Effects of containing crucibles on microstructure of Si3N4

Jow Lay Huang, Li Mei Din, Horng Hwa Lu

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)

Abstract

The effects of the sample containing crucible composition on the microstructure of sintered Si3N4 have been studied. Crucibles made of graphite and boron nitride, which created different gas environments during sintering, were selected for comparison. Samples sintered in graphite crucibles had a higher density, higher aspect ratio, wider grain size distribution, and more large grains than samples sintered in BN crucibles. The type of crucible used exerted a direct influence on the sintering atmosphere, chemical composition, and viscosity of the grain boundary phase and also had substantial effects on the resulting microstructure and mechanical properties.

Original languageEnglish
Pages (from-to)75-78
Number of pages4
JournalBritish Ceramic Transactions
Volume95
Issue number2
Publication statusPublished - 1996 Dec 1

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites

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