Angular dependence of residual strain in CuNb/(Nb, Ti)3Sn wires

Satoshi Awaji, Hidetoshi Oguro, Gen Nishijima, Kohki Takahashi, Kazuo Watanabe, Hiroshi Suzuki, Shutaro Machiya

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)

Abstract

We evaluated three-dimensional residual strains for practical Nb 3Sn wires with different architectures and residual strains at low temperature by neutron diffraction, and the upper critical fields under the tensile strains were discussed on the basis of the three-dimensional strain model. We found that the angular dependence of the residual strain can be described well by the two representative strains, i.e. the axial and lateral strains. The differences in the three-dimensional residual strains, which depend on the wire architecture and mechanical treatment history, play an important role in the superconducting properties of composite Nb3Sn wires under axial stress/strain.

Original languageEnglish
Article number105010
JournalSuperconductor Science and Technology
Volume23
Issue number10
DOIs
Publication statusPublished - 2010 Oct 1

ASJC Scopus subject areas

  • Ceramics and Composites
  • Condensed Matter Physics
  • Metals and Alloys
  • Electrical and Electronic Engineering
  • Materials Chemistry

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