Spark plasma sintering of agglomerated vanadium carbide powder

Wei Li, Eugene A. Olevsky, Oleg L. Khasanov, Christina A. Back, Oleg Izhvanov, Jonas Opperman, Hesham E. Khalifa

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)

Abstract

Spark plasma sintering (SPS) is an emerging powder consolidating technique which promises high potential capabilities to process refractory ceramics with properties previously unattainable. As the first step in studying the applicability of this technique to the processing of tailored ceramic structures, the validity of SPS to consolidate refractory carbides with controllable porosity is investigated. Vanadium carbide (V8C7) is chosen as a studied material. The structure, thermal and mechanical properties of the V8C7 powder pellets produced by SPS are analyzed and discussed in the paper. The attained properties of the processed ceramic material are in particular suitable for applications where high electrical conductivity and strength at high melting temperatures, low thermal conductivity and low thermal expansion coefficient are needed.

Original languageEnglish
Pages (from-to)3748-3759
Number of pages12
JournalCeramics International
Volume41
Issue number3
DOIs
Publication statusPublished - 1 Jan 2015

Keywords

  • Spark plasma sintering
  • Thermal and mechanical properties
  • Vanadium carbide

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Process Chemistry and Technology
  • Surfaces, Coatings and Films
  • Materials Chemistry

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