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

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....

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Bibliographic Details
Published in:Russian engineering research 2022-12, Vol.42 (Suppl 1), p.S33-S39
Main Author: Sakhvadze, G. Zh
Format: Article
Language:English
Subjects:
Aluminum base alloys
Biomimetics
Crack propagation
Engineering
Engineering Design
Fatigue failure
Fatigue life
Finite element method
Laser shock processing
Metal fatigue
Peening
Structural analysis
Three dimensional models
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Summary: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.
ISSN:1068-798X
1934-8088
DOI:10.3103/S1068798X23010240