Abstract

This paper discusses a method for determining the anti-wear properties of motor oils after temperature control in the temperature range from 160 to 280°C. Optical density, viscosity, and wear scar diameter are considered. The effect of degradation products on the anti-wear properties of the oils under study was evaluated. The degree of influence of degradation products on anti-wear properties is shown, which is determined by the dependence of the change of diameter of the wear spot of thermostated oils on the absorption coefficient of the light flux. It is noted that the decomposition products have an ambiguous effect on the anti-wear properties of motor oils, which vary from 0.32 to 0.26 mm, and significant changes occur at a coefficient of K_P = 0.05 of all studied oils, while the minimum diameter of the wear spot is characterized by mineral oil, partially synthetic and synthetic oils have values greater than 1.2 times and the reason for this is their heterogeneous composition, which depends on the quality of the additives used and their tendency to decomposition. As an assessment of anti-wear properties, a criterion is proposed that characterizes the concentration of degradation products and is recommended for classifying motor oils into groups of performance properties. The data obtained on the anti-wear properties of motor oils make it possible to compare oils of the same purpose and create a databank that will allow equipment designers to reasonably select oils depending on the temperature conditions of the tribocouples.

中文翻译：

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机油恒温抗磨性能研究

摘要

本文讨论了一种在160～280℃温度范围内控温后测定机油抗磨性能的方法。考虑了光密度、粘度和磨痕直径。评估了降解产物对所研究的油的抗磨性能的影响。显示了降解产物对抗磨损性能的影响程度，这是由恒温油磨损点直径变化对光通量吸收系数的依赖性决定的。值得注意的是，分解产物对机油抗磨性能的影响不明确，其变化范围为0.32至0.26 mm，并且在系数K _{P处发生显着变化。}= 所有研究油品的 0.05，而磨损点的最小直径以矿物油为特征，部分合成和合成油的值大于 1.2 倍，其原因是它们的异质成分，这取决于添加剂的质量使用及其分解倾向。作为抗磨损性能的评估，提出了一个表征降解产物浓度的标准，并建议将机油分类为性能属性组。获得的机油抗磨性能数据可以对相同用途的机油进行比较，并创建一个数据库，使设备设计人员能够根据摩擦电偶的温度条件合理选择机油。