Abstract
In the automotive industry, improving the sliding properties of mechanical parts such as combustion engines and transmissions is an important issue to realize highly efficient and durable vehicles for the realization of a decarbonized society. To investigate the mechanism of property development, it is essential to understand the composition and shape of surfaces, which are at the forefront of friction and wear.
In this report, we prepared oil that simulated engine degradation and investigated the correlation between the degradation status of various additives in the oil and friction properties. It was found that there is a strong correlation between the friction coefficient μ and the degradation of various additives in the oil and the amount of MoS2 formed on the sliding surface.
