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Improvement of the Wear Resistance of Magnetic and Vitreous Substrates Coated with Thin Diamond Like Carbon Layers

Published online by Cambridge University Press:  28 February 2011

P.L. Meunier ,
F. Le Texier ,
J.M. Coutellier  and
J.M. Mackowski
P.L. Meunier
Affiliation:
Thomson-CSF\LCR, 91401 Orsay, France
F. Le Texier
Affiliation:
Thomson-CSF\LCR, 91401 Orsay, France
J.M. Coutellier
Affiliation:
Thomson-LCC, 92400 Courbevoie, France
J.M. Mackowski
Affiliation:
IN2P3, 69100 Villeurbanne, France
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Abstract

Results of wear tests on VTR carried out on magnetic and nonmagnetic dummies coated with a thin (20-30 nm) diamond-like carbon are reported.

The diamond-like carbon thin films have been obtained by two techniques : RF Plasma Deposition by decomposition of hydrocarbon and Dual Ion Beam Sputtering (DIBS). The first one is more suitable for vitreous materials such as S1O 2, Fotoceram, and magnetic material Sendust (FeSiAI) though DIBS technique turned out to be the proper candidate for polycrystallines Ferrite Substrates.

A multilayer : diamond-like Carbon\Sendust\A120 3TiC dummy (25nm\3 itm\Substrate) tested on VTR tapes at 5 ms-1 exhibited a 3000 h life time without significant wear.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 140: Symposium S – New Materials Approaches to Tribology: Theory and Applications , 1988 , 509
Copyright
Copyright © Materials Research Society 1989

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