Effect of Binder on Wear Behavior of HVOF WC-Based Coatings

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This study aimed to understand the effect of a binder on the wear performance of HVOF WC-based coatings. Three kinds of commercial feedstock powders were studied, i.e. WC-12Co, WC-10Co4Cr and WC-10Ni. Characterization was conducted using SEM, micro Vickers hardness test and XRD. It was found the WC-10Co4Cr coating showed the highest hardness, while the WC-10Ni coating the lowest. The WC-10Co4Cr coating showed very good wear resistance as compared with the widely used WC-12Co coating.

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155-158

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March 2014

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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