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Titolo:
Measurements of the thermal stresses in large-grain Y-Ba-Cu-O superconductors
Autore:
Miyamoto, T; Nagashima, K; Sakai, N; Murakami, M;
Indirizzi:
ISTEC, Superconduct Res Lab, Minato Ku, Tokyo 1050023, Japan ISTEC TokyoJapan 1050023 nduct Res Lab, Minato Ku, Tokyo 1050023, Japan
Titolo Testata:
PHYSICA C
fascicolo: 1-2, volume: 349, anno: 2001,
pagine: 69 - 74
SICI:
0921-4534(20010101)349:1-2<69:MOTTSI>2.0.ZU;2-S
Fonte:
ISI
Lingua:
ENG
Soggetto:
TRAPPED FIELD; MAGNETS;
Keywords:
thermal stress; anisotropy; strain gauge;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
9
Recensione:
Indirizzi per estratti:
Indirizzo: Miyamoto, T ISTEC, Superconduct Res Lab, Minato Ku, 1-16-25 Shibaura,1 Chome, Tokyo 1050023, Japan ISTEC 1-16-25 Shibaura,1 Chome Tokyo Japan 1050023 023, Japan
Citazione:
T. Miyamoto et al., "Measurements of the thermal stresses in large-grain Y-Ba-Cu-O superconductors", PHYSICA C, 349(1-2), 2001, pp. 69-74

Abstract

Large single grain Y-Ba-Cu-O superconductors have significant potential for various industrial applications. However, large-grain Y-Ba-Cu-O experiences large forces due to its relatively low thermal conductivity during thermal cycles. The thermal stress arises mainly due to a large anisotropy in thermal conductivity between ab and c axes. In this paper, we attempted to measure the thermal stresses of large-grain Y-Ba-Cu-O during the cooling process from room temperature to 100 K using the strain gauges that are directly mounted onto the sample surface. It was found that the tensile strain increased along the c axis on cooling, which should be taken into account whenhandling large-grain samples. (C) 2001 Elsevier Science B.V. All rights reserved.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 15/07/20 alle ore 04:25:29