Microstructure and associated properties of YBCO superconductors prepared by melt-processing techniques
β Scribed by U. Balachandran; W. Zhong; C. A. Youngdahl; R. B. Poeppel
- Book ID
- 112901613
- Publisher
- Springer US
- Year
- 1993
- Tongue
- English
- Weight
- 970 KB
- Volume
- 22
- Category
- Article
- ISSN
- 0361-5235
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π SIMILAR VOLUMES
Single domain superconducting YBCO disks up to 30-50 mm in diameter have been prepared in batch process. A box furnace or a well-styled furnace was used in the processing. High oxygen pressure (up to 2 MPa) annealing of the samples was used in the final treatment. The levitation forces for 30 mm in
The melt-processed YBCO containing rare-earth 211-particles (Yb2BaCuOs) were synthesized with or without Pt-doping. A mixing of Yb and Y in the 211-phase occurs immediately after the incongruent melting of the 123-phase and proceeds during solidification. However, Pt-doping is found to suppress subs