Process for production of A-15 type superconductor compound

Details Process for production of A-15 type superconductor compound Process for production of A-15 type superconductor compound

1985-12-11

1987-05-12

Bueker, Richard

Coating processes

Measuring, testing, or indicating

Thickness or uniformity of thickness determined

427 35, 427 531, 427 62, B05D 512

Patent

active

046649336

ABSTRACT:
An A-15 type superconductor compound having the composition A.sub.3 B composed of niobium (element A) and at least one element (B) selected from gallium, aluminum and germanium is produced by coating at least one element B on a substrate of niobium, heat-treating the coated niobium substrate at a temperature of 500.degree. to 2,000.degree. C. for 1 second to 300 hours to form intermetallic compounds of niobium and the coated element which are richer in element B than A-15 A.sub.3 B compound, and thereafter subjecting the substrate to the irradiation of high density energy beams such as electron beams or laser beams to form the A-15 type superconductor compound having the composition A.sub.3 B.

REFERENCES:
patent: 3392055 (1968-07-01), Martin
patent: 3661639 (1972-05-01), Caslaw
patent: 4009364 (1977-02-01), Ladstadter
patent: 4271347 (1981-06-01), Svenson

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