Metal working – Method of mechanical manufacture – Electrical device making
Patent
1976-04-01
1977-08-30
Lanham, C.W.
Metal working
Method of mechanical manufacture
Electrical device making
29DIG11, H01V 1100
Patent
active
040444570
ABSTRACT:
An improvement in the method for preparing composite rods of superconducting alloy and normal metal from which multifilament composite superconducting wire is fabricated by bending longitudinally a strip of normal metal around a rod of superconductor alloy and welding the edges to form the composite rod. After the rods have preferably been provided with a hexagonal cross-sectional shape, a plurality of the rods are stacked into a normal metal extrusion can, sealed and worked to reduce the cross-sectional size and form multifilament wire. Diffusion barriers and high-electrical resistance barriers can easily be introduced into the wire by plating or otherwise coating the faces of the normal metal strip with appropriate materials.
REFERENCES:
patent: 3540114 (1970-11-01), Roberts et al.
patent: 3618205 (1971-11-01), Barber et al.
patent: 3710000 (1973-01-01), Shattes et al.
patent: 3925882 (1975-12-01), Sambrook
Reardon Paul J.
Remsbottom Robert H.
Strauss Bruce P.
Carlson Dean F.
Jackson Frank H.
Lanham C.W.
Rising V.
The United States of America as represented by the United States
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