Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
7171625 | International Journal of Fatigue | 2018 | 26 Pages |
Abstract
Fretting fatigue initiation behavior in Ti-6Al-4V dovetail assemblies are investigated by the combining applications of experimental and theoretical methods. The evolution of fretting regime, fretting wear mechanism and fretting crack initiation behavior in as-received and shot-peened samples are developed and comparatively evaluated. The effect of shot-peening on crack initiation orientation is elucidated through an analytical approach using fracture mechanic concepts. The results highlight that shot-peening not only changes the fretting wear mechanism and crack initiation angle, but also reduces the crack number and prevents the crack propagation in Ti-6Al-4V dovetail joint specimens.
Related Topics
Physical Sciences and Engineering
Engineering
Mechanical Engineering
Authors
Qi Yang, Wenlong Zhou, Yining Zhong, Xinhua Zhang, Xuesong Fu, Guoqing Chen, Zhiqiang Li,