Review of Fretting Fatigue Palliative Technology for Dovetail Joint of Titanium Alloy
YANG Qi 1,2, FU Xuesong2 , ZHOU Wenlong 2,3
(1. College of Chemical and Materials Engineering, Xuchang University, Xuchang 461000, China; 2. Key Laboratory of Solidification Control and Digital Preparation Technology (Liaoning Province), Dalian University of Technology, Dalian 116085, China; 3. Dalian University of Technology (Yingkou) Advanced Materials Engineering Center Ltd., Yingkou 115007, China)
Abstract：The fretting fatigue failure form and testing approach of blade-disk dovetail joint in the turbine engine are reviewed, the latest research progress of surface modification technology for improving the fretting fatigue properties of titanium alloys is summarized. The treatment process, strengthening mechanism of different technology and their applications in improving the fretting fatigue performance of titanium alloy blade are introduced. The existing problems in the research field are proposed.
2020, 
