期刊
TRIBOLOGY INTERNATIONAL
卷 70, 期 -, 页码 179-189出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.triboint.2013.10.004
关键词
Traction coefficient; Surface roughness; Asperity load ratio; Thermal EHL
The behavior of traction coefficient in line-contact EHL with provision for surface roughness is studied and a method for its prediction is presented. The statistical elasto-plastic asperity contact model is utilized to determine the traction coefficient with consideration of the free volume properties of the lubricant suitable for a wide range of high pressures and temperatures. The results are validated experimentally and a useful expression is derived for prediction of traction coefficient that takes into account both hydrodynamic and surface asperity effects. (C) 2013 Elsevier Ltd. All rights reserved.
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