書誌事項
- タイトル別名
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- Phase Characterization and Thermal Conductivity of Carbon Alloys Obtained by Interface Reaction between C/C Composites and Pressed Molybdenum Silicide
- ケイカ モリブデン プレスタイ ト タンソ センイ タンソ フクゴウ ザイリョウ ノ アイダ ノ カイメン ハンノウ ニ ヨリ エラレタ カーボンアロイ ノ ソウ ドウテイ ト ネツ デンドウリツ
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The C/C composites made by laying up the sheets of carbon fibers using a pitch matrix were used as startingmaterials. After cutting the composites in the parallel (PA) and the perpendicular (PE) directions to the sheets ofcarbon fibers, the surface of PA and PE substrates obtained were reacted with MoSi2, at 1450°C in argon gas. From XRDmeasurements, the four phases of graphite, MoSi2, MoO3 and α-SiC were observed at the surface of the substrates treatingfor 3 and 6h, irrespective of the direction to carbon fiber sheets. A concentration gradient of SiC in the as-prepared substrates was observed in both directions parallel and perpendicular; the concentration of SiC decreases along the depthfrom the surface of substrate. In the results of line analysis by EDX measurements, it was found that the reaction betweenC/C substrates and MoSi2 occurred in the portion of matrix in the substrates. The thermal conductivity of PA substratesdecreased with the increase of the treating time and was lower than that of PA substrate without treatment. However, the thermal conductivity of the PE substrates treating for 6h was higher than that of the PA substrtes treating below3h and without treatment.
収録刊行物
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- 炭素
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炭素 1999 (190), 246-251, 1999
炭素材料学会
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詳細情報 詳細情報について
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- CRID
- 1390001204227757056
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- NII論文ID
- 10010837398
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- NII書誌ID
- AN00140335
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- ISSN
- 18845495
- 03715345
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- NDL書誌ID
- 4975746
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- データソース種別
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- JaLC
- NDL
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- 使用不可