Effect of Laser Shock Processing on High Cycle Fatigue Properties of 1Cr11Ni2W2MoV Stainless Steel

被引：0
|
作者：
Zhou Lei [1 ]
He Weifeng [1 ]
Wang Xede [1 ]
Zhou Liucheng [1 ]
Li Qipeng [1 ]
机构：
[1] AF Engn Univ, Sci & Technol Plasma Dynam Lab, Engn Inst, Xian 710038, Peoples R China
来源：
RARE METAL MATERIALS AND ENGINEERING | 2011年 / 40卷
关键词：
laser shock processing; 1Cr11Ni2W2MoV stainless steel; high cycle fatigue properties; SURFACE NANOCRYSTALLIZATION;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
By means of laser shock processing (LSP) treatment, a nanostructured surface layer was formed on 1Cr11Ni2W2MoV stainless steel. Group contrastive high cycle fatigue tests were carried out in 1Cr11Ni2W2MoV stainless steel before and after LSP treated. The experimental data was analyzed by mathematical statistics method and the influence mechanism of fatigue properties affected by LSP treatment was also researched. The results indicate that LSP treatment can improve the high cycle fatigue life of 1Cr11Ni2W2MoV stainless steel effectively. The ultra-fine grained surface layer with residual compressive stress and nanostructured surface layer make great contributions to the improvement in fatigue properties of 1Cr11Ni2W2MoV stainless steel.
引用
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页码：174 / 177
页数：4
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