Anomalies in the magnetization of melt-processed YBCO superconductors
โ Scribed by H. Hojaji; S. Hu; A. Barkatt; D.D. Davis; A.N. Thorpe
- Publisher
- Elsevier Science
- Year
- 1992
- Tongue
- English
- Weight
- 776 KB
- Volume
- 195
- Category
- Article
- ISSN
- 0921-4534
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In this paper, we summarize two processing approaches which have been used to produce pinning centers in melt-textured YBCO resulting in the enhancement of current density. The first approach is the addition of nonsuperconducting inclusions such as Y2BaCuO5, and the second is high temperature mechan
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