Development of Bi-2223/Ag tapes and coils

Bigoni, L.; Martini, L.; Varesi, E.; Zampiceni, E.; Zannella, S.; Baldini, A.; Conti, S.; Garrè, R.; Cartegni, G.; Tommaso, D. De; Rossi, L.

doi:10.1109/77.620938

Cited by 4 publications

(2 citation statements)

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“…Ten double pancakes, with inner electrical connections [4], have been fabricated by winding the tape on an insulating support realized in G-10. A 25 urn thick Kapton™ ribbon, wound together with the superconducting tape, has been used as insulating material among the turns for its suitable mechanical and dielectric properties.…”

Section: Coil Construction and Characterizationmentioning

confidence: 99%

“…In this paper we report on the design, the fabrication and characterisation of a coil able to product a field of 0.1 T at 77 K starting from (Bi 2 . x ,Pb x )Sr 2 Ca 2 Cu 3 O 10±5 /Ag tapes supplied by BICC Ltd. A solenoidal configuration with stacking double pancakes has been preferred [4]. Measurements of the superconducting properties of the tape have been performed in defining the coil design.…”

Section: Introductionmentioning

confidence: 99%

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Design, Construction and Characterization of Transport Current Properties of an HTS Coil

Bigoni

Barberis

Berti

et al. 2000

Int. J. Mod. Phys. B

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The objective of this work was the design, the realization and the characterization of a superconducting coil, capable of generating a peak magnetic field of 100 mT. The measured degradation due to magnetic field and mechanical strain of the electrical properties of Bi-2223/Ag tapes has been taken into account in optimising the design. The resulting configuration consisted in a 10 double-pancakes coil realised with about 300 m of Bi-2223/Ag tape. The real degradation of each double pancake has been investigated by measuring the DC characteristic and the AC losses. The stacking configuration was finally defined by the measured differences among the critical current of each double-pancake. To minimise the effect of the perpendicular magnetic field degradation on the electrical properties of the whole coil, the pancakes with higher I c were mounted at the top and at the bottom. The DC electrical properties as well as the AC losses of the elementary components and of the whole coil have been measured and the results are presented and discussed in this paper.

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Section: Coil Construction and Characterizationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%