Characterization of hot isostatically pressed Bi-Sr-Ca-Cu-O as a function of consolidation variables

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Fully dense, bulk Bi{sub 2}Sr{sub 1.7}CaCu{sub 2}O{sub x} (2212) superconductor pellets were made by hot isostatic pressing in an inert atmosphere. Electron microscopy revealed that rotation and bending of the platelike 2212 grains were responsible for much of the densification. Under processing conditions of 825{degrees}C and 105 MPa, dense pellets were obtained in 15 min. Many dislocations, planar faults, and, perhaps, intergrowths of the Bi{sub 2}Sr{sub 2}CuO{sub x} phase were produced during pressing. The dislocations were largely present in subgrain boundaries when the pressing times were increased to 45--120 min.

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Goretta, K. C.; Miller, D. J.; Poeppel, R. B. & Nash, A. S. November 1, 1991.

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Fully dense, bulk Bi{sub 2}Sr{sub 1.7}CaCu{sub 2}O{sub x} (2212) superconductor pellets were made by hot isostatic pressing in an inert atmosphere. Electron microscopy revealed that rotation and bending of the platelike 2212 grains were responsible for much of the densification. Under processing conditions of 825{degrees}C and 105 MPa, dense pellets were obtained in 15 min. Many dislocations, planar faults, and, perhaps, intergrowths of the Bi{sub 2}Sr{sub 2}CuO{sub x} phase were produced during pressing. The dislocations were largely present in subgrain boundaries when the pressing times were increased to 45--120 min.

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6 p.

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OSTI; NTIS; GPO Dep.

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  • Annual fall meeting of the Materials Research Society (MRS),Boston, MA (United States),2-6 Dec 1991

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  • Other: DE92006980
  • Report No.: ANL/CP--73717
  • Report No.: CONF-911202--47
  • Grant Number: W-31109-ENG-38
  • Office of Scientific & Technical Information Report Number: 10117693
  • Archival Resource Key: ark:/67531/metadc1281294

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  • November 1, 1991

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  • Nov. 2, 2018, 2:15 p.m.

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Goretta, K. C.; Miller, D. J.; Poeppel, R. B. & Nash, A. S. Characterization of hot isostatically pressed Bi-Sr-Ca-Cu-O as a function of consolidation variables, article, November 1, 1991; Illinois. (https://digital.library.unt.edu/ark:/67531/metadc1281294/: accessed July 16, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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