Effect of strain and magnetic field on the critical current and electric resistance of the joints between HTS coated conductors

Konstantopoulou, Konstantina and Serazin, M. and Lloberas, J. and Granados, X. and Sanmarti, M. and Obradors, X. and Pastor Caño, Jose Ignacio (2013). Effect of strain and magnetic field on the critical current and electric resistance of the joints between HTS coated conductors. In: "Current Research in Large-Scale Applications of Superconductivity, IOP", 20/11/2013 - 20/11/2013, Institute of Physics, London, U.K..

Description

Title: Effect of strain and magnetic field on the critical current and electric resistance of the joints between HTS coated conductors
Author/s:
  • Konstantopoulou, Konstantina
  • Serazin, M.
  • Lloberas, J.
  • Granados, X.
  • Sanmarti, M.
  • Obradors, X.
  • Pastor Caño, Jose Ignacio
Item Type: Presentation at Congress or Conference (Poster)
Event Title: Current Research in Large-Scale Applications of Superconductivity, IOP
Event Dates: 20/11/2013 - 20/11/2013
Event Location: Institute of Physics, London, U.K.
Title of Book: Proceeding of IOP meeting on Current Research in Large-Scale Applications of Superconductivity, 20/11/2013 - 20/11/2013, Institute of Physics, London, U.K.
Date: 2013
Subjects:
Faculty: E.T.S.I. Caminos, Canales y Puertos (UPM)
Department: Ciencia de los Materiales
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

Engineering of devices and systems such as magnets, fault current limiters or cables, based on High Temperature Superconducting wires requires a deep characterization of the possible degradation of their properties by handling at room temperature as well as during the service life thus establishing the limits for building up functional devices and systems. In the present work we report our study regarding the mechanical behavior of spliced joints between commercial HTS coated conductors based on YBCO at room temperature and service temperature, 77 K. Tensile tests under axial stress and the evolution of the critical current and the electric resistance of the joints have been measured. The complete strain contour for the tape and the joint has been obtained by using Digital Image Correlation. Also, tensile tests under external magnetic field have been performed and the effect of the applied field on the critical current and the electric resistance of the joints has been studied. Finally, a preliminary numerical study by means of Finite Element Method (FEM) of the mechanical behavior of the joints between commercial HTS is presented.

More information

Item ID: 30064
DC Identifier: http://oa.upm.es/30064/
OAI Identifier: oai:oa.upm.es:30064
Official URL: http://physicsworld.com/cws/event/2013/nov/20/current-research-in-large-scale-applications-of-superconductivity
Deposited by: Memoria Investigacion
Deposited on: 22 Jul 2014 11:50
Last Modified: 22 Apr 2016 00:23
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