High hardness and ductile mosaic SiC/SiO2 composite by spark plasma sintering

Zhenhua He, Hirokazu Katsui, Rong Tu, Jianfeng Zhang, Takashi Goto

研究成果: Article査読

9 被引用数 (Scopus)

抄録

SiC powder was coated with SiO2 layer by chemical vapor deposition, and the SiC(core)/SiO2(shell) composite powder was consolidated to a SiC/SiO2 composite with a mosaic microstructure by spark plasma sintering (SPS) at 1923 K for 1.8 ks. The SiC(core)/SiO 2(shell) powder with a 80-100 nm thick SiO2 layer resulted in a SiC/SiO2 composite with a relative density of 97% and hardness and fracture toughness of 17.1 GPa and 8.4 MPa m1/2, respectively.

本文言語English
ページ(範囲)681-683
ページ数3
ジャーナルJournal of the American Ceramic Society
97
3
DOI
出版ステータスPublished - 2014 3

ASJC Scopus subject areas

  • Ceramics and Composites
  • Materials Chemistry

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