Title: The fretting behaviour of PVD TiN coatings in aqueous solutions
Authors: Wu, Pei-Qiang ×
Mohrbacher, Hardy
Celis, Jean-Pierre #
Issue Date: Dec-1996
Publisher: Elsevier science sa lausanne
Series Title: Wear vol:201 issue:1-2 pages:171-177
Abstract: The friction and wear of physical vapour deposition TiN coatings and steel vibrating against corundum in distilled water, seawater, and sodium phosphate solutions have been investigated. The coefficient of friction measured on the TiN-coated surface remained at a level of around 0.2 whereas the uncoated steel substrate exhibited a significantly higher friction. The TiN coating appeared to degrade by oxidational wear. The progress of the wear damage was largely influenced by the transfer layer of titanium oxides formed on the corundum counterbody. The narrow transfer layer formed in distilled water caused a premature perforation of the TiN coating due to the reduction of the real contact area. The results showed that this unfavourable wear behaviour can be avoided by adding sodium phosphate to distilled water resulting in an accelerated removal of the transfer layer.
ISSN: 0043-1648
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Chemical and Extractive Metallurgy Section (-)
Department of Materials Engineering - miscellaneous
× corresponding author
# (joint) last author

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