Affiliation:
1. The University of Birmingham
2. University of Birmingham
3. Teer Coatings Ltd.
Abstract
Three types of nano-multilayer coatings, CrSiN, CrAlN and CrMoN, with different Si, Al
and Mo contents were deposited on M42 substrates using a closed field unbalanced magnetron sputter
ion plating (CFUMSIP) technique. Systematic characterization on the chemical composition,
microstructure, hardness and wear properties of these multilayer coatings has been investigated using
GDOES, low angle XRD, SEM, TEM, nanoindentation and wear tests. Experimental results revealed
that all these three types of Cr, XN ternary coatings (X=Al, Si and Mo) are nano-multilayer structured.
The CrAlN multilayer coatings showed the highest hardness and oxidation resistance among these
three multilayer coatings. The CrMoN multilayer coatings exhibited the lowest friction coefficient
although no appreciable improvements in wear resistance were observed as compared with the
optimized CrN coatings.
Publisher
Trans Tech Publications, Ltd.
Subject
Mechanical Engineering,Mechanics of Materials,General Materials Science
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