Role of Vanadium Carbide Additive during Sintering of WC–Co: Mechanism of Grain Growth Inhibition |
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| Authors: | Hyoung R Lee Deug J Kim Nong M Hwang † Doh-Yeon Kim |
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| Affiliation: | Department of Materials Engineering, Sungkyunkwan University, Suwon, 440-746, Korea;Center for Microstructure Science of Materials and School of Material Science and Engineering, Seoul National University, Seoul 151-744, Korea |
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| Abstract: | In a WC–Co specimen, the shape of WC crystals was a triangular prism with truncated corners. When VC was added to inhibit grain growth, the crystal shape changed to a triangular prism without truncation. This shape change was related to the variation of edge energy, which has a significant influence on the coarsening process of WC grains. |
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| Keywords: | tungsten/tungsten compounds sinter/sintering grain growth |
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