Intergranular glassy phase free SiC ceramics retains strength at 1500 °C

Heon Jin Choi, Young Wook Kim, Mamoru Mitomo, Toshiyuki Nishimura, Je Hun Lee, Doh Yeon Kim

Research output: Contribution to journalArticlepeer-review

36 Citations (Scopus)


We report SiC ceramics sintered with AlN and Sc2O3 (or Lu2O3) that retain room temperature strength to 1500 °C. The intergranular glassy phase has not been observed in the ceramics due to a designed-sintering additive and, thus, the unsatisfactory effect of glassy phases on the high temperature strength is eliminated.

Original languageEnglish
Pages (from-to)1203-1207
Number of pages5
JournalScripta Materialia
Issue number9
Publication statusPublished - 2004 May

Bibliographical note

Funding Information:
Kim YW acknowledges support of this work by the Korea Science and Engineering Foundation (KOSEF) under Grant No. R01-2001-00255. Choi HJ acknowledges partial support of this work by the National Program for Nanostructured Materials Technology of the Korea Ministry of Science and Technology as one of the 21st Century Frontier Programs.

All Science Journal Classification (ASJC) codes

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


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