Preparation and characterization of silver-sheathed Bi(2223) tapes

被引：0
|
作者：
Grasso, G [1 ]
Marti, F [1 ]
Huang, Y [1 ]
Flükiger, R [1 ]
Castellazzi, S [1 ]
Putti, M [1 ]
Ferdeghini, C [1 ]
Cimberle, MR [1 ]
Siri, AS [1 ]
Reimann, N [1 ]
Dutoit, B [1 ]
机构：
[1] Univ Geneva, DPMC, CH-1211 Geneva 4, Switzerland
来源：
HIGH TEMPERATURE SUPERCONDUCTORS: SYNTHESIS, PROCESSING, AND LARGE-SCALE APPLICATIONS | 1996年
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D O I：
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中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The optimization of the fabrication of mono- and multifilamentary Bi(2223) tapes has been carried out in order to improve their transport properties. A j(c) value of 34.5 kA/cm(2) at 77K has been achieved on 1 m. long monofilamentary tapes. Multifilamentary tapes have been prepared with up to 61 filaments; their j(c) values are in the range of 20-23 kA/cm(2), mainly depending on the filament number. The multifilamentary tapes have clearly shown a higher degree of texture of the Bi(2223) grains than the monofilamentary ones. Bi(2223) tapes have been also prepared with Ag-Mg sheath in order to improve their mechanical properties. The effect of the sheath material on thermal conductivity and AC losses has been also studied.
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页码：23 / 31
页数：9
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