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Mechanical properties of Al2O3 + ZrO2 + Nano-SiCp ceramic composites

  • L. Tian*
  • , Y. Zhou
  • , T. C. Lei
  • *Corresponding author for this work
  • Harbin Institute of Technology

Research output: Contribution to journalArticlepeer-review

Abstract

The mechanical properties of Al2O3 matrix composites reinforced by ZrO2(2 mol% Y2O3) and nanometre scale SiC dispersions have been investigated. It is shown that the Al2O3 matrix is simultaneously strengthened and toughened by both ZrO2(2 mol% Y2O3) and nano-SiC particles. The maximum flexural strength and fracture toughness of the composites are 945 MPa and 7.3 MPam1/2, respectively. The reinforcing effect of both t-m phase transformation of ZrO2 (2 mol% Y2O3) and nano-SiC particles appears to be synergetic.

Original languageEnglish
Pages (from-to)451-456
Number of pages6
JournalCeramics International
Volume22
Issue number6
DOIs
StatePublished - 1996
Externally publishedYes

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