Coating Materials for Automotive Piston Rings: A Review of Tribological Performance and Engine Impact

Dr. Maria Zhang; Olivia P. Kurek

Authors

Dr. Maria Zhang Institute of Materials Science and Engineering, National University of Singapore, Singapore
Olivia P. Kurek Faculty of Engineering, Technical University of Warsaw, Poland

Keywords:

Tribology, piston rings, automotive coatings, wear resistance

Abstract

The tribological performance of automotive piston rings is pivotal for ensuring the longevity and efficiency of internal combustion engines. This review delves into the advancements in coating technologies applied to automotive piston rings, focusing on their impact on wear resistance, friction reduction, and overall engine performance. Various coating materials, including chromium-based, diamond-like carbon (DLC), nitriding, and thermal barrier coatings, are analyzed based on their tribological properties. Additionally, the challenges and future directions for the development of coatings that can withstand harsh engine conditions while minimizing fuel consumption and environmental impact are discussed.

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