Influence of Residual Stress on Fatigue Lives of AISI9310 Gear Processed by Laser Shock Peening

被引：0
|
作者：
Wang, Hedong [1 ]
Peng, Chong [1 ]
Xiao, Yuzhe [1 ]
机构：
[1] Beijing Univ Aeronaut & Astronaut, Sch Mech Engn & Automat, Beijing, Peoples R China
来源：
2019 IEEE INTERNATIONAL CONFERENCE ON MECHATRONICS AND AUTOMATION (ICMA) | 2019年
关键词：
Tooth fracture; Laser shock peening; Paris equation; Residual stress; TITANIUM-ALLOY; SIMULATION; PERFORMANCE; BEHAVIOR;
D O I：
10.1109/icma.2019.8816407
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
As a novel sur face treatment technique, laser shock peening has been widely employed to optimize fatigue performance of target meta Is. Our previous study has proved that laser shock peening can effectively improve the fatigue life of AISI 9310 gears. This study focuses on the crack initiation and propagation stage, further investigates the influence of residual stress on gears fatigue lives. Subsequent bending fatigue test under the same loading can generate similar experiment results. It turns out that the AISI9310 gears in our study are at the infinite fatigue life stage after laser shock peening.
引用
收藏
页码：728 / 732
页数：5
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