Statistical Model of Normal Contact Stiffness of Fixed Joint Surface during Unloading after First Loading

被引：1
|
作者：
Yin, Donghua [1 ]
Zhang, Xueliang [1 ]
Chen, Yonghui [1 ]
Lan, Guosheng [1 ]
Wang, Yanhui [1 ]
Wen, Shuhua [1 ]
机构：
[1] Taiyuan Univ Sci & Technol, Sch Mech Engn, Taiyuan 030024, Peoples R China
来源：
ADVANCES IN MATERIALS SCIENCE AND ENGINEERING | 2021年 / 2021卷
关键词：
ELASTIC-PLASTIC CONTACT;
D O I：
10.1155/2021/6626727
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Based on Kogut and Etsion's model (KE model), a statistical method is used to establish a model of normal contact stiffness of fixed joint surface during unloading after first loading. Simulation results show that, for the elastoplastic contact, normal contact stiffness of joint surface is the nonlinear function of mean surface separation during loading and unloading and decreases as the separation increases. For different plasticity indexes, the normal contact stiffness of joint surface varies differently following the change of mean surface separation during loading and unloading.
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页数：8
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