CUED Publications database

Trapped field in individual and stacked rings of bulk melt processed Y-Ba-Cu-O

Withnell, TD and Babu, NH and Majoros, M and Reddy, ES and Astill, DM and Shi, Y and Cardwell, DA and Campbell, AM and Kerley, N and Zhang, S (2005) Trapped field in individual and stacked rings of bulk melt processed Y-Ba-Cu-O. In: UNSPECIFIED pp. 3125-3128..

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Abstract

Single grain rare earth barium cuprate [(RE)BCO] high temperature superconductors can trap large magnetic fields. In principle, samples can be stacked to form a quasipermanent magnet with a high length to width aspect ratio for engineering applications. The flux trapping properties of a stack of ring-shaped samples of Y-Ba-Cu-O (YBCO) were measured both on the surface and through the bore. Significant discrepancies between the experimental results and the predictions of a simple theory based on the Biot-Savart model were observed. These differences can be accounted for by the presence of a high density of small cracks parallel to the ab planes, which inhibit the circulation of current around the sample. © 2005 IEEE.

Item Type: Conference or Workshop Item (UNSPECIFIED)
Subjects: UNSPECIFIED
Divisions: Div C > Materials Engineering
Depositing User: Cron Job
Date Deposited: 17 Jul 2017 19:21
Last Modified: 01 Jul 2021 09:05
DOI: 10.1109/TASC.2005.848977