Process for producing molded bodies from precursors of oxidic hi

Details Process for producing molded bodies from precursors of oxidic hi Process for producing molded bodies from precursors of oxidic hi

1991-08-02

1993-10-05

Niebling, John

Superconductor technology: apparatus, material, process

High temperature , per se

Having tc greater than or equal to 150 k

20412975, 204130, 204146, 505728, 505739, C25F 302, C25F 500, H01B 1202

Patent

active

052505073

ABSTRACT:
In the process for producing molded bodies from precursors of oxidic high-temperature superconductors of the BSCCO type, a copper mold of the desired shape which encloses a solidified bismuth strontium calcium cuprate melt is wired as anode in a direct current circuit composed of anode, cathode and an electrolyte, a dilute sulfuric acid is used as electrolyte and the electrolyte is subjected to a direct current of 1 to 50 mA.cm.sup.-2 until the copper mold wired as anode is dissolved and the BSCCO molded body is laid bare.

REFERENCES:
patent: 3334029 (1967-08-01), Delafosse et al.
patent: 5047391 (1991-09-01), Bock et al.
patent: 5059581 (1991-10-01), Vasquez
patent: 5151407 (1992-09-01), Provenzaho et al.

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