Influence of Biomimetic Laser Shock Peening on the Crack Resistance and Residual Fatigue Life of Aluminum Alloys

被引:0
|
作者
Sakhvadze G.Z. [1 ]
机构
[1] Mechanical Engineering Research Institute, Russian Academy of Sciences, Moscow
关键词
2024-T351 aluminum alloy; biomimetics; crack resistance; crack rotation; laser shock peening; residual stress; stress intensity;
D O I
10.3103/S1068798X23010240
中图分类号
学科分类号
摘要
Abstract: The influence of biomimetic laser shock peening on the crack resistance and residual fatigue life of 2024-T351 aluminum alloy samples is investigated. The biomimetic parameters for treatment are determined by structural analysis of cherry leaves. On that basis a finite-element 3D model is developed. It is found that the stress intensity in the samples declines on biomimetic treatment, with consequent increase in residual fatigue life. © 2022, Allerton Press, Inc.
引用
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页码:S33 / S39
页数:6
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