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- 伊達 賢治
- 日立金属（株）安来工場冶金研究所
書誌事項
- タイトル別名
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- Open-Cell High-Porosity Porous Aluminum Material Sintered in the Magnesium Vapor
- マグネシウム ジョウキ チュウ デ ノ ショウケツ ニ ヨル オープンセル コウクウゲキリツ アルミニウム タコウシツタイ ノ セイゾウ ホウホウ ノ ケントウ
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説明
The effect of Mg vapor on Al sintering process has been investigated to manufacture open-cell high porosity porous Al material by Space Holder Method. It was found that Al-Mg oxide particles of 50-100 nm in size and exposed Al matrix were formed on the surface of Al sintered in Mg vapor. When the sintering temperature was higher than 915 K, droplets were formed below the melting point of Al, 933 K. It was supposed that Mg in sintering atmosphere could diffuse into Al powder surface and transform Al oxide film into Al-Mg oxide particles and exposed Al matrix by reduction, furthermore Mg diffusing into exposed Al matrix could lower the solidus and liquidus temperature of Al powder surface area and form liquid regions. These phenomena are effective for Al sintering process without forming excessive amounts of liquid. A temperature range of 905-910 K was suitable for sintering porous Al material in Mg vapor conditions of this work. Open-cell porous Al sheet with 88 % porosity and no inclusions in the neck boundary was obtained.
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 58 (8), 473-479, 2011
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
- 1390001206311091328
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- NII論文ID
- 10029617385
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- NII書誌ID
- AN00222724
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- COI
- 1:CAS:528:DC%2BC3MXht1Sks77I
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- ISSN
- 18809014
- 05328799
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- NDL書誌ID
- 11215779
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- 本文言語コード
- ja
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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
