Relationship between friction parameters in a Coulomb-Tresca friction model for bulk metal forming

被引：40
|
作者：
Zhang, Da-Wei [1 ,2 ]
Ou, Hengan [2 ]
机构：
[1] Xi An Jiao Tong Univ, Sch Mech Engn, 28 Xianning West Rd, Xian 710049, Shaanxi, Peoples R China
[2] Univ Nottingham, Dept Mech Mat & Mfg Engn, Nottingham NG7 2RD, England
来源：
TRIBOLOGY INTERNATIONAL | 2016年 / 95卷
基金：
中国国家自然科学基金;
关键词：
Friction law; Ring compression test; Metal plastic working; HYBRID FRICTION; COMPRESSION TEST; COEFFICIENT; EXTRUSION;
D O I：
10.1016/j.triboint.2015.10.030
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
The ring compression test was employed to investigate the relationship between Coulomb friction coefficient and Tresca friction factor in a Coulomb-Tresca friction model. The results indicated that the ratio (k) of Coulomb friction coefficient to Tresca friction factor varies under lubricated and dry conditions. The ratio k can be described by a parabolic function under lubricated conditions and by an exponential function under dry condition. There is a transitional region between lubricated and dry conditions. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：13 / 18
页数：6
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