Observation of Thickness Profiles on Lubricants during Sliding Tests : Mechanical and Acoustical Properties
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概要
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Profiles of lubricant thickness on sliding traces are monitored by an ellipsometer during sliding tests. Various thickness profiles for lubricants are observed for two selected lubricant categories, perfluoropolyether as a liquid lubricant and tetracontane as a solid lubricant. The liquid lubricant shows either a swollen portion or a sunken portion in the profile. However, no swollen portion is observed for the solid lubricant, due to its removal from a sliding track as wear debris.Recovery of the lubricant to average thickness is observed for liquid lubricant after an elapsed time. However, solid lubricant does not show thickness recovery.
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- 1988-09-20