Impact of shot-peening on a single crystal nickel-based superalloy

被引：9
|
作者：
Morancais, A. [1 ]
Fevre, M. [2 ]
Francois, M. [3 ]
Kanoute, P. [1 ,3 ]
Kruch, S. [1 ]
Longuet, A. [4 ]
机构：
[1] ONERA French Aerosp Lab, F-92322 Chatillon, France
[2] Off Natl Etud & Rech Aerosp, UMR 104, CNRS, LEM, F-92322 Chatillon, France
[3] Univ Technol Troyes, UMR CNRS 6279, ICD LASMIS, F-10004 Troyes, France
[4] SAFRAN Snecma Villaroche, F-77550 Reau, France
来源：
RESIDUAL STRESSES IX | 2014年 / 996卷
关键词：
Shot-peening; single crystal; residual stresses; X-ray diffraction;
D O I：
10.4028/www.scientific.net/AMR.996.70
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Shot-peening is used to improve the lifetime of mechanical components through the introduction of compressive residual stresses (RS) in a surface layer. In this study, we investigate the impact of such a pre-stressing treatment on a single crystal nickel-based superalloy for high pressure turbine blades of engine aircrafts. In addition to conventional metallographic tools used to characterize the alloy microstructure and the zone affected by shot-peening, X-ray measurements have been performed in order to determine residual stress depth profiles.
引用
收藏
页码：70 / +
页数：2
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