Phase development in partial-melt processing of silver-clad Bi{sub 2.15}Sr{sub 1.83}Ca{sub 1.02}Cu{sub 2}O{sub x} tapes

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Ag-clad Bi{sub 2.15}Sr{sub 1.83}Ca{sub 1.02}Cu{sub 2}O{sub x} tapes were fabricated by the powder-in-tube method and heated in air to maximum temperatures of 880--895{degrees}C. The tapes were characterized by differential thermal analysis, scanning electron microscopy, energy-dispersive X-ray analysis, and X-ray diffraction. Microstructures of tapes that were heated at 885--895{degrees}C were similar, and, at a given temperature, remained stable for up to 1.0 h, which was the longest time used. The most significant microstructural features in specimens quenched from the melt were voids of up to {approx}400 {mu}m in diameter. CuO was a minor phase in the melt, but grew significantly upon ... continued below

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9 p.

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Jiang, Ming; Delaney, W.E.; Lanagan, M.T.; Olson, S.R. & Goretta, K.C. March 1, 1996.

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Ag-clad Bi{sub 2.15}Sr{sub 1.83}Ca{sub 1.02}Cu{sub 2}O{sub x} tapes were fabricated by the powder-in-tube method and heated in air to maximum temperatures of 880--895{degrees}C. The tapes were characterized by differential thermal analysis, scanning electron microscopy, energy-dispersive X-ray analysis, and X-ray diffraction. Microstructures of tapes that were heated at 885--895{degrees}C were similar, and, at a given temperature, remained stable for up to 1.0 h, which was the longest time used. The most significant microstructural features in specimens quenched from the melt were voids of up to {approx}400 {mu}m in diameter. CuO was a minor phase in the melt, but grew significantly upon cooling to become the major nonsuperconducting phase when solidification was complete.

Physical Description

9 p.

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INIS; OSTI as DE96009047

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  • Annual meeting and exhibition of the Minerals, Metals and Materials Society (TMS), Anaheim, CA (United States), 4-8 Feb 1996

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  • Other: DE96009047
  • Report No.: ANL/ET/CP--87255
  • Report No.: CONF-960202--28
  • Grant Number: W-31-109-ENG-38
  • Office of Scientific & Technical Information Report Number: 237123
  • Archival Resource Key: ark:/67531/metadc668522

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  • March 1, 1996

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  • June 29, 2015, 9:42 p.m.

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  • June 27, 2016, 1:04 p.m.

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Jiang, Ming; Delaney, W.E.; Lanagan, M.T.; Olson, S.R. & Goretta, K.C. Phase development in partial-melt processing of silver-clad Bi{sub 2.15}Sr{sub 1.83}Ca{sub 1.02}Cu{sub 2}O{sub x} tapes, article, March 1, 1996; Illinois. (digital.library.unt.edu/ark:/67531/metadc668522/: accessed November 18, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.