Reactive hot pressing of B4C-TiB2 composites

Filiz Cinar Sahin*, Alper S. Yesilcubuk

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Citation (Scopus)

Abstract

B4C/TiB2 ceramic composites containing 5-10-15 vol % TiB2 were prepared via reactive hot pressing of B4C, TiO2 and C powder mixture. Reactive hot pressing was carried out at 2000°C and 2100°C applying 50 MPa pressure under argon atmosphere for 1 hour. The effect of TiB2 amount of composite and sintering temperature on sintering behaviour and some mechanical properties of reactive hot pressed composites were investigated. Hot pressing at 2000°C for 1 h at 50 MPa under an argon gas atmosphere resulted in B4C-5 vol.% TiB2 composite having a bulk density of 99.6 % of the x-ray density. A B4C-5 vol.% TiB2 composite with the highest strength of 450 MPa could be obtained by hot pressing at 2000°C for 1 hour applying 50 MPa pressure under argon atmosphere. The fracture toughness of composite is found as 4.2 MPa. m1/2.

Original languageEnglish
Title of host publication11th International Conference and Exhibition of the European Ceramic Society 2009
Pages513-518
Number of pages6
Publication statusPublished - 2009
Event11th International Conference and Exhibition of the European Ceramic Society 2009 - Krakow, Poland
Duration: 21 Jun 200925 Jun 2009

Publication series

Name11th International Conference and Exhibition of the European Ceramic Society 2009
Volume1

Conference

Conference11th International Conference and Exhibition of the European Ceramic Society 2009
Country/TerritoryPoland
CityKrakow
Period21/06/0925/06/09

Keywords

  • BC-TiB
  • Reactive hot pressing.

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