The present paper reports on the tribological analysis of high-performance magnetron sputtered metal-carbon multilayered
coating WC:H/Cr, in particular on the effect of the different process parameters on the final coating properties. A detailed
mechanical and tribological analysis in terms of hardness, elastic modulus, friction coefficient and wear coefficient for the
different coatings have been carried out and discussed. The mechanical test have indicated an overall good tribological
behaviour for all the deposited coatings. In particular, we have found that, when the deposition parameters are optimised, these
present very low abrasive wear. In these conditions, we report wear coefficients as low as 10 16 m3/N m, which can be attributed
to a combination of relative high hardness and very low roughness.
# 2004 Elsevier B.V. All rights reserved.
magnetron sputtering , Carbon , Tribology , AES , PVD