Method for the manufacture of a tubular conductor suitable for s

Details Method for the manufacture of a tubular conductor suitable for s Method for the manufacture of a tubular conductor suitable for s

1974-02-26

1977-10-11

Combs, E. M.

Metal working

Method of mechanical manufacture

Electrical device making

72 47, H01L 3914, B21C 2324

Patent

active

040527840

ABSTRACT:
An improved method of manufacturing a tubular conductor which consist of a niobium layer and a copper layer, in which one side of a tube of electrolytic copper is plated with niobium by fusion electrolysis and the tube section thus produced, then drawn in several cold drawing passes to reduce the outside diameter and the wall thickness of the tube to form a longer tube, resulting in simplified production of seamless tubes, particularly useful in superconducting cables and having good mechanical, thermal and electrical contact between the niobium and copper layers.

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Graeme-Barber et al., Tubular Niobium/Copper Conductors for AC Superconductive Power Transmission, Cryogenics, vol. 12, No. 4, Aug. 1972, pp.317-318.

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