Title :
Critical current of Y-Ba-Cu-O bulk current leads
Author :
Teshima, Hidekazu ; Morita, Mitsuru ; Hirano, Hosei
Author_Institution :
Adv. Technol. Res. Lab., Nippon Steel Corp., Chiba, Japan
fDate :
6/1/2004 12:00:00 AM
Abstract :
We have fabricated ten pieces of Y-Ba-Cu-O bulk current leads with a superconductor cross-sectional area 4 mm ×4 mm and investigated the transport properties in liquid nitrogen at an applied magnetic field of 0.5 T. All current leads could carry larger than 2500 A. Furthermore, we presented a transport model of this type of current leads for predicting the I-V characteristics and the critical current, and confirmed that the predicted behavior agrees well with the experimental results.
Keywords :
barium compounds; critical currents; high-temperature superconductors; magnetic fields; superconducting coils; superconducting magnets; yttrium compounds; 0.5 T; I-V characteristics; Y-Ba-Cu-O bulk current leads; YBaCuO; bulk superconductors; critical current; high-temperature superconductors; liquid nitrogen; magnetic field; superconducting coils; superconductor cross-sectional area; transport model; transport properties; Contact resistance; Critical current; Electric resistance; Electrodes; High temperature superconductors; Lead; Magnetic fields; Nitrogen; Superconducting magnets; Yttrium barium copper oxide; Bulk superconductors; Y-Ba-Cu-O; current leads;
Journal_Title :
Applied Superconductivity, IEEE Transactions on
DOI :
10.1109/TASC.2004.831090
