Pressure Viscosity Characteristics of a Series of Siloxane Fluids

[+] Author and Article Information
J. Jakobsen, D. M. Sanborn, W. O. Winer

School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, Ga.

J. of Lubrication Tech 96(3), 410-417 (Jul 01, 1974) (8 pages) doi:10.1115/1.3451980 History: Received July 02, 1973; Online October 18, 2010


The viscosity-pressure-temperature behavior of a series of 14 siloxane polymers is reported. The series of fluids includes a range of degree of polymerization and of size and nature of side radicals. The variations span the range of siloxane fluids currently available and considered as possible lubricants. The major conclusion is that the pressure viscosity coefficient considered important to elastohydrodynamic lubrication is only influenced by changing the nature of the side radical and not by the degree of polymerization or the size of alkyl side groups on the siloxane chain.

Copyright © 1974 by ASME
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