Resintering Behavior of Alumina Compact on the Route of Controlled Fracture Forming.
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- Du Wen-bo
- Department of Metallurgy, University of Tokyo
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- Tatsuzawa Kiyohiko
- Department of Metallurgy, University of Tokyo
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- Aizawa Tatsuhiko
- Department of Metallurgy, University of Tokyo
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- Kihara Junji
- School of Humanity for Environment Policy and Technology, Himeji Institute of Technology
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The resintering behavior of swaged Al2O3 up to 98% reduction in area was investigated to discuss the intense coldworking effect in the green state. The relative density of resintered Al2O3 could be improved to be close to 99% theoretical density at 1573 K for 1 h, and negligibly small grain growth was observed when the relative density became less than 97.5%. Grain boundary diffusion was considered to be a dominant mechanism for resintering the swaged Al2O3 by calculating the activation energy.<BR>The negligibly small grain growth was attributed to the homogeneous microstructure in the green state attained by the controlled fracture forming.
収録刊行物
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- 粉体および粉末冶金
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粉体および粉末冶金 46 (2), 125-130, 1999
一般社団法人 粉体粉末冶金協会
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詳細情報 詳細情報について
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- CRID
- 1390001206308673664
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- NII論文ID
- 10002261773
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- NII書誌ID
- AN00222724
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- ISSN
- 18809014
- 05328799
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- NDL書誌ID
- 4655488
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可