A study on the effect of surface topography on rough friction in roller contact

• Published in: Wear Vol. 254; no. 11; pp. 1162 - 1169
• Main Authors: Xiao, Li, Rosen, B.-G., Amini, Naser, Nilsson, Per H.
• Format: Journal Article Conference Proceeding
• Language: English
• Published: Lausanne Elsevier B.V 01.10.2003; Amsterdam Elsevier Science; New York, NY
• Subjects: Applied sciences; Bearings, bushings, rolling bearings; Drives; Exact sciences and technology; Friction; Friction, wear, lubrication; Gears; Machine components; Mechanical engineering. Machine design; Rolling; Roughness; Sliding mode control; Surface roughness; Surface Topography; TECHNOLOGY; TEKNIKVETENSKAP; Tribology; Wear of materials; Gears; Surface topography; Friction; Roughness; Lubricating oil; Rolling contact; Shot peening; Rough surface; Rolling wear; Steel; Experimental study; Rolling bearing; Surface treatment; Roller bearing; Sliding contact; Friction coefficient; Lubrication; Phosphating; Surface conditions; Gear tooth; Tribology
• ISSN: 0043-1648; 1873-2577; 1873-2577
• DOI: 10.1016/S0043-1648(03)00329-6

The friction behaviour of gear teeth in the context of tribology can have a strong effect on housing vibration, noise and efficiency. One of the parameters that greatly influences the friction under certain running conditions is surface roughness. In this work, rough friction was studied in lubricated sliding of roller surfaces, which were manufactured to simulate the real gear surfaces. By examining 3D surface topography of two mating bodies, both surface roughness and its effect on friction behaviour can be studied. In a previous study, a rough-friction test rig has been designed, constructed and initially verified. The types of surfaces involved in this study are ground, shot-peened, phosphated and electrochemically deburred. These rollers were subjected to the same friction testing procedures. Roller surfaces were then examined, and correlation between the topography and the frictional behaviour was analysed. Friction behaviour was interpreted in terms of Stribeck curves (friction coefficient as the function of Hersey parameter ( ην/p)). The results showed that electrochemically deburred and certain phosphated surfaces provide lower friction coefficient values which are competitive to fine-ground surfaces in lubricated rolling/sliding contact.