Abstract
Foreign object damage (FOD) can seriously shorten the fatigue life of aviation components. On the other hand, double-sided laser shock peening (LSP) has been developed to improve the service-time of thin Ti-6Al-4V alloy specimen by inducing homogeneous compressive residual stresses (CRS). In order to study the effect of FOD on fatigue properties of the double-sided LSP treated specimens, damage characteristics, local stress evolution and fatigue crack propagation laws of FOD specimens were investigated. The results suggest that double-sided LSP can reduce the adverse effect of FOD on the fatigue performances of the specimens by introducing CRS, and the local stress field is relatively stable under fatigue-related conditions, with 25% relaxation after 500 blocks and 40% relaxation after 1000 blocks, thus improving the fatigue properties of specimens.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
