Research on factors affecting fretting fatigue life of high-temperature dovetail tenon

被引：6

作者：

Yang, Bowen ^{[1
]}

Huo, Junzhou ^{[1
]}

Gao, Qiang ^{[1
]}

Ren, Rong ^{[1
]}

机构：

[1] Dalian Univ Technol, Sch Mech Engn, Dalian 116024, Peoples R China

来源：

FATIGUE & FRACTURE OF ENGINEERING MATERIALS & STRUCTURES | 2022年 / 45卷 / 04期

基金：

中国国家自然科学基金;

关键词：

dovetail tenon; fretting fatigue; high-temperature effect; influencing factors; HIGH-CYCLE FATIGUE; CRACK-GROWTH; METALLIC MATERIALS; PREDICTION MODEL; BEHAVIOR; INITIATION; TI-6AL-4V; DAMAGE; MECHANISM; WEAR;

D O I：

10.1111/ffe.13654

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

This paper takes the dovetail structure of an aero-engine compressor as the research object, designs a high-temperature dovetail fretting fatigue test, and discusses the effect of high temperature on fretting fatigue damage. Based on the fretting fatigue continuous damage accumulation model, a high-temperature fretting fatigue life prediction model of dovetail tenon considering the temperature effect is proposed and verified by experiments. The results show that the experimental data prove that the model has good prediction accuracy and its prediction error is less than 19.24%. Finally, the relative sliding distance, contact stress, Ruiz parameters, and friction work of the dovetail structure are selected, and the dovetail structure under different actual use conditions is calculated through simulation. The influence of friction coefficient, load, temperature, arc size, and other factors on the evaluation index is analyzed. The internal law of high-temperature fretting fatigue life of dovetail structure under multi-factor coupling conditions is studied.

引用

页码：1126 / 1144

页数：19

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