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Synthesis and structural evolution of tungsten carbide prepared by ball milling

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Abstract

Tungsten carbide has been synthesized directly by ball-milling tungsten powder and activated carbon in vacuum. The structural development of the WC phase with milling times up to 310 h has been followed using X-ray, neutron diffraction and scanning electron microscopy. Subsequent annealing (at 1000 °C for 1 and 20 h) of material milled for 90 h or longer, results in samples comprising almost entirely crystalline WC. The production of WC itself during milling results in enhanced iron contamination from the steel mill and balls on extended milling which were monitored by energy-dispersive X-ray and Mossbauer spectroscopies.

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Authors and Affiliations

  1. School of Physics, University College, University of New South Wales, Australian Defence Force Academy, Canberra, ACT 2600, Australia

    G. M WANG

  2. Department of Materials Engineering, University of Wollongong, Wollongong, New South Wales, 2522, Australia

    A CALKA

  3. Department of Applied Mathematics, RSPhysSE, The Australian National University, Canberra, ACT0200, Australia

    W. A KACZMAREK

Authors
  1. G. M WANG
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  2. S. J CAMPBELL
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  3. A CALKA
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  4. W. A KACZMAREK
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WANG, G.M., CAMPBELL, S.J., CALKA, A. et al. Synthesis and structural evolution of tungsten carbide prepared by ball milling. Journal of Materials Science 32, 1461–1467 (1997). https://doi.org/10.1023/A:1018501916988

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