Superconducting power cable

Piece of super conducting cable made by powder in tube method,

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Piece of super conducting cable made by powder in tube method,
Science Museum Group
© The Board of Trustees of the Science Museum

Piece of super conducting cable made by powder in tube method, 1995-1996, by Pirelli Cables Ltd.

The superconducting material is a complex ceramic, a copper oxide containing bismuth, strontium and calcium. The wires are made by packing the powdered ceramic into tubes made of silver which are then extruded. Although it is the ceramic that carries the electrical current, you can only see the silver which surrounds it.

Details

Category:
Ceramics
Object Number:
1997-449/1
Materials:
silver (metal) and bismuth strontium calcium copper oxide
type:
cable sample