Abstract
Practical applications of high-temperature superconductors requirelong length and complex shapes of the textured ceramic material. Thelimitation of processing the REBa2Cu3Oy (RE-123, RE = Y, Sm, Nd, etc) superconductors in desired designsrequires the development of joining techniques. In this paper we report onvarious attempts to join sections cut from single-domain YBa2Cu3Oy (Y-123) monoliths. The lower peritectic temperature rare earthYb-123 compounds were used as solder for melt texturing at the interface forjoining. The various factors influencing the formation of defect structuresduring the growth of the solder phase have been investigated. Transportcurrent measurements across the joints of the samples and also of a typicalconfiguration of a brick wall structure prepared under optimized conditionsare presented.
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