Method for the preparation of brittle superconducting material i

Details Method for the preparation of brittle superconducting material i Method for the preparation of brittle superconducting material i

1982-10-22

1983-12-06

Stallard, W.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 05BB, 148 115P, 1481261, 29599, H01L 3912

Patent

active

044191251

ABSTRACT:
This is a method for preparing submicron-superconducting particles for use in forming a ductile superconductor wire from brittle superconducting compounds. The method utilizes preparing a mixture of solid metal halides containing essentially stoichiometric proportions of metallic components for the desired superconducting compound, co-reducing the mixture with an excess of liquid alkali metal, removing the alkali metal halide produced and the excess alkali metal from the superconducting powder, and annealing the superconducting powder to substantially remove absorbed hydrogen as indicated by the reduction of lattice parameters to essentially nominal values.

REFERENCES:
patent: 4050147 (1977-09-01), Winter et al.
patent: 4149876 (1979-04-01), Rerat
patent: 4231790 (1980-11-01), Hahn et al.

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