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Influence of a presintering treatment on melt-textured Y−Ba−Cu−O growth (1994)

Varesi, E. ; Frangi, F. ; Zannella, S.

Springer

Il nuovo cimento della Società Italiana di Fisica 16 (1994), S. 2107-2111

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ISSN: 0392-6737

Keywords: Y-based compounds ; Granular, melt-textured and amorphous superconductors ; powders ; Conference proceedings

Source: Springer Online Journal Archives 1860-2000

Topics: Physics

Notes: Summary The influence of a presintering treatment on Y-Ba-Cu-O prepared by a modified MPMG process was investigated. The sinterization, reducing the material porosity, was found to enhance the homogeneity of the Y2BaCuO5 (Y-211) particles distribution during the partial melting at 1100°C. As a consequence, the melttextured YBa2Cu3O7−x (Y-123) grows more uniformly producing oriented domain up to 3cm in size. Microstructural and diffractometrical analyses were performed on samples quenched at different stages during the thermal treatment.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF02471874

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