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Researches on obtaining performant carbon based coatings with enhanced wear and corrosion resistance

L. COSTINESCU1,* , C. COJOCARIU1, A. MARIN1, D. MUNTEANU1

Affiliation

  1. Department of Materials Science, “Transilvania” University, Brasov, 500036, Romania

Abstract

Diamond-like carbon (DLC) coatings feature excellent mechanical properties and chemical properties, such as high hardness, low friction coefficient, wear resistance and corrosion resistance. This paper discusses issues relating to the friction, corrosion resistance and mechanical behaviour, for different types of DLC coating systems deposited on heat treatable steel hardened and high-tempered (a multilayer of a-C:H:W; a-C:H:Cr, a single layer of a-C:H, a-C:H:Si. These films were synthesized using a single or a combined process consisting in either r. f. reactive magnetron sputtering or / followed by Plasma Assisted Chemical Vapour Deposition (PACVD). For corrosion characterization salt spray testing according to DIN 50 021-SS standard has been performed..

Keywords

Diamond-like Carbon (DLC), corrosion, Hardness, Adherence.

Submitted at: March 25, 2013
Accepted at: July 11, 2013

Citation

L. COSTINESCU, C. COJOCARIU, A. MARIN, D. MUNTEANU, Researches on obtaining performant carbon based coatings with enhanced wear and corrosion resistance, Journal of Optoelectronics and Advanced Materials Vol. 15, Iss. 7-8, pp. 791-796 (2013)