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

被引：2
|
作者：
Zhang, CaiXia [1 ,3 ]
Li, Xiang [1 ,3 ]
He, JinLin [1 ,3 ]
Cheng, YanHong [1 ,3 ]
Liu, ZhiFeng [2 ,3 ]
Li, Ying [1 ,3 ]
机构：
[1] Beijing Univ Technol, Inst Adv Mfg & Intelligent Technol, Beijing 100124, Peoples R China
[2] Jilin Univ, Sch Mech & Aerosp Engn, Key Lab CNC Equipment Reliabil, Minist Educ, Changchun 130015, Peoples R China
[3] Beijing Univ Technol, Beijing Key Lab Adv Mfg Technol, Beijing 100124, Peoples R China
来源：
INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY | 2023年 / 124卷 / 11-12期
基金：
北京市自然科学基金; 中国国家自然科学基金;
关键词：
Joint surface; Modified three-dimensional fractal model; Static friction coefficient model; Experiment verification; ELASTIC-PLASTIC CONTACT;
D O I：
10.1007/s00170-022-10063-z
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
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.
引用
收藏
页码：4415 / 4429
页数：15
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