A multi-scale friction model framework for full scale sheet forming simulations

被引：0
|
作者：
Hol, J. [1 ]
Meinders, T. [2 ]
Huetink, J. [2 ]
机构：
[1] Mat Innovat Inst M2i, POB 5008, NL-2600 GA Delft, Netherlands
[2] Univ Twente, Fac Engn Technol, Chair Forming Technol, NL-7500 AE Enschede, Netherlands
来源：
14TH INTERNATIONAL CONFERENCE ON MATERIAL FORMING ESAFORM, 2011 PROCEEDINGS | 2011年 / 1353卷
关键词：
friction; ploughing; adhesion; flattening; roughening; coefficient of friction; ASPERITY DEFORMATION; PLASTIC CONTACT;
D O I：
10.1063/1.3589516
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this paper a numerical framework is proposed which accounts for the most important friction mechanisms. Static flattening and flattening due to bulk strain are accounted for by theoretical models on a microscale. Based on statistical parameters a fast and efficient translation from micro- to macro modeling is included. A general overview of the friction model is presented and the translation from micro to macro modeling is outlined. The development of real area of contact is described by the flattening models and the effect of ploughing and adhesion on the coefficient of friction is described by a micro-scale friction model. A brief theoretical background of these models is given. The flattening models are validated by means of FE simulations on microscale and the feasibility of the advanced macroscopic friction model is proven by a full scale sheet metal forming simulation.
引用
收藏
页码：207 / 212
页数：6
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