Surface modification of Ti-4Al-2V alloy by nitrogen implantation

被引：0
作者：
Z. G. Wang
X. T. Zu
X. Xiang
S. Zhu
L. M. Wang
机构：
[1] University of Electronic Science and Technology of China,Department of Applied Physics
[2] University of Michigan,Department of Nuclear Engineering and Radiological Sciences
来源：
Journal of Materials Science | 2006年 / 41卷
关键词：
Indentation Depth; Nuclear Power Industry; Nitrogen Implantation; Alpha Titanium Alloy; Ti2p Spectrum;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Ti-4Al-2V is a new type of alpha titanium alloy that suitable for the application in high-temperature and high-pressure water/steam environment. Ti-4Al-2V can be used in marine engineering, nuclear power industry. In this paper the surface characterization of the Ti-4Al-2V implanted with 75 keV nitrogen with fluences of 3 × 1017 and 8 × 1017 N+/cm2 is investigated by glancing-incidence XRD, XPS and microhardness. The results show that new phase TiN are formed after N implantation in the surface region. The nitrogen implantation increases the surface hardness up to 340 and 260% for fluence of 8 × 1017 and 3 × 1017 N+/cm2, respectively. The enhancement of hardness is related to the formation of TiN and irradiation induced hardness.
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页码：3363 / 3367
页数：4
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