Densification and grain growth during microwave sintering of titanium diboride

D. Demirskyi, J. Cheng, D. Agrawal, A. Ragulya

Research output: Contribution to journalArticle

36 Scopus citations

Abstract

Dense TiB2 ceramics have been produced by microwave sintering at 1600-1700 C under a controlled atmosphere. The effect of sintering conditions on the densification, microstructure and mechanical properties were investigated. Microwave sintering resulted in a uniform crack-free uniform microstructure; a density of 98.5%, a bending strength of 410 ± 15 MPa, a Young's modulus of 495 ± 10 GPa, an electrical resistivity of 1 × 10-5 Ω cm, a Vickers hardness of 24.5 ± 0.5 GPa and a fracture toughness of 5.42 ± 0.20 MPa m1/2 were obtained after sintering for 30 min at 1700 C.

Original languageEnglish (US)
Pages (from-to)610-613
Number of pages4
JournalScripta Materialia
Volume69
Issue number8
DOIs
StatePublished - Oct 1 2013

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys

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