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

Konstantopoulou, Konstantina; Serazin, M.; Lloberas, J.; Granados, X.; Sanmarti, M.; Obradors, X. y Pastor Caño, Jose Ignacio (2014). Effect of strain and magnetic field on the critical current and electric resistance of the joints between HTS coated conductors. En: "11th European Conference on Applied Superconductivity (EUCAS 2013)", 15/09/2013 - 19/09/2013, Genova, Italy. pp..

Descripción

Título: Effect of strain and magnetic field on the critical current and electric resistance of the joints between HTS coated conductors
Autor/es:
  • Konstantopoulou, Konstantina
  • Serazin, M.
  • Lloberas, J.
  • Granados, X.
  • Sanmarti, M.
  • Obradors, X.
  • Pastor Caño, Jose Ignacio
Tipo de Documento: Ponencia en Congreso o Jornada (Póster)
Título del Evento: 11th European Conference on Applied Superconductivity (EUCAS 2013)
Fechas del Evento: 15/09/2013 - 19/09/2013
Lugar del Evento: Genova, Italy
Título del Libro: Proceeding of the 11th European Conference on Applied Superconductivity (EUCAS2013), 15–19 September 2013, Genoa, Italy
Título de Revista/Publicación: Journal of Physics: Conference Series (JPCS)
Fecha: Mayo 2014
Volumen: 507
Materias:
Escuela: E.T.S.I. Caminos, Canales y Puertos (UPM)
Departamento: Ciencia de los Materiales
Licencias Creative Commons: Reconocimiento - Sin obra derivada - No comercial

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Resumen

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 joints 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. Additionally, fatigue tests under constant cyclic stress and loading-unloading ramps have been carried out in order to evaluate the electromechanical behavior of the joints and the effect of maximum applied stress on the critical current. Finally, a preliminary numerical study by means of the Finite Element Method (FEM) of the electromechanical behavior of the joints between commercial HTS is presented.

Más información

ID de Registro: 30065
Identificador DC: http://oa.upm.es/30065/
Identificador OAI: oai:oa.upm.es:30065
URL Oficial: http://www.eucas2013.org/
Depositado por: Memoria Investigacion
Depositado el: 25 Jul 2014 08:03
Ultima Modificación: 22 Abr 2016 00:23
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