Method of the manufacture of a superconductor with a layer of th

Details Method of the manufacture of a superconductor with a layer of th Method of the manufacture of a superconductor with a layer of th

1974-10-31

1977-02-15

Lovell, C.

Metal treatment

Compositions

Heat treating

29599, 148127, 148133, 427 62, 427380, 427383D, 427436, C23C 100, C21D 100, C22F 118

Patent

active

040081028

ABSTRACT:
The invention concerns a method for the manufacture of a superconductor with a layer of the A-15 phase of the system Nb-Al-Si. According to the invention, a niobium carrier is provided with a layer about 0.5 to 5 .mu.m thick consisting of Nb.sub.3 (Al,Si), aluminum and silicon by placing it in an aluminum melt which contains up to 10 atomic percent of silicon and a small amount of niobium and is heated to 850.degree. to 1300.degree. C, and then the niobium carrier provided with this layer is annealed in an inert atmosphere for at least 0.5 seconds to form the layer of the A-15 phase.

REFERENCES:
patent: 3346467 (1967-10-01), Allen
patent: 3884683 (1975-05-01), Kawobe et al.
Zeitschrift Fuer Naturforschung 26(b) 1971, pp. 1035-1039.

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