WC nano-particle surface injection via laser shock peening onto 5A06 aluminum alloy

被引：24
|
作者：
Lu, Liang [1 ]
Huang, Ting [1 ]
Zhong, Minlin [1 ]
机构：
[1] Tsinghua Univ, Dept Mech Engn, Minist Educ, Key Lab Adv Mat Proc Technol, Beijing 100084, Peoples R China
来源：
SURFACE & COATINGS TECHNOLOGY | 2012年 / 206卷 / 22期
基金：
中国国家自然科学基金;
关键词：
Surface injection; Laser shock peening; Nano-particle; Wear resistance; MICROSTRUCTURE; TEMPERATURE; MECHANISM; COATINGS; POWDERS;
D O I：
10.1016/j.surfcoat.2012.03.004
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
A novel technique, named nano-particle surface injection via laser shock peening-NPSI/LSP, for surface modification of light alloys is reported. The WC nano-particles were implanted into a 5A06 aluminum alloy surface under a very high pressure (up to Giga or even tens of Giga Pascal), produced by a Q-switched pulsed Nd:Glass laser system. The results confirmed that the surface performance of the 5A06 aluminum alloy have been dramatically improved by the NPSI/LSP process based on an integrated strengthening mechanism of laser shock peening, nano-particles and nano-particle intensified shock peening. (c) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码：4525 / 4530
页数：6
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