A High Pressure-Short Time Shear Strength Analyzer for Lubricants

[+] Author and Article Information
B. Jacobson

Lulea Technical University, Lulea, Sweden

J. Tribol 107(2), 220-223 (Apr 01, 1985) (4 pages) doi:10.1115/1.3261024 History: Received March 08, 1984; Online October 29, 2009


High pressure rheology of lubricants under transient pressure and shear stress loads is studied experimentally. The total compression time is about 140 μs and the maximum pressure during the impact time is 5.5 GPa. The results from this high speed test apparatus agree well with static tests of the shear strength increase with pressure up to 2.2 GPa.

Copyright © 1985 by ASME
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