Static friction coefficient model of joint surface based on the modified fractal model and experimental investigation

被引：0
|
作者：
CaiXia Zhang
Xiang LI
JinLin He
YanHong Cheng
ZhiFeng Liu
Ying Li
机构：
[1] Beijing University of Technology,Institute of Advanced Manufacturing and Intelligent Technology
[2] Jilin University,Key Laboratory of CNC Equipment Reliability, Ministry of Education, School of Mechanical and Aerospace Engineering
[3] Beijing University of Technology,Beijing Key Laboratory of Advanced Manufacturing Technology
来源：
The International Journal of Advanced Manufacturing Technology | 2023年 / 124卷
关键词：
Joint surface; Modified three-dimensional fractal model; Static friction coefficient model; Experiment verification;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
It has been widely recognized that there are influences of static friction characteristics in a bolted joint on pre-tightening and service reliability. This study proposed a static friction coefficient model of joint surfaces based on the modified three-dimensional fractal model. A method of measuring the static friction coefficient of joint surfaces was investigated to verify the accuracy of model. The results showed that calculated value of the model and measured value of experiment are highly matched. Furthermore, the influential mechanisms of material, pressure, and surface topography were investigated. The relative error between experimental results and model calculations are all less than 15%. This research provides a theoretical basis for subsequent research on the friction characteristics of joint surfaces and connection reliability of bolted joints.
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收藏
页码：4415 / 4429
页数：14
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