Composite materials
First Claim
1. A superconducting composite including bundles of longitudinally extending filaments,i. each bundle including longitudinally extending superconductor filamentsa. each filament being surrounded by and in good electrical contact with a matrix materialb. the matrix material comprising longitudinally extending cells of a metal of high electrical conductivity surrounded by a material of lower electrical conductivityc. the arrangement of the matrix material within the bundle being such that where at least two superconductor filaments are circumferentially circumscribed by a single annulus of the metal of high electrical conductivity, the annulus is electrically interrupted by a radially extending wall of the material of the lower electrical conductivityii. the bundles being surrounded by and in good electrical contact with a further matrix materiala. the further matrix material comprising longitudinally extending cells of a metal of high electrical conductivity surrounded by a material of lower electrical conductivityb. the arrangement of the further matrix material around the bundles being such that where at least two bundles are circumferentially circumscribed by a single annulus of the metal of high conductivity, the annulus is electrically interrupted by a radially extending wall of the material of the lower electrical conductivity.
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Abstract
A superconductor composite comprising at least one longitudinally extending superconductor filament or bundle of sub-filaments, each filament or bundle of sub-filaments being surrounded by and in good electrical contact with a matrix material, the matrix material comprising a plurality of longitudinally extending cells of a metal of high electrical conductivity surrounded by a material of lower electrical conductivity, the high electrical conductivity material surrounding the at least one superconducting filament or bundle of subfilaments being interrupted by a radially extending wall of the material of the lower electrical conductivity, the arrangement being such that where at least two superconductor filaments or sub-filaments are circumferentially circumscribed by a single annulus of the material of high electrical conductivity, the annulus is electrically interrupted by a radially extending wall of the material of low electrical conductivity.
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Citations
8 Claims
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1. A superconducting composite including bundles of longitudinally extending filaments,
i. each bundle including longitudinally extending superconductor filaments a. each filament being surrounded by and in good electrical contact with a matrix material b. the matrix material comprising longitudinally extending cells of a metal of high electrical conductivity surrounded by a material of lower electrical conductivity c. the arrangement of the matrix material within the bundle being such that where at least two superconductor filaments are circumferentially circumscribed by a single annulus of the metal of high electrical conductivity, the annulus is electrically interrupted by a radially extending wall of the material of the lower electrical conductivity ii. the bundles being surrounded by and in good electrical contact with a further matrix material a. the further matrix material comprising longitudinally extending cells of a metal of high electrical conductivity surrounded by a material of lower electrical conductivity b. the arrangement of the further matrix material around the bundles being such that where at least two bundles are circumferentially circumscribed by a single annulus of the metal of high conductivity, the annulus is electrically interrupted by a radially extending wall of the material of the lower electrical conductivity.
Specification