Friction Reduction by Dimple Type Textured Cylinder Liners—An Experimental Investigation

Abstract

Applying texture to a surface in a tribological interface will influence frictional performance, which has been investigated in several previous studies. However, since varying operating conditions heavily affect the frictional performance and optimum texture dimensions, more work in this field is required. There are few experimental studies concerning the influence of texture on friction especially under sliding lubricated conditions and even fewer at high sliding speeds. In this work, the effect of texture on frictional losses between the piston ring and cylinder liner is studied experimentally. The texture is of the dimple type, with a diameter and depth of 300 µm and 3 µm, respectively, applied to the cylinder liner surface. Experiments are performed with sliding speeds close to real piston sliding speeds. A clear reduction in frictional losses is observed with the textured cylinder liner. Moreover, qualitatively comparing the experimental results to a numerical model shows a good correlation.

Effect of acid erosion on the tribological performance of surface texture prepared with laser processing

“…It has been gained more and more attention in recent years (Chen et al , 2021; Wahab et al , 2016; Costa and Hutchings, 2015). Numerous studies have shown that surface texturing techniques can improve the wear resistance, lubricity, corrosion resistance and other properties of materials, which extend their service life (Wang et al , 2023; Söderfjäll and Gachot, 2023).…”

Change in Time of the Value of Dry and Lubricated Friction Coefficients for Surfaces Generated by Different Processing Methods

“…The influence of the nature and chemical composition of the materials of the parts involved in the friction process on some tribological properties of different categories of materials [3,12,14,[24][25][26][27]; -Sizes used to characterize friction processes between textured surfaces, with or without lubricant [3,11,28]; -…”

“…The influence of the texturing on the adhesion between surfaces [2,14]; -Surface texturing inspired by nature [5,14,25]; -Numerical simulation of aspects corresponding to friction processes involving textured surfaces [3,4,25,27]; -…”