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Titolo:
A STUDY OF HIGH T-C SUPERCONDUCTING CERAMIC METAL ALLOY COMPOSITES/
Autore:
STEVENS MG; DU J; LEE RM; UNSWORTH J; HELY J; HODGES J;
Indirizzi:
UNIV TECHNOL SYDNEY,FAC SCI,DEPT MAT SCI SYDNEY NSW 2007 AUSTRALIA
Titolo Testata:
Materials research bulletin
fascicolo: 9, volume: 30, anno: 1995,
pagine: 1089 - 1096
SICI:
0025-5408(1995)30:9<1089:ASOHTS>2.0.ZU;2-Q
Fonte:
ISI
Lingua:
ENG
Keywords:
HIGH-T-C; SUPERCONDUCTOR; METAL ALLOY; COMPOSITES;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
7
Recensione:
Indirizzi per estratti:
Citazione:
M.G. Stevens et al., "A STUDY OF HIGH T-C SUPERCONDUCTING CERAMIC METAL ALLOY COMPOSITES/", Materials research bulletin, 30(9), 1995, pp. 1089-1096

Abstract

High-T-c superconducting ceramic YBa2Cu3O7-x/metal alloy composites were fabricated. The metal matrix was a low melting point alloy of bismuth, lead, tin, cadmium and indium. The structure, DC electrical resistivity, AC magnetic susceptibility, levitation and mechanical strengthof the composites were investigated. The influence of filler content on these properties was also studied. The composites behaved as a typical metal with the resistivity increasing with temperature increase and, further, did not undergo the characteristic superconducting transition to zero resistance that is obtained with the ceramic superconductor. On the other hand, the diamagnetic properties of the superconducting ceramic were preserved in the composites. The values of diamagnetic susceptibility and levitation force increase with the volume fraction of the superconducting material. The flexural strength of the composites is improved significantly in comparison with the ceramic superconductor.

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Documento generato il 11/08/20 alle ore 21:46:08