Texturing behavior in sintered reaction-bonded silicon nitride via strong magnetic field alignment

Xinwen Zhu, Tohru Suzuki, Tetsuo Uchikoshi, Yoshio Sakka

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

An attempt has been made to study the texture behavior in sintered reaction-bonded silicon nitride by strong magnetic field alignment, using slip casting of Si-powder without and with β-Si 3 N 4 particle addition. It is shown that the a, b-axis aligned texture, parallel to the magnetic field, develop in the resultant SRBSN with β-seed addition, whereas no texture develops in those SRBSN without β-seed addition. The degree of orientation of β-Si 3 N 4 is found to decrease with the formation of new β-phase during the nitridation, regardless of the nitriding conditions, suggesting that the initially oriented β-seed dose not promote the formation of newly oriented β-Si 3 N 4 . Compared to the nitridation, the degree of texture is enhanced by the post-sintering, but the nitridation condition has little effect on the texture development during the post-sintering. The present work implies that the texture development in SRBSN is governed by the initial orientation of β-Si 3 N 4 seed and the post-sintering.

Original languageEnglish
Pages (from-to)929-934
Number of pages6
JournalJournal of the European Ceramic Society
Volume28
Issue number5
DOIs
Publication statusPublished - 2008 Jan 22
Externally publishedYes

Fingerprint

Texturing
Silicon nitride
Textures
Magnetic fields
Nitridation
Seed
Sintering
Nitriding
Powders
silicon nitride
Casting

Keywords

  • Microstructure-final
  • Si N
  • Sintering
  • Slip casting
  • Texture

ASJC Scopus subject areas

  • Ceramics and Composites
  • Materials Chemistry

Cite this

Texturing behavior in sintered reaction-bonded silicon nitride via strong magnetic field alignment. / Zhu, Xinwen; Suzuki, Tohru; Uchikoshi, Tetsuo; Sakka, Yoshio.

In: Journal of the European Ceramic Society, Vol. 28, No. 5, 22.01.2008, p. 929-934.

Research output: Contribution to journalArticle

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