書誌事項
- タイトル別名
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- Melt-Growth Joining of Superconductive YBCO Crystals with YBCO/Ag Insert
- チョウデンドウ YBCO ケッショウ ノ YBCO Ag ニ ヨル ヨウユウ ギョウコ セツゴウ
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Melt/growth mechanism and interfacial reaction of YBCO superconductive oxide with molten Ag and YBCO/Ag composite were analyzed to clarify the best fabricating condition of YBCO crystals junction.<BR>The peritectic temperature of YBCO(liquid+Y2BaCuO5(Y211)→YBa2Cu3O7−x(Y123)) was lowered toward 1242(±2) K from 1280 K by the addition of Ag, and Y123 phase dissolved into liquid(containing Ag+)+Y211 phases above 1244 K. Therefore Ag and YBCO/Ag composites were used as the inserted low-melting point materials for Y123 crystals. The surface layer of YBCO crystal was melted due to Ag diffusion from inserted YBCO/Ag into the crystals. By cooling the joint under 1240 K, Y123 crystals developed from base YBCO and a superconductive joint was obtained.<BR>It was clarified that Ag diffuses from inserted YBCO/Ag composite into YBCO crystals mainly along Y123-Y211 boundaries.
収録刊行物
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- 日本金属学会誌
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日本金属学会誌 66 (5), 492-498, 2002
公益社団法人 日本金属学会
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詳細情報 詳細情報について
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- CRID
- 1390282681468776704
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- NII論文ID
- 130007342494
- 10008833136
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- NII書誌ID
- AN00187860
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- ISSN
- 18806880
- 24337501
- 00214876
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- NDL書誌ID
- 6179027
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- データソース種別
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- JaLC
- NDL
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