Method for producing superconductors
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United States of America Patent
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-
Mar 30, 1982
Issued Date -
N/A
app pub date -
Nov 2, 1979
filing date -
May 2, 1977
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method for producing a V.sub.3 Al superconductor which comprises making a composite composed of a sheath portion of a copper alloy containing 1 to 15 atomic percent of germanium, 1 to 15 atomic percent of silicon or 2 to 25 atomic percent of gallium and surrounded by the sheath portion, at least one core portion of a vanadium-aluminum alloy containing 0.5 to 20 atomic percent of aluminum; elongating the composite; and then heat-treating the elongated composite thereby to form a V.sub.3 (Al, Ge), V.sub.3 (Al, Si) or V.sub.3 (Al, Ga) layer between the sheath portion and the core portion.
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