Fabrication of silicon nitride ceramics with electrical conductivity

Yoon Ho Kim, T. Sekino, H. Kawaoka, T. Kusunose, T. Nakayama, K. Niihara

研究成果: Conference contribution

抜粋

The electrical conductivity was provided to structural ceramics by controlling the grain boundary phase. We focused on the grain boundary phase of Si3N4 ceramics, which can be considered as an infinite network for conducting paths. In this study, we investigated the correlationship of the microstructure, mechanical properties, and electrical conductivity of Si3N4 ceramics with V2O5 based glasses. The Si3N4 ceramic with V2O5 based glasses were successfully fabricated by controlling the composition of grain boundary phase. Fabricated materials by a PECS method indicated a very fine microstructure. The mechanical properties of Si3N4 ceramics with V2O5 based glasses were not good compared to those of conventional Si3N4. However, the values for the SNVB and the SNVBA were four or six orders of magnitude higher at room temperature and had excellent mechanical properties compared to pure V 2O5 based glasses.

元の言語English
ホスト出版物のタイトルEco-Materials Processing and Design VI - Proceedings of the 6th International Symposium on Eco-Materials Processing and Design, ISEPD-6
出版者Trans Tech Publications Ltd
ページ501-505
ページ数5
ISBN(印刷物)0878499660, 9780878499663
DOI
出版物ステータスPublished - 2005
イベント6th International Symposium on Eco-Materials Processing and Design, ISEPD-6 - Jinju, Korea, Republic of
継続期間: 2005 1 162005 1 18

出版物シリーズ

名前Materials Science Forum
486-487
ISSN(印刷物)0255-5476
ISSN(電子版)1662-9752

Other

Other6th International Symposium on Eco-Materials Processing and Design, ISEPD-6
Korea, Republic of
Jinju
期間05/1/1605/1/18

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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  • これを引用

    Kim, Y. H., Sekino, T., Kawaoka, H., Kusunose, T., Nakayama, T., & Niihara, K. (2005). Fabrication of silicon nitride ceramics with electrical conductivity. : Eco-Materials Processing and Design VI - Proceedings of the 6th International Symposium on Eco-Materials Processing and Design, ISEPD-6 (pp. 501-505). (Materials Science Forum; 巻数 486-487). Trans Tech Publications Ltd. https://doi.org/10.4028/0-87849-966-0.501