Comparative Analysis of Wear Rates of Microcrystalline Diamond and Diamond-Like Carbon Coatings Deposited on WС-Co Substrates

Maxim Yashin; Andrei Bogatov; Vitali Podgursky

doi:10.4028/www.scientific.net/KEM.721.436

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HomeKey Engineering MaterialsKey Engineering Materials Vol. 721Comparative Analysis of Wear Rates of...

Comparative Analysis of Wear Rates of Microcrystalline Diamond and Diamond-Like Carbon Coatings Deposited on WС-Co Substrates

Abstract:

The study investigates the wear of microcrystalline diamond (MCD) and diamond-like carbon (DLC) coatings. The MCD and DLC coatings were grown by plasma enhanced chemical vapor deposition (PECVD) method on WC-Co substrates. The sliding wear tests were performed on the ball-on-plate type of tribometer in reciprocating mode. The ball-cratering wear tests were carried out using Calo tester. The mechanical profilometer, optical and scanning electron microscopes (SEM) were used for investigation of the surface morphology of the wear scars. The wear of DLC coating is more intense in comparison to the MCD coating. In contrast to the MCD coating, no evidence of the DLC coating deflection was found.

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Periodical:

Key Engineering Materials (Volume 721)

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436-440

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.721.436

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Online since:

December 2016

Authors:

Maxim Yashin*, Andrei Bogatov, Vitali Podgursky

Keywords:

Diamond Coating Deformation, DLC, MCD, Tribology, Wear Rate

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