Title :
Electrical characterization of ceramic insulation coatings for magnet technology
Author :
Celik, E. ; Mutlu, I.H. ; Okuyucu, H. ; Hascicek, Y.S.
Author_Institution :
national High Magnetic Field Lab., Tallahassee, FL, USA
fDate :
3/1/2001 12:00:00 AM
Abstract :
In this study, electrical characterization of ceramic insulation coatings were evaluated by resistive, capacitance, and high voltage breakdown techniques. The insulation coatings were produced on Ag or AgMg sheathed Bi-2212 tapes and CuNb3Sn wires by continuous, reel-to-reel sol-gel process. The coatings were then annealed at several temperatures and times. Dielectric constant and high voltage breakdown values for the insulation coatings were measured by using a capacitive technique and a high voltage breakdown-AC dielectric tester, respectively. The electrical properties of the coatings with dopant materials, number of dips, temperature and time of annealing process are presented
Keywords :
annealing; capacitance; ceramic insulation; electric breakdown; permittivity; superconducting magnets; zirconium compounds; Bi2Sr2CaCu2O; CuNb3Sn; ZrO2; annealing; capacitance; ceramic insulation coatings; dielectric constant; high voltage breakdown; magnet technology; sol-gel process; Annealing; Cable insulation; Capacitance; Ceramics; Coatings; Dielectric breakdown; Dielectrics and electrical insulation; Temperature; Tin; Wires;
Journal_Title :
Applied Superconductivity, IEEE Transactions on
