NDLI: Angular Dependence of Critical Current in Coated Conductors at 4.2 K and Magnet Design

Content Provider	IEEE Xplore Digital Library
Author	Uglietti, D. Kitaguchi, H. Seyong Choi Kiyoshi, T.
Copyright Year	2002
Abstract	Coated conductor tapes are promising materials for the construction of high field inserts (> 20 T). In a magnet, the magnetic field at the coil ends is not parallel to the wide face of the tape, and the angle can reach values larger than 10 degrees. Coated conductors have very anisotropic transport properties, thus it is very important to measure the angular dependence of the critical current. The critical current of commercial YBCO coated conductors made by SuperPower has been measured at 12 T, 4.2 K as a function of the angle between the magnetic field and the wide face of the tape, with a precision of less than 0.2 degree. The experimental results have been used for designing insert coils for high field magnets: depending on the coil parameters and current, the high sensitivity to the magnetic field angle of YBCO tape can affect the performances of the coil.
Sponsorship	Council on Superconductivity Appl. Superconductivity Conference Inc MIT
Starting Page	2909
Ending Page	2912
Page Count	4
File Size	235981
File Format	PDF
ISSN	10518223
Volume Number	19
Issue Number	3
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-06-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Critical current Conductors Conducting materials Magnetic field measurement Coils Magnetic anisotropy Perpendicular magnetic anisotropy Magnetic materials Current measurement Yttrium barium copper oxide superconducting magnet Angular dependence critical current
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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