Method for producing high temperature superconductor wires with high critical current and their application for making superconducting devices.

摘要

Method for producing a ductile superconductor having high critical current in the form of a wire produced by hot isostatic pressing and mechanical working in which the superconducting phase, for example Y1BaA2Cu3O7-x is incorporated in a ductilising silver/silver oxide matrix which stabilises the oxygen partial pressure and is encased in a ductile metal sheath, characterised in that the temperature treatment necessary for working is also carried out under high gas pressures (HIP), as a result of which the superconductor core of the wire material is compact and defect-free and the microcrystallites are aligned in the direction of their highest critical current in the wire axis.