Cryogenic fracture behavior of metastable austenitic stainless steel in a high magnetic field

Yasuhide Shindo, F. Narita, M. Suzuki, I. Shindo

Research output: Contribution to journalArticlepeer-review

Abstract

We study the effect of magnetic field on the fracture behavior of the metastable austenitic stainless steels at cryogenic temperatures. Elastic-plastic fracture toughness tests were performed on compact tension specimens in liquid helium at 4 K with and without a magnetic field, and the effect of magnetic field on the cryogenic fracture toughness was discussed. Quantitative phase analysis was also done by magnetic method, and the fracture surfaces were examined by scanning electron microscopy to correlate with the fracture properties.

Original languageEnglish
Pages (from-to)221-225
Number of pages5
JournalStrength of Materials
Volume42
Issue number2
DOIs
Publication statusPublished - 2010 Mar 1

Keywords

  • Austenitic stainless steels
  • Compact tension
  • Fracture mechanics
  • Fracture toughness
  • Liquid helium temperature
  • Magnetic field
  • Superconducting fusion magnets

ASJC Scopus subject areas

  • Mechanics of Materials

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