Composite-processed V3Ga with improved current-carrying capacities in high magnetic fields
- 1 January 1979
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Magnetics
- Vol. 15 (1) , 391-394
- https://doi.org/10.1109/tmag.1979.1060188
Abstract
Effects of the simultaneous addition of gallium to the core and magnesium to the matrix on superconducting properties and structures of the composite-processed V3Ga have been studied. Single core composites with V-(0-6) at.%Ga alloy core and Cu-19at.%Ga-(0-0.8)at.%Mg alloy matrix were fabricated into tapes and heat treated. The simultaneous addition of gallium and magnesium significantly increases the Jcof V3Ga. Furthermore, the addition of gallium and that of magnesium increase Hc2(4.2K) by 1-2 T. The Jcof over 1 × 105A/cm2is achieved at 20 T even for thick V3Ga layers of 5-10 μm. The present result demonstrates the possibility of making a 20 T superconducting magnet with the stable multifilamentary type V3Ga conductor.Keywords
This publication has 8 references indexed in Scilit:
- Critical-current densities of bronze-processed Nb3(Sn1−xGax) wires up to 23.5 TJournal of Applied Physics, 1978
- A 17.5 Tesla superconducting concentric Nb3Sn and V3Ga magnet systemIEEE Transactions on Magnetics, 1977
- Microstructures and Critical Current Densities of Superconducting V3Ga Tapes Made by a Composite ProcessJournal of the Japan Institute of Metals and Materials, 1976
- Improved composite-processed V3Ga through partial substitution of aluminum for gallium in the matrixApplied Physics Letters, 1975
- Superconducting properties of V3Ga composite wiresIEEE Transactions on Magnetics, 1975
- Superconducting critical currents of small coils of multifilamentary V3Ga wire under pulsed current excitationApplied Physics Letters, 1975
- Current-carrying capacities of superconducting multifilamentary V3Ga cablesApplied Physics Letters, 1974
- An electron microscope investigation of the flux pinning centres in superconducting V3Ga tapesJournal of the Less Common Metals, 1969