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Study of friction and wear performance of zinc dialkyldithiophosphate in the presence of trace ketone

机译:微量酮存在下二烷基二硫代磷酸锌锌的摩擦磨损性能研究

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This study reports the influence of methyl isopropyl ketone on the tribological performance of zinc dialkyldithiophosphate. The lubricity and friction and wear tests of 500 SN neutral base stock oil containing zinc dialkyldithiophosphate with methyl isopropyl ketone were carried out by MQ-800 four-ball and MM-200 block-on-ring tribometers respectively. The experimental results show that methyl isopropyl ketone decreases the wear resistance and the load-carrying capacity of zinc dialkyldithiophosphate. The friction reduction of zinc dialkyldithiophosphate was lowered as well because of the addition of ketone. The friction and wear mechanism of zinc dialkyldithiophosphate with trace ketone was studied by optical microscopy IR, SEM, XPS and ferrography. The variations of the tribological performance of zinc dialkyldithiophosphate with ketone could be partly attributed to the decreases of active species, such as phosphorus and zinc, which are responsible for the formation of anti-wear films, on the rubbing surface due to the existence of ketone.
机译:这项研究报告了甲基异丙基酮对二烷基二硫代磷酸锌的摩擦性能的影响。分别用MQ-800四球和MM-200环上摩擦计对500 SN含二烷基二硫代磷酸锌和甲基异丙基酮的500 SN中性基础油进行润滑,摩擦和磨损试验。实验结果表明,甲基异丙基酮会降低二烷基二硫代磷酸锌的耐磨性和承载能力。由于添加了酮,二烷基二硫代磷酸锌的摩擦降低也降低了。通过光学显微镜IR,SEM,XPS和铁谱研究了二烷基二硫代磷酸锌锌与微量酮的摩擦磨损机理。二烷基二硫代磷酸锌与酮的摩擦学性能变化可能部分归因于由于存在酮而导致在摩擦表面上形成抗磨膜的磷和锌等活性物质的减少。

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