Affiliation:
1. George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA 30332
Abstract
To date, nearly all analyses of lubricant traction behavior in the Hertzian zone of concentrated contact have been performed with viscosity correlations which understate the effect of pressure and temperature at high pressures. We present viscometer measurements of lubricant viscosity for pressures to 1.4 GPa and temperatures to 165°C for various lubricants including automotive transmission fluids, aerospace lubricants, a turbine oil, and a metal working oil. Parameters of a free-volume correlation are provided for use in numerical modeling of traction, film thickness, and roughness interactions in concentrated contact.
Subject
Surfaces, Coatings and Films,Surfaces and Interfaces,Mechanical Engineering,Mechanics of Materials
Reference14 articles.
1. Bridgman, P. W.
, 1949, “Viscosities to 30,000 kg/cm2, Especially Certain Liquids,” Proc. Am. Acad. Arts Sci., 77, pp. 117–128.
2. Bair, S.
, 1993, “A Note on the Use of Roelands Equation to Describe Viscosity for EHD Hertzian Zone Calculations,” ASME J. Tribol., 115, No. 2, p. 334334.
3. Bair, S., 1999, “The Pressure-Viscosity Coefficient at Hertz Pressure and Its Relation to Concentrated Contact Traction,” Proc. 26th Leeds-Lyon Symposium on Tribology, Rowson, et al., eds., Elsevier, Amsterdam.
4. Bondi, A., 1968, Physical Properties of Molecular Crystals, Liquids and Glasses, Wiley, New York, pp. 350–358.
5. Roelands, C., 1966, “Correlational Aspects of the Viscosity-Temperature-Pressure Relationship of Lubricating Oils,” University Microfilms, Ann Arbor, MI.
Cited by
28 articles.
订阅此论文施引文献
订阅此论文施引文献，注册后可以免费订阅5篇论文的施引文献，订阅后可以查看论文全部施引文献