Techniques used to improve the tribological performance of the piston ring-cylinder liner contact

Abstract

The mechanical assemblies in automotive engines are usually lubricated by a combination of oil and solid lubrication films. Consequently, the significant current challenges for developing the tribological behavior of vehicle engines need the lubricants that conform to different operating conditions by providing mechanisms for reducing friction and wear. This article summarily reviews the techniques used to improve the tribological performance for piston ring-cylinder liner contact and evaluates their effectiveness to provide the most assuring approaches to reduce friction and wear. The objective was to explore the areas where there are openings for further research contributions to achieving an improvement in the piston ring-cylinder contact in automotive engines.