(Bi,Pb)SrCaCuO precursor material for the oxide powder in tube m

Details (Bi,Pb)SrCaCuO precursor material for the oxide powder in tube m (Bi,Pb)SrCaCuO precursor material for the oxide powder in tube m

1996-01-30

1997-09-23

Lieberman, Paul

Compositions: ceramic

Ceramic compositions

Refractory

501126, 505121, 505125, 505430, 252521, 423 87, C04B 3501, C04B 3545, H01B 1200

Patent

active

056704348

ABSTRACT:
Process for preparing a high-T.sub.c superconductor as a precursor material for the oxide-powder-in-tube method (OPIT). The present invention relates to a process for preparing a high-T.sub.c superconductor as a precursor material for the oxide-powder-in-tube method, which involves mixing the oxides of the elements Bi, Sr, Ca and Cu and completely melting them at temperatures of >1000.degree. C., then casting the melt onto a substrate which is kept at room temperature, and disintegrating the cooled melt block and grinding it into a powder.

REFERENCES:
patent: 5300486 (1994-04-01), Hults et al.

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