A novel multi-scale statistical characterization of interface pressure and friction in metal strip rolling

被引：34

作者：

Wu, Chuhan ^{[1
]}

Zhang, Liangchi ^{[1
]}

Li, Shanqing ^{[2
]}

Jiang, Zhenglian ^{[2
]}

Qu, Peilei ^{[2
]}

机构：

[1] Univ New S Wales, Sch Mech & Mfg Engn, Sydney, NSW 2052, Australia

[2] Baoshan Iron & Steel Co Ltd, Shanghai 200941, Peoples R China

来源：

INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES | 2014年 / 89卷

关键词：

Mixed lubrication; 3D modelling; Equivalent interfacial layer; Multi-scale; FINITE-ELEMENT; MIXED LUBRICATION; MATERIAL REMOVAL; MODEL;

D O I：

10.1016/j.ijmecsci.2014.10.004

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

This paper presents a novel multi-scale method to investigate the interface pressure and friction in a 3D model of cold strip rolling. The key innovation is the introduction of an equivalent interfacial layerl to integrate the effect of lubricant with surface asperity deformation. This multi-scale method also enables to capture the microscopic roll-strip interface deformation associated with the random asperities and to treat all the lubrication regimes from hydrodynamic lubrication to mixed and boundary lubrication in a single program. The proposed method can predict well the experimental measurements, and is applicable to other contact sliding processes involving complex lubrication regimes. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：391 / 402

页数：12

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