song. G and Atrens. A, Corros. Sci., "Influence of the b-phase morphology on the corrosion of the Mg alloy AZ91", 50 (2008) 1939-1953.   DOI