Title :
Experimental results on Nb 25 wt.% Ta 45 wt.% Ti superconducting wire
Author :
Liu, H. ; Gregory, E. ; Rizzo, N.D. ; McCambridge, J.D. ; Ling, X.S. ; Prober, D.E.
Author_Institution :
IGC Adv. Superconductors Inc., Waterbury, CT, USA
fDate :
3/1/1993 12:00:00 AM
Abstract :
Several small billets with NbTi binary and Nb 25 wt.% Ta 45 wt.% Ti ternary alloy filaments were made and fabricated into fine wire after subjecting the alloys to different treatment conditions. J/sub c/ results at 4.2 K and 1.8 K from binary and ternary materials, which were prepared under the identical conditions, are compared. The results of an alpha -Ti precipitation study on the two alloys are also presented. The J/sub c/ results are compared with those from some earlier work on a Nb 15 wt.% Ta 44 wt.% Ti material.<>
Keywords :
composite superconductors; critical current density (superconductivity); niobium alloys; tantalum alloys; titanium alloys; type II superconductors; J/sub c/; Nb-Ta-Ti; alpha -Ti precipitation; fine wire; superconducting wire; ternary alloy filaments; Annealing; Billets; Conductors; Heat treatment; Magnetic materials; Niobium alloys; Niobium compounds; Superconducting filaments and wires; Titanium alloys; Titanium compounds;
Journal_Title :
Applied Superconductivity, IEEE Transactions on
