Texture development of surface-modified SiC prepared by EPD in a strong magnetic field

Tohru S. Suzuki*, Tetsuo Uchikoshi, Saki Sakakibara, Hiroyuki Muto, Atsunori Matsuda, Yoshio Sakka

*この研究の対応する著者

研究成果: Article査読

5 被引用数 (Scopus)

抄録

Silicon carbide is a very important material for various applications and its properties are expected to be improved by controlling the crystallographic orientation. It was difficult to simultaneously consolidate SiC powder and sintering additives by electrophoretic deposition (EPD) because of the different electrophoretic mobility. When using the alumina-coated SiC by the solgel method, it is possible to deposit SiC and sintering additives by EPD at the same time. In this study, we demonstrated that the c-axis alignment of SiC was controlled by EPD and a strong magnetic field, and we investigated the effect of the surface-modification on the microstructure and the degree of orientation. The dilute solution and the large number of repeated coating times prevent the oxide phase from precipitating at the multiple grain junctions and enhance grain growth. The grain growth promoted the degree of orientation in the textured SiC prepared by EPD in a strong magnetic field.

本文言語English
ページ(範囲)667-671
ページ数5
ジャーナルJournal of the Ceramic Society of Japan
119
1392
DOI
出版ステータスPublished - 2011 8月
外部発表はい

ASJC Scopus subject areas

  • セラミックおよび複合材料
  • 化学 (全般)
  • 凝縮系物理学
  • 材料化学

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