Identification and quantification of phases formed during the processing of (Bi,Pb){sub 2}Sr{sub 2}Ca{sub 2}Cu{sub 3}O{sub x}/Ag composite conductors

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Scanning electron microscopy, energy dispersive x-ray analysis, (including x-ray dot mapping), x-ray diffraction and computer based image analysis have been used to study non-superconducting secondary phases that evolve during the processing of (Bi,Pb){sub 2}Sr{sub 2}Ca{sub 2}Cu{sub 3}O{sub x}/Ag composite superconductors. These investigations have provided new information and insights about specific alkaline earth cuprates (AECs) and lead-rich phases. We can conclusively identify (Ca,Sr){sub 2}CuO{sub 3}, (Ca,Sr){sub 14}(Cu{sub 24})O{sub 41}, and CuO phases, the alkaline earth plumbates, and a (Bi,Pb)-Sr-Ca-Cu-O 3221 phase with a wide range of Pb/Bi ratios. These techniques also help in differentiating voids from secondary phases and alkaline earth ... continued below

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7 p.

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Merchant, N.N.; Fischer, A.K.; Maroni, V.A.; Carter, W.L. & Parrella, R.D. August 1, 1996.

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Scanning electron microscopy, energy dispersive x-ray analysis, (including x-ray dot mapping), x-ray diffraction and computer based image analysis have been used to study non-superconducting secondary phases that evolve during the processing of (Bi,Pb){sub 2}Sr{sub 2}Ca{sub 2}Cu{sub 3}O{sub x}/Ag composite superconductors. These investigations have provided new information and insights about specific alkaline earth cuprates (AECs) and lead-rich phases. We can conclusively identify (Ca,Sr){sub 2}CuO{sub 3}, (Ca,Sr){sub 14}(Cu{sub 24})O{sub 41}, and CuO phases, the alkaline earth plumbates, and a (Bi,Pb)-Sr-Ca-Cu-O 3221 phase with a wide range of Pb/Bi ratios. These techniques also help in differentiating voids from secondary phases and alkaline earth plumbates from the lead-rich 3221 phase.

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7 p.

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OSTI as DE96013956

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  • Applied superconductivity conference, Pittsburgh, PA (United States), 25-30 Aug 1996

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  • Other: DE96013956
  • Report No.: ANL/CMT/CP--88969
  • Report No.: CONF-960850--10
  • Grant Number: W-31109-ENG-38
  • Office of Scientific & Technical Information Report Number: 383045
  • Archival Resource Key: ark:/67531/metadc678178

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  • August 1, 1996

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  • July 25, 2015, 2:20 a.m.

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  • Dec. 16, 2015, 5:06 p.m.

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Merchant, N.N.; Fischer, A.K.; Maroni, V.A.; Carter, W.L. & Parrella, R.D. Identification and quantification of phases formed during the processing of (Bi,Pb){sub 2}Sr{sub 2}Ca{sub 2}Cu{sub 3}O{sub x}/Ag composite conductors, article, August 1, 1996; Illinois. (digital.library.unt.edu/ark:/67531/metadc678178/: accessed December 17, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.