Modeling of the Loading-Unloading Contact of Two Cylindrical Rough Surfaces with Friction

被引：9

作者：

Wang, Honghai ^{[1
]}

Jia, Peng ^{[1
]}

Wang, Liquan ^{[1
]}

Yun, Feihong ^{[1
]}

Wang, Gang ^{[1
]}

Liu, Ming ^{[1
]}

Wang, Xiangyu ^{[1
]}

机构：

[1] Harbin Engn Univ, Coll Mech & Elect Engn, 145 Nantong St, Harbin 150001, Peoples R China

来源：

APPLIED SCIENCES-BASEL | 2020年 / 10卷 / 03期

基金：

中国国家自然科学基金;

关键词：

friction; cylindrical surface; loading-unloading process; fractal model; ELASTIC-PLASTIC CONTACT; FRACTAL MODEL; JOINT INTERFACES; STIFFNESS;

D O I：

10.3390/app10030742

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The first fractal model for the loading-unloading process between two cylindrical surfaces with friction is presented. The nonlinear relation between the real contact area and the contact load in different deformation stages are deduced for a load-unload cycle. The impacts of parameters in the model are discussed. The numerical results show that for a given dimensionless contact load, the dimensionless real contact area of the loading-unloading process of cylindrical contact surface with friction, as well as the differences of the dimensionless real contact area between the loading and unloading processes, increase with the increase of the loading interference and fractal dimension, decrease of the profile scaling parameter and curvature radius, or the substitution of external contact for internal contact.

引用

页数：19

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