Journal of Materials Science

, Volume 29, Issue 16, pp 4300–4305 | Cite as

Carbothermic reduction as a potential means for the direct production of Fe-WC and Fe-TaC, NbC metal-matrix composites

  • B. S. Terry
  • D. C. Azubike
  • A. Chryanthou


The carbothermic reduction of wolframite and columbite ores has been studied as a means of direct production of Fe-WC and Fe-TaC/NbC composite materials. In both cases reduction with graphite at 1600°C produces a good dispersion of carbides in an austenitic iron matrix. Gangue oxide materials appear to separate, largely as a slag phase. Some residual porosity has however been found in the product materials.


Oxide Iron Polymer Porosity Graphite 
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Copyright information

© Chapman & Hall 1994

Authors and Affiliations

  • B. S. Terry
    • 1
  • D. C. Azubike
    • 1
  • A. Chryanthou
    • 1
  1. 1.Department of MaterialsImperial CollegeLondonUK

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