Inorganic Materials

, Volume 52, Issue 7, pp 669–676 | Cite as

Effect of chemical modification conditions on the sintering behavior of TiC powders

  • E. I. IstominaEmail author
  • P. V. Istomin
  • A. V. Nadutkin
  • V. E. Grass


Dense ceramics have been produced from a chemically modified titanium carbide powder. Chemical modification was carried out by siliciding titanium carbide powder in a gaseous SiO atmosphere at 1350°C. This treatment produced a Ti3SiC2 layer (up to 19 wt %) on the surface of the TiC particles. Hot pressing at a temperature of 1600°C and pressures from 10 to 20 MPa ensured effective densification of the modified powders. The density of the resultant material reaches 4.8 g/cm3, with a residual porosity under 2%. Its bending strength and fracture toughness are 330 ± 50 MPa and 6.2 ± 0.6 MPa m1/2, respectively.


titanium carbide silicidation hot pressing ceramic materials 


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Copyright information

© Pleiades Publishing, Ltd. 2016

Authors and Affiliations

  • E. I. Istomina
    • 1
    Email author
  • P. V. Istomin
    • 1
  • A. V. Nadutkin
    • 1
  • V. E. Grass
    • 1
  1. 1.Institute of Chemistry, Komi Scientific Center, Ural BranchRussian Academy of SciencesSyktyvkar, Komi RepublicRussia

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