Preprint Article Version 1 This version is not peer-reviewed

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

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

A peer-reviewed article of this Preprint also exists.

Marko, M.D. Friction of Tungsten-Based Coatings of Steel under Sliding Contact. Lubricants 2019, 7, 14. Marko, M.D. Friction of Tungsten-Based Coatings of Steel under Sliding Contact. Lubricants 2019, 7, 14.

Journal reference: Lubricants 2019, 7, 14
DOI: 10.3390/lubricants7020014

Abstract

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.

Subject Areas

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

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