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Effect of Ta additions upon in situ prepared Nb/sub 3/ Sn-Cu superconducting wire

Journal Article · · Metall. Trans., A; (United States)
DOI:https://doi.org/10.1007/BF02645113· OSTI ID:6560933
The effect of Ta additions on the critical currents, J /SUB c/ , and upper critical fields, H /SUB c2/ , been examined. The Ta segregates to the Nb dendrites and causes no observable change in filament morphology. Both high field values increase to a maximum at 10 wt pct Ta in the Nb-Ta phase and drop for higher Ta contents. Improvement in J /SUB c/ in the 12 to 16 T range is small. The J /SUB c/ values of in situ wires are equivalent to bronze processed wires up to 12T but above that value they become lower.
Research Organization:
Ames Laboratory
OSTI ID:
6560933
Journal Information:
Metall. Trans., A; (United States), Journal Name: Metall. Trans., A; (United States) Vol. 15A:2; ISSN MTTAB
Country of Publication:
United States
Language:
English