Title :
The study of structure and properties of Nb3Sn layers in multifilamentary superconductors manufactured by the internal tin method
Author :
Panzyrny, V.I. ; Shikov, A.K. ; Davydov, I.I. ; Belyakov, N.A. ; Nikulin, A.D. ; Potapenko, I.I. ; Parno, A.V. ; Zheleznyakov, V.D. ; Kruglov, V.S. ; Davlatyan, T.A. ; Novikov, S.I.
Author_Institution :
ASRIIM, Moscow, USSR
fDate :
3/1/1991 12:00:00 AM
Abstract :
The processes of diffusion interaction of niobium filaments and a copper matrix in conductors manufactured by the internal tin method were investigated. The aim was to determine the effect of heat treatment modes on the structure and properties of a Nb3Sn layer being formed in conductors with the centrally positioned Sn alloy. It was established that as a result of the doping of the matrix and filament materials, the overall critical current density (without taking into account the stabilizing copper) reaches into 5.12×104 A/cm2 in a 16-T field and 2.08×104 A/cm2 in a 18-T field
Keywords :
composite superconductors; critical current density (superconductivity); heat treatment; materials preparation; niobium alloys; tin alloys; type II superconductors; 16 to 18 T; Nb3Sn; Nb3Sn-Cu; diffusion interaction; doping; filament materials; heat treatment modes; internal tin method; multifilamentary superconductors; overall critical current density; Copper; Magnetic devices; Manufacturing; Multifilamentary superconductors; Niobium; Superconducting devices; Superconducting magnets; Superconducting materials; Superconductivity; Tin;
Journal_Title :
Magnetics, IEEE Transactions on
