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Direct observation of liquid-phase sintering in the system tungsten carbide-cobalt

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Abstract

The hot-stage of a scanning electron microscope has been used to observe liquid-phase sintering in the system tungsten carbide-cobalt. Densification behaviour and the mechanism for the first, fast stage of sintering have been determined; the influence of particle size and the amount of liquid phase has been investigated. In all samples the densification kinetics is that of a rearrangement process; direct observation confirmed this result.

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Authors and Affiliations

  1. Inorganic Materials Research Division, Lawrence Berkeley Laboratory and Department of Materials Science and Engineering, College of Engineering, University of California, Berkeley, California, USA

    Leonard Froschauer & Richard M. Fulrath

Authors
  1. Leonard Froschauer
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  2. Richard M. Fulrath
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Froschauer, L., Fulrath, R.M. Direct observation of liquid-phase sintering in the system tungsten carbide-cobalt. J Mater Sci 11, 142–149 (1976). https://doi.org/10.1007/BF00541086

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  • DOI: https://doi.org/10.1007/BF00541086

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