Microstructure of Si3N4 whisker prepared from diatomaceous earth

Yukako Mizuhara, Masao Noguchi, Tatsumi Ishihara, Yusaku Takita, Toru Shiomitsu, Hiromichi Arai

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Silicon nitride whiskers were prepared by carbothermal reduction and nitridation of diatomaceous earth at temperature of 1350°C under the presence of nitrogen and ammonia. Scanning and transmission electron microscopy (SEM), electron probe micro-analysis (TEM) and X-ray diffraction were used to characterize the microstructure. SEM studies indicated that the whiskers were quite straight and hexagonal in cross-section. The whiskers were found to be highly crystalline, as determined by TEM analysis.

Original languageEnglish
Pages (from-to)111-116
Number of pages6
JournalJournal of the European Ceramic Society
Volume12
Issue number2
DOIs
Publication statusPublished - Jan 1 1993
Externally publishedYes

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Diatomaceous Earth
Earth (planet)
Transmission electron microscopy
Microstructure
Scanning electron microscopy
Crystal whiskers
Carbothermal reduction
Nitridation
Electron probe microanalysis
Silicon nitride
Ammonia
Nitrogen
Crystalline materials
X ray diffraction
silicon nitride
Temperature

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Materials Chemistry

Cite this

Microstructure of Si3N4 whisker prepared from diatomaceous earth. / Mizuhara, Yukako; Noguchi, Masao; Ishihara, Tatsumi; Takita, Yusaku; Shiomitsu, Toru; Arai, Hiromichi.

In: Journal of the European Ceramic Society, Vol. 12, No. 2, 01.01.1993, p. 111-116.

Research output: Contribution to journalArticle

Mizuhara, Yukako ; Noguchi, Masao ; Ishihara, Tatsumi ; Takita, Yusaku ; Shiomitsu, Toru ; Arai, Hiromichi. / Microstructure of Si3N4 whisker prepared from diatomaceous earth. In: Journal of the European Ceramic Society. 1993 ; Vol. 12, No. 2. pp. 111-116.
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