Small punch testing for determining the cryogenic fracture properties of 304 and 316 austenitic stainless steels in a high magnetic field |
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| Authors: | Yasuhide Shindo Yoko Yamaguchi Katsumi Horiguchi |
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| Affiliation: | Department of Materials Processing, Graduate School of Engineering, Tohoku University, Sendai 980-8579, Japan |
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| Abstract: | This paper examines the effect of magnetic field on the fracture properties of austenitic stainless steels at liquid helium temperature (4 K). Small punch tests were performed on cold-rolled 304 and 316 austenitic stainless steels. Previously proposed correlation for small punch and elastic-plastic fracture toughness test methods was applied to predict a small punch test-based fracture toughness from equivalent fracture strain. |
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| Keywords: | Metals (A) Structural materials (A) Liquid helium (B) Mechanical properties (C) Superconducting magnets (F) |
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