Vibratory calcination of inorganic oxide superconductor precurso

Details Vibratory calcination of inorganic oxide superconductor precurso Vibratory calcination of inorganic oxide superconductor precurso

1989-10-05

1991-03-05

Lieberman, Paul

Superconductor technology: apparatus, material, process

High temperature , per se

Having tc greater than or equal to 150 k

264 71, 423592, 423604, 423617, 432134, 501123, 501152, 505725, 505736, 505742, C01F 1104, C01G 302, F27B 914, H01L 3912

Patent

active

049978101

ABSTRACT:
An inorganic powder is vibrated while being calcined. The vibrations suspend the powder as in a conventional gas-fluidized system, without clumping, but without loss of fines. As applied to superconductor precursor powders, the treatment accelerates growth of the superconducting phase. The invention includes a novel furnace system for simultaneously heating and vibrating the powders.

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Bordia, "Sintering and Microstructure-Property Relations for YBa.sub.2 Cu.sub.3 O.sub.x ", Mat. Res. Soc. Symp. Proc., vol. 99, Nov./Dec. 1987, pp. 245-248.

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