Low temperature spark plasma sintering of Al2O3-TiC composites

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20 Scopus citations


Al2O3-TiC composites were fabricated using spark plasma sintering (SPS) technology between 1300 °C and 1500 °C. The composite densification process starts at 950 °C, with a maximum densification rate at 1170 °C. After thirty minutes soaking at 1400 °C, a relative density of 99.5% was achieved. Microstructure analysis reveals a submicron Al2O3 grain size and homogenous distribution of titanium carbide in the matrix. The fully dense Al2O3-20 wt% TiC composite exhibits high values of fracture toughness (8.3 MPa m 1/2), Young's modulus (406 GPa), flexural strength (850 MPa) and hardness (21 GPa).

Original languageEnglish
Pages (from-to)12187-12192
Number of pages6
JournalCeramics International
Issue number8 PART A
StatePublished - 1 Jan 2014


  • Aluminum oxide
  • Ceramic composite
  • Spark plasma sintering (SPS)
  • Titanium 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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