Cyclic oxidation behaviour of cerium implanted AZ31 magnesium alloys

被引：8
|
作者：
Ding, Wenjiang
Wang, Xuemin [1 ]
Zeng, Xiaoqin
Wu, Guosong
Yao, Shoushan
Lai, Yijian
机构：
[1] Shanghai Jiao Tong Univ, Natl Engn Res Ctr Light Alloys Net Forming, Shanghai 200030, Peoples R China
[2] Shanghai Jiao Tong Univ, Instrumental Anal Ctr, Shanghai 200030, Peoples R China
来源：
MATERIALS LETTERS | 2007年 / 61卷 / 06期
关键词：
magnesium; ion implantation; oxidation;
D O I：
10.1016/j.matlet.2006.07.044
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
AZ31 samples were implanted with 90 keV cerium ions with a dose of 1 x 10(17) ions/cm(2). Auger electron spectroscopy (AES), X-ray photoelectron spectroscopy (XPS) and Glancing angle X-ray diffraction (GAXRD) were used in order to investigate the characterization of elements in the implanted surface. The results indicate that after cerium implantation a pre-oxidation layer with double structure was formed. The influence of cerium implantation on the cyclic oxidation behaviour of AZ31 samples was studied at 773 K in air for 96 h, and the morphologies of the oxide scales were examined by scanning electron microscopy (SEM). It was found that the oxidation resistance of the implanted sample has been improved. The mechanisms to explain the experimental results were also proposed. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：1429 / 1432
页数：4
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