In recent years, several theoretical models to predict the triboreactive film thickness of zinc dialkyldithiophosphates (ZDDP) have been developed. Although these models are not complete and are approximate in nature, they provide a framework which can be used to evaluate the factors impacting the tribofilm growth. In this paper, rough surfaces with different roughness parameters were numerically generated and used to calculate the tribofilm growth. The simulation results show that lower negative skewness, higher kurtosis, and larger autocorrelation length values give thicker ZDDP tribofilms with skewness and autocorrelation values having a greater effect on the tribofilm growth. Based on the simulation results, it is found that these parameters influence the tribofilm growth by changing the contact ratio which eventually changes the dynamic growth of tribofilm and wear of substrate. The results presented in this paper have bigger implications for industry in designing surface textures that promote the anti‐wear action.

中文翻译：

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达到最佳添加剂性能：一项数值研究，以了解粗糙度参数对二烷基二硫代磷酸锌摩擦膜生长的影响

近年来，已经开发了几种理论模型来预测二烷基二硫代磷酸锌（ZDDP）的摩擦反应膜厚度。尽管这些模型并不完整，本质上是近似的，但它们提供了可用于评估影响摩擦膜生长的因素的框架。本文通过数值生成具有不同粗糙度参数的粗糙表面，并将其用于计算摩擦膜的生长。仿真结果表明，较低的负偏度，较高的峰度和较大的自相关长度值将使ZDDP摩擦膜更厚，而偏度和自相关值对摩擦膜的生长影响更大。根据仿真结果，已发现这些参数通过改变接触比来影响摩擦膜的生长，最终改变摩擦膜的动态生长和基材的磨损。本文提出的结果对于设计能够促进抗磨作用的表面织构具有更大的工业意义。