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Field-activated, pressure-assisted combustion synthesis of tungsten carbide–nickel composites

Authors
Journal
Materials Letters
0167-577X
Publisher
Elsevier
Publication Date
Volume
58
Identifiers
DOI: 10.1016/j.matlet.2004.05.010
Keywords
  • Composite Materials
  • Hardness
  • Microstructure
  • Combustion Synthesis
  • Field Activation
  • Nickel
  • Tungsten Carbide

Abstract

Abstract The field-activated, pressure-assisted combustion synthesis (FAPACS) process, which combines the simultaneous synthesis and densification of materials, was utilized to produce WC–10 wt.% Ni composites from reactant mixtures of W, Ni, and different carbon sources. The product composition, density, and microhardness of WC–Ni composites fabricated through the FAPACS process were investigated. The results show that the Vickers microhardness and toughness were 1287 kg/mm 2 and 7.8 MPa m 1/2 for the product made with activated carbon, and 1424 kg/mm 2 and 5.9 MPa m 1/2 with carbon black.

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