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|Title:||Effect of Cu Content on the Tribological Performance of Cr-N Coatings at High Temperatures (840°C)|
|Authors:||POLYCHRONOPOULOU K.; REBHOLZ C.; DEMAS Nicholaos G.; POLYCARPOU A.; GIBSON Peter|
|Citation:||Proceedings of the ASME/STLE 2009 International Joint Tribology Conference - ISBN 978-0-7918-4895-1 vol. 1 p. 115-117|
|Publisher:||American Society of Mechanical Engineers (ASME)|
|Type:||Articles in periodicals and books|
|Abstract:||Cr-N and Cu-Cr-N coatings with Cu content between 3-65 at.%, Cu/Cr ratios in the 0.04-4.5 range and 21-27 at.% N, synthesized by twin e-beam Physical Vapor Deposition (EBPVD) at 450oC, were investigated. Using X-ray photoelectron spectroscopy (XPS), glancing angle X-ray diffraction (GAXRD) and scanning electron microscopy (SEM), in combination with nanoindentation mechanical property measurements and laboratory controlled ball-on-disc sliding experiments, it is shown that Cu-Cr-N coatings with low Cu content (3 at.%) possess sufficient wear resistance for high temperature demanding tribological applications.|
|JRC Institute:||Institute for Health and Consumer Protection|
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