Materials pp 183-190 | Cite as

Cold Thermal Fatigue of Austenitic Stainless Steel

  • Arata Nishimura
  • Yoshihiko Mukai
Part of the Advances in Cryogenic Engineering book series (ACRE, volume 38)


To investigate the cold thermal-fatigue characteristics of an austenitic stainless steel (SUS304), a thermal-cycling test was conducted between ambient and cryogenic temperatures. Test specimens were tubes through which flowed liquid helium or nitrogen for cooling and nitrogen gas for warming; the specimen ends were under thermal-deformation restraint. The center of the pipe contained a thin, narrow test section, 20 mm long, to concentrate the thermal deformation. Large hysteresis loops were obtained in the test section. After 757 cycles, a fatigue crack propagated through the wall of the test section, and nitrogen gas leaked into the vacuum chamber. Cold thermal cracks were observed at a corner of the specimen test section; striations were observed on the fracture surfaces.

Cold thermal-fatigue life was estimated from strain-controlled fatigue life. Cold thermal fatigue is a significant factor in the design of cryogenic structures that will experience thermal cycles, especially those where a stress concentration exists.


Fatigue Crack Fatigue Life Test Section Austenitic Stainless Steel Liquid Helium 
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  1. 1.
    Y. Mukai and A. Nishimura, Mechanical properties of SUS304 stainless steel under cold thermal cycles, Proc., International Conference on Magnet Technology (MT-1l), Elsevier, New York (1990), p. 743.Google Scholar
  2. 2.
    K. Suzuki, J. Fukakura, and T. Mori, Low-cycle fatigue properties of 304L stainless steel under axial-strain control at liquid helium temperature, Zairyo (in Japanese) 34–385 (1985), p. 1206.Google Scholar

Copyright information

© Springer Science+Business Media New York 1992

Authors and Affiliations

  • Arata Nishimura
    • 1
  • Yoshihiko Mukai
    • 2
  1. 1.National Institute for Fusion ScienceChikusa, NagoyaJapan
  2. 2.Faculty of EngineeringOsaka University Yamada-OkaSuita, OsakaJapan

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