期刊
INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES
卷 89, 期 -, 页码 391-402出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijmecsci.2014.10.004
关键词
Mixed lubrication; 3D modelling; Equivalent interfacial layer; Multi-scale
资金
- BAJC project [BA12003]
- CSC
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.
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