Alloy for HTSC composite conductors made of Au-Ag-Pd

Details Alloy for HTSC composite conductors made of Au-Ag-Pd Alloy for HTSC composite conductors made of Au-Ag-Pd

1992-11-04

1993-12-28

Ryan, Patrick J.

Superconductor technology: apparatus, material, process

High temperature , per se

Having tc greater than or equal to 150 k

505701, 505704, 428688, 428930, B32B 900

Patent

active

052739597

ABSTRACT:
An alloy having a low reactivity towards certain high temperature superconducting materials at temperatures up to about 10.degree. C. lower than the melting point of the alloy. The alloy is a ternary silver-based alloy consisting, by weight, of 0.5-9% palladium, 20-40% gold, balance silver. Using the alloy and a superconducting material of the type R-Ba-Cu-O, where R is yttrium or a rare earth element, composite conductors can be formed at temperatures equal or higher than the temperature of peritectic decomposition of the superconductor. The alloy may also be used as a buffer layer or cladding material on substrates having unacceptably high reactivity towards the superconducting material.

REFERENCES:
patent: 3845365 (1974-10-01), Hicks
patent: 5017553 (1991-05-01), Whitlon
patent: 5075285 (1991-12-01), Flukiger
patent: 5104849 (1992-04-01), Shiga
Doss, Engineers Guide to High Tc Superconductivity, 1989 pp. 105-108.
Lynch "Handbook of Materials Science" Oct. 10, 1990 CRC Press.
Jin, "High Tc Superconductors" Appl. Phys. Lett. 51(3), Jul. 20, 1987.

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