Processing of large YBa2 Cu3Ox domains for levitation applications by a Nd1+x Ba2−x Cu3 Oy-Seeded melt-growth technique |
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| Authors: | V R Todt S Sengupta Donglu Shi P R Sahm P J McGinn R B Poeppel J R Hull |
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| Affiliation: | (1) Materials Science Division, Argonne National Laboratory, 60439 Argonne, IL;(2) Department of Materials Science & Engineering, University of Cincinnati, 45221-0012 Cincinnati, OH;(3) ACCESS e. V./Foundry Institute, Rhine Westfalian Institute of Technology, 52072 Aachen, Germany;(4) Center of Materials Science and Engineering, Department of Electrical Engineering, University of Notre Dame, 46556 Notre Dame, IN;(5) Energy Technology Division, Argonne National Laboratory, 60439 Argonne, IL |
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| Abstract: | YBa2Cu3Ox domains for levitation applications have been produced by a seeding technology that includes Nd1+x Ba2−x Cu3Oy seeds and melt-processing technologies such as conventional melt-textured growth, melt-texturing with PtO2 and Y2BaCuO5 additions, and the new solid-liquid-melt-growth technology. Large domains (∼20 mm) with high levitation forces (F1 up to 8.2 N) have been produced. The reproducibility of the results is good, and the capability of producing a large number
of pellets in a single batch indicates good potential for the production of large amounts of this material. |
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| Keywords: | YBa2Cu3Ox Nd1+x Ba2-x Cu3Oy seeding levitation force magnetization melt-texturing |
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