PROCESSING STUDY OF HIGH TEMPERATURE SUPERCONDUCTING Y‐Ba‐Cu‐O CERAMICS

Ahmad Safari, J. B. Wachtman, C. Ward, V. Parkhe, N. Jisrawi, W. L. McLean

Research output: Contribution to journalArticle

9 Scopus citations

Abstract

Processing of the YBa2Cu3O6+x superconducting phase by employing different precursor powder preparation techniques (ball milling, attrition milling) and samples formed by different sintering conditions are discussed. The superconducting phase has been identified by powder x‐ray diffraction. The effect of different powder processing and pressing conditions on the structure, density, resistivity and a.c. magnetic susceptibility were studied. Though there is no variation in Tc for all the samples, attrition milled samples show a much lower resistance and less temperature dependence compared to ball milled samples above the superconducting transition temperature up to room temperature. Ball milled samples were loosely packed with more voids compared to attrition milled samples which are more densely packed with a needle‐like structure. 1987 The American Ceramic Society

Original languageEnglish (US)
Pages (from-to)492-497
Number of pages6
JournalAdvanced Ceramic Materials
Volume2
Issue number3 B
DOIs
StatePublished - Jul 1987

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Materials Chemistry

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