Near-net-shape fabrication of continuous ag-clad bi-based superconductors

M. T. Lanagan, K. C. Goretta, D. K. Walter, R. B. Poeppel, R. Troendly, M. J. McNallan, S. Danyluk

Research output: Contribution to journalArticlepeer-review

Abstract

We have developed a near-net-shape process for Ag-clad Bi- 2212 superconductors. This alternative to the powder-in-tube process offers the advantages of nearly continuous processing, minimization of processing steps, reasonable ability to control the Bi-2212/Ag ratio, and early development of favorable texture of the Bi-2212 grains. The powder is rolled into an Ag channel, a cap is applied, and the assembly is lightly rolled. To minimize distortion during heat treatment, it is especially important that the Bi-2212 powder be nearly free of volatile species such as carbon. A vacuum-calcination process was developed to control COj evolution during heating. Superconducting properties are discussed.

Original languageEnglish (US)
Pages (from-to)1900-1903
Number of pages4
JournalIEEE Transactions on Applied Superconductivity
Volume9
Issue number2 PART 2
DOIs
StatePublished - 1999

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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