Fracture and deformation properties of Ni-Fe superalloy in cryogenic high magnetic field environments

Yoko Yamaguchi, Katsumi Horiguchi, Yasuhide Shindo, Daisuke Sekiya, Susumu Kumagai

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

The present paper includes experimental and analytical data on the fracture properties of a nickel-iron superalloy, a ferromagnetic austenite, at 4 K in magnetic fields of 0 and 6 T. The tensile, notch tensile and small punch tests are employed. A finite element analysis is also performed to convert the experimentally measured load-displacement data into useful engineering information. To interpret the results we review the available theory of the influence of magnetic field on the stress intensity factor for a crack in ferromagnetic materials.

Original languageEnglish
Pages (from-to)469-475
Number of pages7
JournalCryogenics
Volume43
Issue number8
DOIs
Publication statusPublished - 2003 Aug 1

Keywords

  • Liquid helium (B)
  • Mechanical properties (C)
  • Metals (A)
  • Structural materials (A)
  • Superconducting magnets (F)

ASJC Scopus subject areas

  • Materials Science(all)
  • Physics and Astronomy(all)

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