Microstructural study of bronze-processed commercial multifilamentary superconducting Nb3Sn wires

Y. S. Hascicek, S. Nourbakhsh, M. J. Goringe

Research output: Contribution to journalArticle

Abstract

The thickness, morphology, grain size and grain morphology of A-15 diffusion layers in bronze-processed commercial multifilamentary superconducting Nb3Sn wire have been investigated using optical microscopy and transmission electron microscopy. The layer growth appears to be controlled by the availability of tin in the matrix, and the remanent tin concentration in the matrix depends on the reaction temperature. While there is some elongation of grains in the inner parts of the annular layers grown at lower temperatures, at high temperatures all the grains are equiaxed.

Original languageEnglish (US)
Pages (from-to)405-422
Number of pages18
JournalPhilosophical Magazine B: Physics of Condensed Matter; Statistical Mechanics, Electronic, Optical and Magnetic Properties
Volume59
Issue number4
DOIs
StatePublished - Apr 1989

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Physics and Astronomy(all)

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