Stock material or miscellaneous articles – Static electricity metal bleed-off metallic stock – Special properties
Patent
1990-09-25
1992-03-24
Roy, Upendra
Stock material or miscellaneous articles
Static electricity metal bleed-off metallic stock
Special properties
29599, 148 115F, 148 115Q, 148133, 148 127B, 420901, H01L 3900, H01L 3924
Patent
active
050987984
ABSTRACT:
A method is disclosed for fabricating a wire from niobium tin produced in situ in a filamentous structure capable of achieving the superconducting state which comprises overlapping a tin alloy core comprised of tin-magnesium eutectic alloy with alternating layers of copper and foraminous layers followed by drawing the thus-formed niobium filaments into wire, then heating the wire at sufficiently high temperature to cause the eutectic alloy to homogeneously diffuse through the length of the copper wire and rods to react with the Nb, forming the A-15 crystal structure of Nb.sub.3 Sn, characterized by refined grain structure therein and improved current carrying capability.
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Wu et al., IEEE Trans. Magnetics 19 (1983) 1437.
Roy Upendra
Teledyne Industries Inc.
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