Improved fretting fatigue mechanism of surface-strengthened Ti-6Al-4V alloy induced by ultrasonic surface rolling process

• Published in: International journal of fatigue Vol. 170; p. 107567
• Main Authors: Ao, Ni, Liu, Daoxin, Zhang, Xiaohua, Wu, Shengchuan
• Format: Journal Article
• Language: English
• Published: Elsevier Ltd 01.05.2023
• Subjects: Compressive residual stress; Fretting fatigue; Surface deformation severity; Ultrasonic surface rolling process; Ultrasonic surface rolling process; Fretting fatigue; Compressive residual stress; Surface deformation severity

•Surface rolling deformed severity-dependent FF mechanism of titanium alloy is revealed.•The microstructural evolution of the samples with different surface rolling deformed severity before and after FF is revealed.•The difference between plain fatigue and FF of surface-strengthened Ti-6Al-4 V alloy...