Abstract
This study investigates the static friction properties of HVOF-sprayed Cr3C2-NiCr coatings. Measurements of the static coefficient of friction (CoF) of as-sprayed coatings show their potential for use in frictionally engaged joints. The form, orientation, and geometric characteristics of Cr3C2-NiCr friction surfaces are assessed as well and slipping curves are determined. The results show a standard deviation in the static CoF depending on nominal contact pressure, but it is not yet possible to establish a correlation with coating properties such as carbide grain size and geometrical parameters such as coating roughness.
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Copyright © 2013 ASM International. All rights reserved.
2013
ASM International
Issue Section:
Advanced Thermal Spray Coatings
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