Influences of the quantity of Mg(2)Sn phase on the corrosion behavior of Mg-7Sn magnesium alloy

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	Influences of the quantity of Mg(2)Sn phase on the corrosion behavior of Mg-7Sn magnesium alloy
	X. B. Liu; D. Y. Shan; Y. W. Song; R. S. Chen; E. H. Han
	2011
发表期刊	Electrochimica Acta
ISSN	0013-4686
卷号	56 期号:5 页码:2582-2590
摘要	The influence of the quantity of the Mg(2)Sn phase on the corrosion behavior of different solution temperature treated Mg-7Sn magnesium alloy has been investigated by electrochemical measurements, scanning electron microscope (SEM) observation, X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS) analysis. With the increase of solution temperature, the quantity of Mg(2)Sn phase decreased and the tin concentration of matrix increased. The dissolved tin in Mg matrix took part in the film formation and the constituent of film was magnesium oxide and stannic oxide. The corrosion mode and corrosion rate were associated with the quantity of Mg(2)Sn phases and tin concentration of the matrix. If most of tin was present as Mg(2)Sn, the corrosion mode was pitting corrosion and it accelerated the corrosion rate. If most of tin was dissolved in matrix, the corrosion mode was filiform corrosion and it decreased the corrosion rate. The experiment evidences demonstrated that the corrosion resistance can be improved by increasing the tin concentration of matrix and the lowest corrosion rate was observed for sample solution treated at 540 degrees C. (C) 2010 Elsevier Ltd. All rights reserved.
部门归属	[liu, xianbin; shan, dayong; song, yingwei; chen, rongshi; han, enhou] chinese acad sci, inst met res, state key lab corros & protect, shenyang 110016, liaoning, peoples r china.;shan, dy (reprint author), chinese acad sci, inst met res, state key lab corros & protect, 62 wencui rd, shenyang 110016, liaoning, peoples r china;dyshan@imr.ac.cn
关键词	Mg(2)Sn Phase Mg-7sn Alloy Corrosion Mode Solution Temperature Stannic Oxide Sn Az91 Microstructure Zn
URL	查看原文
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/30544
专题	中国科学院金属研究所
推荐引用方式 GB/T 7714	X. B. Liu,D. Y. Shan,Y. W. Song,et al. Influences of the quantity of Mg(2)Sn phase on the corrosion behavior of Mg-7Sn magnesium alloy[J]. Electrochimica Acta,2011,56(5):2582-2590.
APA	X. B. Liu,D. Y. Shan,Y. W. Song,R. S. Chen,&E. H. Han.(2011).Influences of the quantity of Mg(2)Sn phase on the corrosion behavior of Mg-7Sn magnesium alloy.Electrochimica Acta,56(5),2582-2590.
MLA	X. B. Liu,et al."Influences of the quantity of Mg(2)Sn phase on the corrosion behavior of Mg-7Sn magnesium alloy".Electrochimica Acta 56.5(2011):2582-2590.