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The microstructure of WC and WC-4.3 wt% Co sintered at high pressure

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Abstract

WC and WC-4.3 wt% Co were sintered at 1400° C under the condition of 5.8 GPa by using a modified belt-type high pressure apparatus. Their microstructures were observed with a transmission electron microscope, in order to clarify the structural features and sintering mechanisms of the materials. As a result, a stacking-fault vector and mobile dislocations during sintering were determined. Also, it is concluded that the sintering mechanisms of WC and WC-4.3 wt% Co are plastic deformation and solution precipitation through the liquid binder phase, respectively.

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Authors and Affiliations

  1. National Institute for Research in Inorganic Materials, 1-1 Namiki, Sakura-mura, Niiharigun, 305, Ibaraki, Japan

    Yusuke Moriyoshi, Minoru Akaishi & Osamu Fukunaga

Authors
  1. Yusuke Moriyoshi
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  2. Minoru Akaishi
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  3. Osamu Fukunaga
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Moriyoshi, Y., Akaishi, M. & Fukunaga, O. The microstructure of WC and WC-4.3 wt% Co sintered at high pressure. J Mater Sci 21, 4250–4256 (1986). https://doi.org/10.1007/BF01106538

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  • DOI: https://doi.org/10.1007/BF01106538

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