NDLI: Effect of strain on grain and grain-boundary critical currents of YBCO coated conductors

Content Provider	IEEE Xplore Digital Library
Author	Palau, A. Puig, T. Obradors, X. Feenstra, R. Freyhardt, H.C.
Copyright Year	2002
Abstract	We present a comparative analysis on tensile strain tolerance of critical currents for IBAD and RABiTS coated conductors. These measurements have been performed with a recently developed methodology based on dc-magnetization measurements, which enables us to analyze the grain and grain-boundary critical current densities simultaneously. We show that the percolative grain-boundary critical current density may be reduced by 50% with deformations of /spl epsiv//spl sim/0.32% and 1% for RABiTS and IBAD, respectively, while the grain critical current and thus the pinning properties of the grains are not affected by the deformation process.
Sponsorship	Council on Superconductivity Appl. Superconductivity Conference Inc MIT
Starting Page	2790
Ending Page	2793
Page Count	4
File Size	503191
File Format	PDF
ISSN	10518223
Volume Number	15
Issue Number	2
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-06-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Capacitive sensors Critical current Yttrium barium copper oxide Conductors Density measurement Current measurement Critical current density Tensile strain Performance evaluation Performance analysis strain tolerance Coated conductor critical current deformation process
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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Critical Current Degradation Behavior in YBCO Coated Conductors Under Torsional Strain

Strain Analysis of $I_{c}(varepsilon)$ Characteristic of YBCO Coated Conductor Measured by a Walters Spring

AC Transport Current Loss Characteristics of YBCO Coated Conductors Subjected to Bending Strains

AC Loss Characteristics of Copper-Stabilized YBCO Coated Conductor

Characteristics of Compressive Strain and Superconducting Property in YBCO Coated Conductor

Degradation Due to Bending Fatigue Strain in YBCO Coated Conductors

Magnetic-field dependence of the reversible axial-strain effect in Y-Ba-Cu-O coated conductors

Internal Strain and Mechanical Properties at Low Temperatures of Surround Cu Stabilized YBCO Coated Conductor

Influence of Repeated Tensile Stresses on Current Transfer Characteristics of YBCO Coated Conductors With Solder Joints

Effect of strain on grain and grain-boundary critical currents of YBCO coated conductors

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