NDLI: Finite Element Analysis of Torsion Experiments on HTSC Tapes

Content Provider	IEEE Xplore Digital Library
Author	Weiss, K.-P. Goldacker, W. Nannini, M.
Copyright Year	2002
Abstract	During the past years the application of 2G HTSC material is growing. However, to achieve high currents single HTSC tapes must assembled in a Roebel-cable geometry. Going to even larger cable concepts like Rutherford cables, twisting of HTSC tapes is required. To examine the influence of twisting or torsion on critical current of Coated Conductor tapes or Roebel strands, systematic experiments were carried out giving results for critical twisting lengths. The results have to be examined considering the different strain states within the tape under torsion. On one hand longitudinal strain plays a role, but on the other hand shear strain has to be addressed also. To understand these results theoretical assessment of the stress strain situation within the tape under torsion was performed. Together with finite element analysis the effect of longitudinal and shear strain was systematically examined to give an understanding of the critical current behavior under torsion.
Sponsorship	Council on Superconductivity Appl. Superconductivity Conference Inc MIT
Starting Page	3102
Ending Page	3106
Page Count	5
File Size	681375
File Format	PDF
ISSN	10518223
Volume Number	21
Issue Number	3
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-06-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Stress Critical current Strain Finite element methods Conductors Superconducting films Yttrium barium copper oxide torsional stress Electromechanical effects finite element methods high-temperature superconductors
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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