書誌事項
- タイトル別名
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- Effect of Bimodal Distribution of Diamond Particle Size on Thermal Properties of Ag/Diamond Composite Fabricated by SPS
- SPS セイケイ シタ Ag/ダイヤモンド フクゴウ ザイリョウ ノ ネツ ブッセイ ニ オヨボス ダイヤモンド ノ バイモーダル ナ リュウド ブンプ ノ エイキョウ
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抄録
Diamond-particle-dispersed-silver (Ag) matrix composites were fabricated in solid-liquid co-existent state by Spark Plasma Sintering (SPS) process from the mixture of diamond powders, Ag powders and Si powders. As the diamond powders, two kind of powders, monomodal diamond powders of 310 µm in diameter and a bimodal diamond powder mixture of 310 µm and 34.8 µm in diameter, were used. The microstructures and thermal conductivities of the composites fabricated were examined. These composites were all well consolidated by heating at a temperature range between 1113 K and 1188 K for 0.45 ks during SPS process. No reaction at the interface between the diamond particle and the Ag matrix was observed by scanning electron microscopy for the composites fabricated under the sintering conditions employed in the present study. Although the relative packing density of the monomodal composite decreased from 97.4 % to 93.4 % with increasing diamond volume fraction between 50 % and 60 %, that of the bimodal composite was higher than 97 % in a diamond volume fraction range up to 65 %. The thermal conductivity of the bimodal composite was higher than that of the monomodal composite in a diamond volume fraction range between 55 % and 65 %. The coefficient of thermal expansion of the composites falls in the upper line of Kerner's model, indicating strong bonding between the diamond 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 60 (5), 195-201, 2013
一般社団法人 粉体粉末冶金協会
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詳細情報
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- CRID
- 1390001206309848320
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- NII論文ID
- 10031178147
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- NII書誌ID
- AN00222724
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- COI
- 1:CAS:528:DC%2BC3sXptFWqs7c%3D
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- ISSN
- 18809014
- 05328799
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- NDL書誌ID
- 024676634
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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