Abstract
This paper describes a new composite coating technology developed for hot dip galvanizing rolls used in automotive manufacturing. The multilayer coating consists of HVOF sprayed WC and electroless Ni-P plating. Coating surfaces and cross-sections are examined and adhesion strength, friction, and wear resistance are measured. In addition, changes in surface roughness are recorded on galvanizing rolls after three months of service.
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2014
DVS Media GmbH
Issue Section:
Automotive Applications
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