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Titolo:
Jointing of Bi-2223 sintered bulk using superconductor paste
Autore:
Haseyama, S; Fujinaka, N; Yoshizawa, S; Nakane, H;
Indirizzi:
Dowa Min Co Ltd, Superconduct Dev Ctr, Hachioji, Tokyo 1920001, Japan DowaMin Co Ltd Hachioji Tokyo Japan 1920001 chioji, Tokyo 1920001, Japan Kogakuin Univ, Dept Elect Engn, Tokyo 1638677, Japan Kogakuin Univ TokyoJapan 1638677 Dept Elect Engn, Tokyo 1638677, Japan Meisei Univ, Adv Mat R&D Ctr, Hino, Tokyo 1918506, Japan Meisei Univ HinoTokyo Japan 1918506 R&D Ctr, Hino, Tokyo 1918506, Japan
Titolo Testata:
PHYSICA C
fascicolo: 1-2, volume: 356, anno: 2001,
pagine: 23 - 30
SICI:
0921-4534(20010701)356:1-2<23:JOBSBU>2.0.ZU;2-4
Fonte:
ISI
Lingua:
ENG
Soggetto:
CONDUCTOR;
Keywords:
Bi-2223; paste material; magnetic shield; superconducting joint;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
18
Recensione:
Indirizzi per estratti:
Indirizzo: Haseyama, S Toshima Mfg Co Ltd, 1414 Shimonomoto, Higashimatuyama, Saitama3550036, Japan Toshima Mfg Co Ltd 1414 Shimonomoto Higashimatuyama SaitamaJapan 3550036
Citazione:
S. Haseyama et al., "Jointing of Bi-2223 sintered bulk using superconductor paste", PHYSICA C, 356(1-2), 2001, pp. 23-30

Abstract

In order to fabricate large sized superconductor bulk, small pieces of sintered bulks were jointed using superconductor paste prepared with mixture of calcined powder and organic vehicle. The superconductor paste was sprayedseveral times on the surface of the bulks. Four Bi-2223 bulks, 20 x 10 x 2mm(3), were stuck to 20 mm square plate and 4 mm thick. This sample was sintered at 840 degreesC for 50 h and then, intermediately subjected to CIP and sintered again. After three times of CIP and sintering, the superconducting properties of T-c = 104 K and J(c) = 7000 A/cm(2) were obtained for thesample, which were almost the same as those of the sintered bulks. The magnetic property was measured at 77 K. When a uniform magnetic field was applied perpendicular to the plate surface, two-dimensional distribution of themagnetic flux density over the sample surface was measured with a Hall probe in the direction perpendicular to the sample surface. The flux leak of density 2 mT was observed at the center of the jointed sample where an external magnetic field of 15 mT was applied. (C) 2001 Elsevier Science B.V. Allrights reserved.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 01/04/20 alle ore 17:36:23