Superplastic behavior of liquid-phase sintered β-SiC prepared with oxynitride glasses in an N2 atmosphere

Takayuki Nagano, Kenji Kaneko, Guo Dong Zhan, Mamoru Mitomo, Young Wook Kim

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

The superplastic behavior of liquid-phase sintered β-SiC with oxynitride glasses was compared in compression and tension tests at 1973-2048 K in an N2 atmosphere. Strain hardening was observed under all experimental conditions. Stress exponents in the compression tests of SiC with different additives were about 2 in the temperature ranging from 1973 to 2023 K. Amorphous phases were observed at the grain boundaries and at multi-grain junctions in the as-sintered materials. Superplastic behavior was greatly influenced by grain growth, vaporization of grain-boundary phase and formation of crystalline phase during tensile deformation.

Original languageEnglish
Pages (from-to)263-270
Number of pages8
JournalJournal of the European Ceramic Society
Volume22
Issue number2
DOIs
Publication statusPublished - Feb 1 2002
Externally publishedYes

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Grain boundaries
Compaction
Glass
Liquids
Grain growth
Vaporization
Strain hardening
Crystalline materials
Temperature

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Materials Chemistry

Cite this

Superplastic behavior of liquid-phase sintered β-SiC prepared with oxynitride glasses in an N2 atmosphere. / Nagano, Takayuki; Kaneko, Kenji; Zhan, Guo Dong; Mitomo, Mamoru; Kim, Young Wook.

In: Journal of the European Ceramic Society, Vol. 22, No. 2, 01.02.2002, p. 263-270.

Research output: Contribution to journalArticle

Nagano, Takayuki ; Kaneko, Kenji ; Zhan, Guo Dong ; Mitomo, Mamoru ; Kim, Young Wook. / Superplastic behavior of liquid-phase sintered β-SiC prepared with oxynitride glasses in an N2 atmosphere. In: Journal of the European Ceramic Society. 2002 ; Vol. 22, No. 2. pp. 263-270.
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