Study on bending fretting fatigue behaviour of 15-5PH stainless steel with different fretting regimes

被引：4

作者：

Peng, Jinfang ^{[1
]}

Zhao, Yiguang ^{[1
]}

Chen, Ruilin ^{[1
]}

Song, Yuan ^{[2
]}

Zhong, Zhengye ^{[3
]}

Liu, Jianhua ^{[3
]}

Ren, Yanping ^{[3
]}

Zhu, Minhao ^{[3
]}

机构：

[1] Southwest Jiaotong Univ, State Key Lab Rail Transit Vehicle Syst, Chengdu 610031, Peoples R China

[2] Chengdu Railway Construction Management Co LTD, Chengdu 610213, Peoples R China

[3] Southwest Jiaotong Univ, Sch Mat Sci & Engn, Chengdu 610031, Peoples R China

来源：

TRIBOLOGY INTERNATIONAL | 2024年 / 194卷

基金：

中国国家自然科学基金;

关键词：

15-5PH stainless steel; Bending fretting fatigue; Fretting regime; Failure mechanisms; SPLINE COUPLINGS; WEAR EXPERIMENTS; PREDICTION; PRESSURE; DAMAGE;

D O I：

10.1016/j.triboint.2024.109566

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

The failure of the aircraft spline shaft was attributed to overstressing, cyclic bending loads, and other complex conditions. This study investigates the bending fretting fatigue behaviours and failure mechanisms of 15-5PH stainless steel. The study analysed the residual stress, microstructure, morphology, and chemical state of the worn surface and the fatigue failure mechanisms. The results showed that fretting wear significantly reduces the bending fatigue life. The surface residual stress transitions from compressive to tensile stress states. The value of residual stress increased, and the oxygen content of the worn surface was higher in the mixed fretting regime. Fatigue fractures occur at a depth of 50-100 mu m below the surface in the present experiment.

引用

页数：12

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