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Tribological Performance Of Ashless Antiwear Additives Under Extreme Pressure Conditions
(Materials Science & Engineering, 2010-07-19)
Zinc diakyl dithiophosphate (ZDDP) has been used in engine oil for several decades as an antiwear additive. However, ZDDP is the primary source of P, S and Zn in the exhaust, which results in frequent maintenance or ...