Alternating field losses in Nb/sub 3/Sn multifilamentary superconductor
Conference
·
· IEEE Trans. Magn.; (United States)
OSTI ID:7359992
Transverse alternating field losses at 4.2K have been measured from 0.5 Hz to 10 kHz in a Nb/sub 3/Sn multifilamentary superconductor in bias fields to 5 Tesla. The 0.020 inch diameter sample was prepared by heat treating a Cu, Nb-1 wt percent Zr, CuSn composite at 700/sup 0/C for 20 hours to form Nb/sub 3/Sn on the inside surface of the annular filaments. Metallurgical studies have been made to determine the Sn distribution and to estimate the thickness of the Nb/sub 3/Sn layer. The I/sub c/-H curve and resistive and inductive transition curves are presented. The losses are analyzed with respect to the present loss theories using the conductor characteristics measured and excellent agreement between experiment and theory is achieved. 1 table, 6 figures. (auth)
- Research Organization:
- Westinghouse Research Labs., Pittsburgh
- NSA Number:
- NSA-33-18751
- OSTI ID:
- 7359992
- Conference Information:
- Journal Name: IEEE Trans. Magn.; (United States) Journal Volume: MAG-11:2
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360102 -- Metals & Alloys-- Structure & Phase Studies
656101* -- Solid State Physics-- Superconductivity-- General Theory-- (-1987)
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
AC LOSSES
ALLOYS
COMPOSITE MATERIALS
CURRENTS
EDDY CURRENTS
ELECTRIC CURRENTS
HYSTERESIS
MAGNETIC FIELDS
NIOBIUM ALLOYS
SUPERCONDUCTING COMPOSITES
TIN ALLOYS
360102 -- Metals & Alloys-- Structure & Phase Studies
656101* -- Solid State Physics-- Superconductivity-- General Theory-- (-1987)
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
AC LOSSES
ALLOYS
COMPOSITE MATERIALS
CURRENTS
EDDY CURRENTS
ELECTRIC CURRENTS
HYSTERESIS
MAGNETIC FIELDS
NIOBIUM ALLOYS
SUPERCONDUCTING COMPOSITES
TIN ALLOYS