Title: Tribological behaviour and internal stress of diamond coating deposited with a stationary d.c. plasma jet
Authors: Liu, Erjia ×
Blanpain, Bart
Celis, Jean-Pierre
Roos, Jozef
Alvarez-Verven, G.
Priem, Th. #
Issue Date: Apr-1996
Publisher: Elsevier Sequoia
Series Title: Surface & Coatings Technology vol:80 issue:3 pages:264-270
Abstract: A diamond coating was produced by a stationary d.c. plasma jet in a cofined circular area. Using scanning electron microscopy, optical microscopy, laser profilometry and Raman spectroscopy, it was found that the diamond coated area is inhomogeneous with respect to morphology, purity, thickness, and internal stress. Surrounding the diamond coated central area, an amorphous carbon rich area was identified. The morphologically distinct regions were evaluated separately in a fretting wear test against a corundum counterbody. The frictional behaviour was observed to be dependent on the morphology and structure of the coating and the diamond crystal size and orientation in the diamond coated area. No evidence of any fretting wear damage was found in the diamond coated area, whereas a lot of fretting induced scratches were observed in the amorphous carbon rich area. The presence of wear debris was clearly observed in the fretting contacts both inside and outside the diamond coated area.
ISSN: 0257-8972
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Chemical and Extractive Metallurgy Section (-)
× corresponding author
# (joint) last author

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