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
β¦ LIBER β¦
Flux pinning and flux creep in Sn-doped powder melting processed YBCO
β Scribed by Yong Feng; Lian Zhou; J.G. Wen; N. Koshizuka
- Book ID
- 108466296
- Publisher
- Elsevier Science
- Year
- 1997
- Tongue
- English
- Weight
- 477 KB
- Volume
- 289
- Category
- Article
- ISSN
- 0921-4534
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YBa2Cu307 crystals fabricated by a quench and melt growth process contain fine Y2BaCuO5 particles. These fine precipitates are considered to have three beneficial effects: they suppress crack formation; they promote oxygen diffusion; and they act as pinning centres. Such crystals exhibit larger flux