Abstract
Driven by the economical impact of friction phenomena, there has been considerable interest in understanding the relationship between friction reduction and the adsorption of friction modifiers on solid surfaces. We have used sum-frequency generation (SFG) spectroscopy with High Frequency Reciprocating Rig (HFRR) to investigate the adsorption of a friction modifier to an iron oxide substrate and its relationship to friction reduction. Our results convincingly demonstrate a strong correlation between the adsorption of friction modifier and the reduction in friction coefficient.
© 1999 Optical Society of America
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