Surface characteristics and corrosion behavior of Ti-4Al-2V alloy implanted with Al and Nb

被引：3
作者：
Liu, Y. Z. [1 ,2 ]
Zu, X. T. [1 ]
Qiu, S. Y. [2 ]
Huang, X. Q. [2 ]
机构：
[1] Univ Elect Sci & Technol China, Dept Appl Phys, Chengdu 610054, Peoples R China
[2] Natl Key Lab Nucl Fuel & Mat, Chengdu 610041, Peoples R China
来源：
PRICM 6: SIXTH PACIFIC RIM INTERNATIONAL CONFERENCE ON ADVANCED MATERIALS AND PROCESSING, PTS 1-3 | 2007年 / 561-565卷
关键词：
corrosion resistance; ion implantation; phase formation; Ti-Al-V;
D O I：
10.4028/www.scientific.net/MSF.561-565.2443
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
A Ti-Al-V alloy was implanted with Al and Nb to flounces ranging from 1 x 10(17) to 1 x 10(18) ions cm(-2). Glancing Angle XRD measurement revealed alpha-Ti on Al-implanted samples and (alpha+beta)-Ti on Nb-implanted samples. The (alpha+beta)-phase samples exhibit better corrosion resistance. In the aerated solution with pH = 10, all the implanted surfaces are passive. Enhanced reoxidation was confirmed on implanted surfaces by Auger electron spectroscopy and X-ray photoelectron spectroscopy analysis. The corrosion in the solution with pH = 10 was governed predominantly by a TiO2 surface film.
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页码：2443 / +
页数：2
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