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Synthesis and processing of nanostructured WC-Co materials

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Abstract

In this study a novel approach, termed the integrated mechanical and thermal activation (IMTA) process, was used to synthesize nanostructured WC-Co powder. As a result of the integration of mechanical and thermal activation, nanostructured WC-Co powder was synthesized below 1000°C, starting from WO3, CoO and graphite powder mixtures. Furthermore, consolidation of the nanostructured WC-Co powder via high velocity oxy-fuel (HVOF) thermal spraying and solid state sintering was investigated. The results demonstrated the feasibility of converting the nanostructured WC-Co powder to coatings and bulk components, the properties of which are either comparable to or better than that of the conventional coarse-grained counterparts.

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Authors and Affiliations

  1. Department of Metallurgy and Materials Engineering, Institute of Materials Science, University of Connecticut, Storrs, CT, 06269, USA

    Z.-G. Ban & L. L. Shaw

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  1. Z.-G. Ban
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  2. L. L. Shaw
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Ban, ZG., Shaw, L.L. Synthesis and processing of nanostructured WC-Co materials. Journal of Materials Science 37, 3397–3403 (2002). https://doi.org/10.1023/A:1016553426227

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