Fabrication and microstructure of electrically conductive AlN with high thermal conductivity

Takafumi Kusunose, Tohru Sekino, Koichi Niihara

研究成果: Conference contribution

抄録

The electrically conductive AlN with high thermal conductivity were successfully fabricated by sintering AlN with a composite additive of 1wt.% Y2O3 and 4wt.% CeO2 in carbon-reduced atmosphere at over 1600 °C. The sudden increase in electrical conductivity is thought to be caused by transition of grain boundary phase from rare-earth oxide to rare-earth oxycarbide. Their electrical conductivities and thermal conductivities increased with increasing sintering temperature. Additionally, sintering temperature influenced the resultant microstructures.

本文言語English
ホスト出版物のタイトルAdvanced Engineering Ceramics and Composites
出版社Trans Tech Publications Ltd
ページ57-60
ページ数4
ISBN(印刷版)9783037851814
DOI
出版ステータスPublished - 2011 1 1
外部発表はい

出版物シリーズ

名前Key Engineering Materials
484
ISSN(印刷版)1013-9826
ISSN(電子版)1662-9795

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

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