Dense SiC containing strongly aligned plate-like grains by magnetic treatment

S. H. Lee*, L. Feng, J. Yin, J. S. Lee, X. Zhu, T. S. Suzuki, Y. Sakka, H. Tanaka

*この研究の対応する著者

研究成果: Article査読

7 被引用数 (Scopus)

抄録

Dense SiC having strongly aligned plate-like grains was prepared by slip casting under strong magnetic field and subsequent densification using Al3BC3 additive. Irregular-shaped 6H-SiC powders in the green body were strongly aligned by the magnetic treatment. Subsequently, Al3BC3 additive induced the formation of aligned plate-like SiC grains during densification. The hardness of SiC could be tailored up to 11% by the strong alignment of the grains. Crack deflection was also strongly affected by the direction of the aligned plate-like grains. As a result, the length of the cracks which propagated parallel to the elongated grains was 18.6% shorter compared to that formed perpendicular to the grains.

本文言語English
ページ(範囲)5079-5084
ページ数6
ジャーナルCeramics International
41
3
DOI
出版ステータスPublished - 2015 4 1
外部発表はい

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • セラミックおよび複合材料
  • プロセス化学およびプロセス工学
  • 表面、皮膜および薄膜
  • 材料化学

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