Method for increasing the critical current density of high trans

Details Method for increasing the critical current density of high trans Method for increasing the critical current density of high trans

1993-09-17

1995-03-21

King, Roy V.

Superconductor technology: apparatus, material, process

Processes of producing or treating high temperature...

Process of making wire, tape, cable, coil, or fiber

505434, 505704, 505706, 427 62, 427125, 427191, B05D 302, B05D 512

Patent

active

053995473

ABSTRACT:
The present invention provides a methodology for increasing the critical current density carried by high transition temperature; superconductive materials. The methodology is employed using any Noble metal to form an electrically conductive coating; and is used with any high transition temperature superconductive material conventionally known. The resulting improved superconducting material demonstrates an enhanced critical current density capability in the order of 48%; and substantially decreases the degradation of the critical current density in the presence of an applied magnetic field; and offers a range of other advantages including environmental degradation protection, an increased mechanical strength, and an improved capability for adding electrical contacts.

REFERENCES:
patent: 5071826 (1991-12-01), Anderson et al.
Katz et al, "Low-Resistivity YBa.sub.2 Cu.sub.3 O.sub.7 -to-Silver Electrical Contacts by Plasma Spraying", J. Appl. Phys. 65(4)Feb. 1989, pp. 1792-1794.

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