YBCO/Ag bulk material by melt crystallization for cryomagnetic applications

Based on thermoanalytic investigations a melt crystallization process was developed with reduced process temperatures and process times to produce YBCO/Ag monoliths (d identical with 26 mm) achieving the homogenous distribution of small sized Ag inclusions. The mechanical properties are improved, bu...

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Veröffentlicht in:	IEEE transactions on applied superconductivity 1999, Vol.9 (2), p.2022-2025
Hauptverfasser:	SCHÄTZLE, P, KRABBES, G, GRUSS, S, FUCHS, G
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Electronics Exact sciences and technology Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices Superconducting devices
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Zusammenfassung:	Based on thermoanalytic investigations a melt crystallization process was developed with reduced process temperatures and process times to produce YBCO/Ag monoliths (d identical with 26 mm) achieving the homogenous distribution of small sized Ag inclusions. The mechanical properties are improved, but the superconducting properties at 77 K, B sub(0) (480 mT) and F sub(N) (40 N) are slightly reduced compared with YBCO monoliths without an addition of Ag (750 mT and 65 N). The maximum trapped flux was increased to the value B sub(0) 9.4 T at 26.5 K, instead of 8.4 T in the Ag free bulk monolith.
ISSN:	1051-8223 1558-2515
DOI:	10.1109/77.784861