Title :
An investigation of Nb-Ti-Ta alloys and properties of the superconductors based on ternary alloys
Author :
Vedernikov, G.P. ; Potanina, L.V. ; Korpusov, V.Yu. ; Drobishev, V.A. ; Zurabov, V.S. ; Zolotarjev, A.S. ; Nikulin, A.D. ; Kozlenkova, N.J. ; Novikov, S.I.
Author_Institution :
Bochvar (A.A.) All-Union Sci. Res. Inst. of Inorg. Mater., Moscow, Russia
fDate :
6/1/1997 12:00:00 AM
Abstract :
The vacuum arc melting technique was used to obtain the ingots of Nb-Ti-Ta alloys with 12.3 and 20.4 wt.% Ta. The microhomogeneity of the alloys was investigated by electron probe method and T/sub c/ of the alloys after homogenization was measured in comparison with that of the binary Nb-47.5wt%Ti alloy. Multifilamentary conductors with filament diameter /spl sim/60 /spl mu/m have been fabricated. The characteristics of the wires which have been produced by the regime with 4 intermediate heat treatments are presented.
Keywords :
electron probe analysis; heat treatment; materials preparation; multifilamentary superconductors; niobium alloys; superconducting transition temperature; tantalum alloys; titanium alloys; type II superconductors; Nb-Ti-Ta; electron probe analysis; heat treatment; homogenization; microhomogeneity; multifilamentary conductors; superconductors; transition temperature; vacuum arc melting; Billets; Capacitive sensors; Chromium alloys; Copper alloys; Heat treatment; Iron alloys; Nickel alloys; Niobium alloys; Superconductivity; Wires;
Journal_Title :
Applied Superconductivity, IEEE Transactions on
