Preparation of alumina ceramics with uniformly dispersed micropores

Tomoo Nagatome, Naoya Enomoto, Chii Shyang Hwang, Zenbe e. Nakagawa

研究成果: Contribution to journalArticle

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Submicron micropores were uniformly dispersed in an alumina ceramic matrix by using the volume shrinkage accompanied by the decomposition of aluminum titanate (AT) into corundum and rutile. The methodology for the fabrication of the pore-dispersed alumina includes (1) homogeneous mixing of 2-8 wt%TiO2 with alumina, (2) densification of AT-dispersed alumina, and (3) decomposition of AT into corundum and rutile with the formation of micropores. Such micropores are considered to release the residual thermal strain and to deflect cracks propagating in the alumina matrix.

元の言語英語
ページ(範囲)147-151
ページ数5
ジャーナルJournal of the Ceramic Society of Japan. International ed.
102
発行部数2
出版物ステータス出版済み - 2 1 1994

All Science Journal Classification (ASJC) codes

  • Engineering(all)

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  • これを引用

    Nagatome, T., Enomoto, N., Hwang, C. S., & Nakagawa, Z. E. (1994). Preparation of alumina ceramics with uniformly dispersed micropores. Journal of the Ceramic Society of Japan. International ed., 102(2), 147-151.