Synthesis of bulk YBa2Cu3O7-x by melt-spun texture growth (MSTG)
β Scribed by G.F. Zhou; G.W. Qiao; J.G. Huang; M. Jiang; Y.Z. Wang; Y.C. Chuang
- Publisher
- Elsevier Science
- Year
- 1991
- Tongue
- English
- Weight
- 304 KB
- Volume
- 114
- Category
- Article
- ISSN
- 0022-0248
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The power dissipation of high T c superconductors is an important factor to be evaluated for applications involving a.c. operation. We have investigated, by the electrical method, the a.c. losses of melt-textured YBa2Cu307\_x bars carrying 50 Hz alternating current at 77 K. The samples, prepared by
The critical current density in melt-textured samples obtained by the powder melting process was determined from magnetization measurements. Linear dependence between the width of the hysteresis loop and sample size was observed for both unirradiated and irradiated samples. This indicates that the c