High specific heat superconducting composite

Details High specific heat superconducting composite High specific heat superconducting composite

1977-06-27

1979-10-16

Ball, Michael W.

Electricity: conductors and insulators

Conduits, cables or conductors

Conductor structure

29599, 148 115Q, 174128S, 428379, 428545, 428549, 428551, 428686, H01L 3900, H01V 1100

Patent

active

041714644

ABSTRACT:
A composite superconductor formed from a high specific heat ceramic such as gadolinium oxide or gadolinium-aluminum oxide and a conventional metal conductor such as copper or aluminum which are insolubly mixed together to provide adiabatic stability in a superconducting mode of operation. The addition of a few percent of insoluble gadolinium-aluminum oxide powder or gadolinium oxide powder to copper, increases the measured specific heat of the composite by one to two orders of magnitude below the 5.degree. K. level while maintaining the high thermal and electrical conductivity of the conventional metal conductor.

REFERENCES:
patent: 3428925 (1969-02-01), Bogner et al.
patent: 3514850 (1970-06-01), Barber et al.
patent: 3767842 (1973-10-01), Bronca et al.
patent: 3778895 (1973-12-01), Nomura et al.
patent: 3910802 (1975-10-01), Wong
patent: 3963425 (1976-06-01), Sambrook
patent: 3982906 (1976-09-01), Hirai et al.
patent: 4002504 (1977-01-01), Howe
Rosenblum et al., "High Specific Heat Metals for Use in Superconducting Composites," IEEE Transactions on Magnetics, vol. Mag 13, p. 834, Jan. 1977.

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