Samples of polycrystalline YBa2Cu30 v superconductor were prepared by melt textured growth (MTG). The melting parameters, including temperature gradient at solidification, melting temperature, melting time and cooling solidification rate, are key factors in preparing textured samples. Scanning elect
Critical currents in melt-textured YBa2Cu3Ox
โ Scribed by Donglu Shi; J.G. Chen; S. Salem-Sugui Jr.; K.C. Goretta
- Publisher
- Elsevier Science
- Year
- 1991
- Tongue
- English
- Weight
- 323 KB
- Volume
- 185-189
- Category
- Article
- ISSN
- 0921-4534
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The critical current density Jc of YBazCu30 x epitaxial film as a function of the angle 0 between magnetic field and ab-plane with H \_1\_ I and temperature was measured in various magnetic fields. Maxima of Jc were observed near 0 ยฐ and 90 ยฐ, respectively, with that for the latter higher than that
Transport critical currents of melt-processed (QMG) YBa2Cu3Ox bulk superconductors were measured by a d.c. four probe method. The QMC bulk specimens have high Jc characterisics of = 1 x 104 A cm-2 at 5 T for the magnetic field parallel to a-b plane. The angular dependence of Jo upon the direction of