Processing of Boron Carbide‐Aluminum Composites

Danny C. Halverson, Aleksander J. Pyzik, Ilhan A. Aksay, William E. Snowden

Research output: Contribution to journalArticlepeer-review

210 Scopus citations


The processing problems associated with boron carbide and the limitations of its mechanical properties can be significantly reduced when a metal phase (e.g., aluminum) is added. Lower densification temperatures and higher fracture toughness will result. Based on fundamental capillarity ther modynamics, reaction thermodynamics, and densification kinetics, we have established reliable criteria for fabricating B4C–Al particulate composites. Because chemical reactions cannot be eliminated, it is necessary to process B4C–AI by rapidly heating to near 1200°C (to ensure wetting) and subsequently heat‐treating below 1200°C (for microstructural development).

Original languageEnglish (US)
Pages (from-to)775-780
Number of pages6
JournalJournal of the American Ceramic Society
Issue number5
StatePublished - May 1989

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Materials Chemistry


  • aluminum
  • boron carbide
  • cermets
  • composites
  • processing


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