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Journal of Materials Science

, Volume 29, Issue 16, pp 4306–4313 | Cite as

Effect of mechanical deformation and annealing on the evolution of c-axis texture of Bi1.6Pb0.4Sr2Ca2Cu3Oz superconductor hot-isostatic-press cladded onto a Ag substrate

  • J. M. Yoo
  • K. Mukherjee
Papers

Abstract

A systematic study was undertaken of the mechanical deformation and annealing effects on the c-axis texture evolution of a Bi1.6Pb0.4Sr2Ca2Cu3Oz (BSCCO) superconductor cladded onto a Ag substrate. As the amount of cold-rolling reduction (%) increased, a tighter clustering of the (001l4) poles around the surface normal indicated that randomly oriented grains from the initial hot-isostatic-press (HIP) cladded surface are progressively oriented nearly perpendicularly to the plane of the tape. Conventional X-ray diffraction (XRD), and X-ray pole-figure studies support a basal-plane sliding mechanism of plastic deformation. In samples annealed for 100 h, the superconductor (BSCCO) material near the BSCCO/Ag interface appears to undergo incipient melting, and there is a layer-like growth (c-axis texture), which extends macroscopically from the Ag interface. The sample-orientation distribution of short-term (5 h) annealed samples showed a strong c-axis texture, with the c-axis aligned nearly perpendicularly to the plane of the tape with no preferred alignment of the a- and b-axes.

Keywords

Polymer Plastic Deformation Systematic Study Mechanical Deformation Annealed Sample 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Chapman & Hall 1994

Authors and Affiliations

  • J. M. Yoo
    • 1
  • K. Mukherjee
    • 1
  1. 1.Department of Materials Science and MechanicsMichigan State UniversityEast LansingUSA

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