Wear and Friction of Tungsten-based Coatings of Steel under Sliding Contact

Matthew Marko

doi:10.20944/preprints201812.0004.v1

Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Version 1 : Received: 30 November 2018 / Approved: 2 December 2018 / Online: 2 December 2018 (10:42:14 CET)

An investigation was made to determine the effects of tungsten surface coating on the coefficient of friction of sliding contact between lubricated steel surfaces. The four-ball test was modified, using a tungsten carbide ball bearing in the spindle to cause sliding contact onto three hard steel ball bearings coated with tungsten disulfide lamellar dry lubricant coating, with a coating of grease lubrication applied to the ball bearings. The coatings, loads, speed, and grease level was varied to best understand the impact of different conditions to the friction coefficient.

lubrication; ball bearings; four-ball; tungsten carbide; grease; tungsten disulfide; coatings; surface treatment; friction

Chemistry and Materials Science, Surfaces, Coatings and Films

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Wear and Friction of Tungsten-based Coatings of Steel under Sliding Contact

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