Impact of aluminizing on effects of K417 material by laser shock processing

被引：1
|
作者：
Liu H. [1 ]
Long N. [1 ]
He W. [1 ]
Li Y. [1 ]
Li W. [1 ]
Li Q. [1 ]
机构：
[1] Engineering College, Air Force Engineering University, Xi'an
来源：
Zhongguo Jiguang/Chinese Journal of Lasers | 2010年 / 37卷 / 10期
关键词：
Alumetizing; Fatigue resistance; K417; alloy; Laser shock processing; Laser technique; Residual stress;
D O I：
10.3788/CJL20103710.2658
中图分类号：
学科分类号：
摘要：
Fatigue resistance on cast nickel-base superalloy K417 by laser shock processing (LSP) can be enhanced. Aluminizing is necessary in order to improve the oxidation resistance and fuel gas corrosion resistance. The impact of aluminizing on the LSP effects of K417 material is researched. According to the changes of residual stress in 900°C, although some of the residual compressive stress caused by LSP will be released, the experimental results show that the fatigue resistance of the sample by LSP is 285.5 MPa while that of the sample by alumetizing after LSP is 339.5 MPa. It is indicated that the LSP and the aluminizing can be used in the same process.
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页码：2658 / 2661
页数：3
相关论文
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