A Public Database of High-Temperature Superconductor Critical Current Data

One of the major impediments to the industrial take-up of high-temperature superconductors is the paucity of comprehensive, reliable and relevant performance data on commercially available wires. To address this, the Robinson Research Institute is making available its internal database of wire perfo...

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Bibliographic Details
Published in:IEEE transactions on applied superconductivity 2017-06, Vol.27 (4), p.1-5
Main Authors: Wimbush, Stuart C., Strickland, Nicholas M.
Format: Article
Language:English
Subjects:
Critical current (superconductivity)
Critical current density (superconductivity)
Critical currents
Current measurement
Data acquisition
Data base management systems
Downloading
flux pinning
High temperature superconductors
high-temperature superconductors (HTS)
superconducting device engineering
Superconductors
Temperature dependence
Temperature measurement
Wires
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Summary:One of the major impediments to the industrial take-up of high-temperature superconductors is the paucity of comprehensive, reliable and relevant performance data on commercially available wires. To address this, the Robinson Research Institute is making available its internal database of wire performance data, acquired on our in-house 1 kA critical current measurement system. The database is freely accessible via the world wide web at http://www.victoria.ac.nz/robinson/hts-wire-database and allows download of both graphical images of the data as well as the underlying data files. The database will continue to be expanded into the future, and submissions of commercially available wires for independent characterization and inclusion are invited. We demonstrate the utility of these data in terms of a case study on the design of our 1.5 T 2G HTS MRI system and by outlining a comparison of correlations between low-temperature and 77 K performance across 2G HTS wires sourced from different manufacturers that demonstrates that this is useful only for wires of a particular type produced under similar conditions (for example, several batches produced using the same process). These examples highlight the need for complete characterization of different wires under the operating conditions of interest.
ISSN:1051-8223
1558-2515
DOI:10.1109/TASC.2016.2628700