| Issue |
Matériaux & Techniques
Volume 84, Number 1-2, 1996
|
|
|---|---|---|
| Page(s) | 20 - 25 | |
| DOI | https://doi.org/10.1051/mattech/199684010020 | |
| Published online | 13 April 2017 | |
Revêtements minces déposés par pulvérisation cathodique pour applications tribologiques
Première partie : Revêtements anti-érosion
Sputter-deposited thin coatings for tribological applications
1 CEA, CENG, CEREM-DEM-SGSA, Laboratoire de Traitement de Surface, Grenoble
2 Turboméca, Bordes
Abstract
Tribological coatings of various thicknesses are required for protection of materials surface against hostile environment in a number of technologies. The major principles and basic mechanisms involved in surface protection against erosion wear and for lubrication of surfaces in moving contact are briefly reviewed.
Different classes of potential materials for erosion resistant and lubricant coatings are presented. The erosion resistance of multilayer W/W-C coatings of 60 µm thick deposited by sputtering is determined and compared to that of TiN coatings and titanium-based alloy substrates.
The friction properties (friction coefficient and wear rate) of a variety of sputter-deposited thin films, namely amorphous carbon, silver, calcium fluoride and Ag/CaFx multilayer structures investigated under various conditions are reported.
The tribological properties of sputter-deposited CaFx/Cr3C2 thin bilayer structures at 500°C and 700°C in air are compared to those of thick coatings of PS 212 composite material deposited by plasma spraying.
© SIRPE 1996
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