書誌事項
- タイトル別名
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- Bonding between carbon fiver/carbon composite and copper alloy.
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説明
In order to develop material for Divertor of Nucler Fusion Reactor, we investigated bonding method between C-C material (Carbon Fiber/Carbon composite) and three kinds of heat sink materials, the microstructure of the bonding layer, shearing strength, thermal shock resistance temperature and analysis of thermal stress.<BR>C-C material was manufactured with carbon fiber oriented in one direction. Thermal conductivity of C-C is 570 W/m·k along this orientation. For heat sink material, three kinds of material, Cu, Cr-Cu alloy and W-Cu alloy were used.<BR>Results are summarized below ;<BR>(1) As a brazing filler metal for bonding between C-C and copper alloy, ten kinds of brazing filler metals were investigated. As a result 2Ti-AgCu paste filler metal was selected. The brazing filler metal is excellent in wettability and as high shearing strength as a bonding layer.<BR>(2) Shearing strengths of the C-C/copper and copper alloy joints with 2Ti-AgCu paste brazing filler metal decrease in the order of C-C/Cu, C-C/Cr-Cu, C-C/W-Cu. Hardness of the bonding layer decrease in the order of C-C/W-Cu, C-C/Cr-Cu and C-C/Cu. Therefore, the shearing strength of the bonging layer increase with decreasing hardness.<BR>(3) By using a copperplate of 2-5 mm in thickness as a bonding layer between of C-C/Cr-Cu and C-C/W-Cu joints, shearing strength and thermal shock resistance temperature are improved to those of the C-C/Cu joint. Through thrmal stress analysis, the thermal stress relief of the copper plate was confirmed.
収録刊行物
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- 溶接学会論文集
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溶接学会論文集 14 (1), 39-46, 1996
一般社団法人 溶接学会
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詳細情報 詳細情報について
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- CRID
- 1390282679698602112
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- NII論文ID
- 130003764506
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- ISSN
- 24348252
- 02884771
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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
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- 抄録ライセンスフラグ
- 使用不可