書誌事項
- タイトル別名
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- Thermal Properties of Al/AlN Composites Fabricated in Continuous Solid-Liquid Co-Existent State by SPS
- 持続型固-液共存状態を利用してSPS成形したAl/AlN複合材料の熱物性
- ジゾクガタコ エキ キョウソン ジョウタイ オ リヨウ シテ SPS セイケイ シタ Al AlN フクゴウ ザイリョウ ノ ネツ ブッセイ
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Aluminum nitride (AlN)-particle-dispersed-aluminum (Al) matrix composites were fabricated by Spark Plasma Sintering (SPS) process from the mixture of AlN powders, Al powders and Al-5mass%Si powders. The microstructures, thermal conductivities and thermal expansions of the composites fabricated were examined. These composites were all well consolidated by heating at a temperature range between 798 K and 876 K for 1.56 ks during SPS process. No reaction at the interface between the AlN particle and the Al matrix was observed by scanning electron microscopy for the composites fabricated under the sintering conditions employed in the present study. The relative packing density of the Al/AlN composite fabricated was almost 100 % in a volume fraction range of AlN between 40 % and 60 %. Thermal conductivity of the Al/AlN composite was higher than 180 W/mK at the AlN fraction range between 40 and 65 vol.%, approximately 90 % the theoretical thermal conductivity estimated using Maxwell-Eucken's equation. The coefficient of thermal expansion of the composites falls in the upper line of Kerner's model, indicating strong bonding between the AlN particle and the Al matrix in the composite.
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 (3), 155-159, 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
- 1390001206310466816
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- NII論文ID
- 10028125078
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- NII書誌ID
- AN00222724
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- COI
- 1:CAS:528:DC%2BC3MXktFeqt7c%3D
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- ISSN
- 18809014
- 05328799
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- NDL書誌ID
- 11053062
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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
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- 抄録ライセンスフラグ
- 使用不可