Influences of the quantity of Mg2Sn phase on the corrosion behavior of Mg-7Sn magnesium alloy

doi:10.1016/j.electacta.2010.12.030

IMR OpenIR

	Influences of the quantity of Mg2Sn phase on the corrosion behavior of Mg-7Sn magnesium alloy
	Liu, Xianbin; Shan, Dayong; Song, Yingwei; Chen, Rongshi; Han, Enhou
通讯作者	Shan, Dayong(dyshan@imr.ac.cn)
	2011-02-01
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 Mg2Sn 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 Mg2Sn 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 Mg2Sn phases and tin concentration of the matrix. If most of tin was present as Mg2Sn, 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.
关键词	Mg2Sn phase Mg-7Sn alloy Corrosion mode Solution temperature Stannic oxide
资助者	National Basic Research Program of China
DOI	10.1016/j.electacta.2010.12.030
收录类别	SCI
语种	英语
资助项目	National Basic Research Program of China[2007CB613705]
WOS研究方向	Electrochemistry
WOS类目	Electrochemistry
WOS记录号	WOS:000288227800094
出版者	PERGAMON-ELSEVIER SCIENCE LTD
引用统计	被引频次：141[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/104596
专题	中国科学院金属研究所
通讯作者	Shan, Dayong
作者单位	Chinese Acad Sci, Inst Met Res, State Key Lab Corros & Protect, Shenyang 110016, Liaoning, Peoples R China
推荐引用方式 GB/T 7714	Liu, Xianbin,Shan, Dayong,Song, Yingwei,et al. Influences of the quantity of Mg2Sn phase on the corrosion behavior of Mg-7Sn magnesium alloy[J]. ELECTROCHIMICA ACTA,2011,56(5):2582-2590.
APA	Liu, Xianbin,Shan, Dayong,Song, Yingwei,Chen, Rongshi,&Han, Enhou.(2011).Influences of the quantity of Mg2Sn phase on the corrosion behavior of Mg-7Sn magnesium alloy.ELECTROCHIMICA ACTA,56(5),2582-2590.
MLA	Liu, Xianbin,et al."Influences of the quantity of Mg2Sn phase on the corrosion behavior of Mg-7Sn magnesium alloy".ELECTROCHIMICA ACTA 56.5(2011):2582-2590.