Ion implanted AZ31 magnesium alloy

被引：9
|
作者：
Wu, Guosong [1 ]
Zeng, Xiaoqin [1 ]
Yao, Shoushan [1 ]
Han, Haibo [2 ]
机构：
[1] Shanghai Jiao Tong Univ, Natl Engn Res Ctr Light Alloy Net Forming, Shanghai 200030, Peoples R China
[2] Shanghai Jiao Tong Univ, Inst Anal Ctr, Shanghai 200030, Peoples R China
来源：
2006 BIMW: 2006 BEIJING INTERNATIONAL MATERIALS WEEK, PTS 1-4: MAGNESIUM | 2007年 / 546-549卷
关键词：
AZ31 Mg alloy; ion implantation; surface morphology; corrosion property;
D O I：
10.4028/www.scientific.net/MSF.546-549.551
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Ion implantation was applied to modify the surface properties of magnesium alloy. About 75 keV titanium ions with a dose of 5x10(17) ions/cm(-2) and about 35 keV nitrogen ions with a dose of 3x10(17) ions/cm(-2) were implanted into AZ31 magnesium alloy, respectively. AFM and FESEM were used to examine the surface morphology of the treated samples. In contrast to the smooth surface treated by N ion implantation, the Ti-treated surface was severely damaged. AES analysis reveals that both kinds of ions implanted in AZ31 magnesium alloy took on a quasi-Gaussian distribution in the near surface region. In the corrosion test, the N-implanted sample showed a better corrosion resistance in 3.5wt.% NaCl solution than bare AZ31 sample, whereas the Ti-implanted sample accelerated the corrosion behavior of AZ31 in this solution.
引用
收藏
页码：551 / +
页数：2
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