Impact fretting wear behaviour of thin-walled tubes with different support structures

被引：0
|
作者：
Guan H. [1 ]
Cai Z. [1 ]
Chen Z. [1 ]
Qian H. [2 ]
Tang L. [2 ]
Zhu M. [1 ]
机构：
[1] Tribology Research Institute, State Key Laboratory of Traction Power, Southwest Jiaotong University, Chengdu
[2] Shanghai Nuclear Engineering Research and Design Institute, Shanghai
来源：
Cai, Zhenbing | 1600年 / Chinese Vibration Engineering Society卷 / 36期
关键词：
Contact time; Energy absorption rate; Impact force; Impact wear; Tube deflection;
D O I：
10.13465/j.cnki.jvs.2017.21.011
中图分类号：
学科分类号：
摘要：
The impact fretting wear behaviour of 304 stainless steel thin-walled tubes with different support structues (angle) and tube lengths was investigated by using a new impact wear tester. The contact interface characteristics and damage behavior of the tubes were inspected during the impact fretting process. The results show that when the support angle increases, the maximum deflection and contact time increase, but the contact peak force, energy absorption, and wear damage degree decrease. The rise of lengs leads to a reduction in the deflection and contact time, meanwhile an increase in the contact force, energy absorption ratio and serious damage degree. Through analyzing the morphologies and profiles of the wear scars, the wear mechanism of the impact fretting wear of 304 stainless steel thin wall tubes is judged as the contact fatigue spalling. © 2017, Editorial Office of Journal of Vibration and Shock. All right reserved.
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页码：65 / 71
页数：6
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