Volume 55, Number 1, July 2001
|Page(s)||100 - 104|
|Section||Condensed matter: electronic structure, electrical, magnetic, and optical properties|
|Published online||01 December 2003|
Large intergranular critical currents in joined YBCO monoliths
Zentrum für Funktionswerkstoffe Göttingen
gGmbH Windausweg 2, 37073 Göttingen, Germany
2 Institut für Materialphysik, Universität Göttingen Hospitalstrasse 3-7, 37073 Göttingen, Germany
3 Institut de Ciència de Materials de Barcelona Campus de la Universitat Autònoma de Barcelona 08193 Bellaterra, Catalonia, Spain
Accepted: 18 April 2001
Large-volume HTS tiles with low-angle grain boundaries are obtained by cutting melt textured (YBCO) samples parallel to their c-direction and rejoining them with , applying a pressure of 0.5. This joining technique enables the preparation of large monoliths as well as of monoliths with complex shape which are required for technical application. Samples prepared by this technique exhibit high intergranular critical current densities up to 109 at 55 and good mechanical connectivity.
PACS: 74.72.Bk – Y-based cuprates / 81.20.Vj – Joining; welding / 74.60.Jg – Critical currents
© EDP Sciences, 2001
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