Sintering behavior, microstructure, and thermal conductivity of dense aln ceramics processed by spark plasma sintering with Y2O3-CaO-B additives

Ryota Kobayashi, Katsuyoshi Oh-Ishi, Rong Tu, Takashi Goto

研究成果: Article査読

12 被引用数 (Scopus)

抄録

We fabricated dense aluminum nitride ceramics by spark plasma sintering (SPS) with Y2O3-CaO-B sintering additives and evaluated their microstructures and thermal conductivities. Samples were perfectly densified after 5 min of SPS at 1650 or 1600 °C, or 10 min at 1550 °C and had fine microstructures. Thermal conductivities of the samples were 80-90 W m-1 K-1 and tended to increase with increasing sintering temperature.

本文言語English
ページ(範囲)1897-1901
ページ数5
ジャーナルCeramics International
41
1
DOI
出版ステータスPublished - 2015

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Process Chemistry and Technology
  • Surfaces, Coatings and Films
  • Materials Chemistry

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