Superconductor technology: apparatus – material – process – High temperature devices – systems – apparatus – com- ponents,... – Superconducting wire – tape – cable – or fiber – per se
Patent
1998-04-24
2000-03-14
Jenkins, Daniel J.
Superconductor technology: apparatus, material, process
High temperature devices, systems, apparatus, com- ponents,...
Superconducting wire, tape, cable, or fiber, per se
505124, 505125, 505236, 505704, 505777, 505778, 505422, 505433, 505434, 505823, 419 3, 419 10, 419 28, 419 48, 419 49, 419 57, 419 60, B22F 312, B32B 1504
Patent
active
060384611
ABSTRACT:
There are disclosed a high temperature superconductive material which can be plastically deformed, processed optionally into predetermined configurations and industrially mass produced and a method of manufacturing a formed body of the high temperature superconductive material. Mixed is a powder raw material which is mainly composed of: 10 to 50 mol % of at least one amide or nitride of alkali metal of Li, Na or K; 10 to 60 mol % of cyanide containing at least one metal selected from aluminum, copper, silver or gold; 5 to 50 mol % of at least one pure metal selected from aluminum, copper, silver or gold; and 10 mol % or less of at least one alkaline earth metal selected from Be, Mg, Ca, Sr or Ba. The powder raw material is pressed, and heated and sintered at the temperature of 673 K to 1553 K. In this manner, obtained is the plastically deformable high temperature superconductive material which can be optionally processed through forging, rolling and the like. Also, the obtained high temperature superconductive material has a critical temperature of 40 K to 80 K and a current density of 10000 A/cm.sup.2 or more.
REFERENCES:
patent: 4746373 (1988-05-01), Yamada et al.
Sakai Itsuko
Sakai Yoshifumi
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