Journal of the Society of Naval Architects of Korea (대한조선학회논문집)

The Society of Naval Architects of Korea (대한조선학회)
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Mechanical Characteristics of Stainless Steel under Low Temperature Environment

극저온용 스테인레스 강의 저온거동 특성

  • Hong, Jin-Han (Department of Naval Architecture & Ocean Engineering, Pusan National University) ;
  • Keum, Dong-Min (Department of Naval Architecture & Ocean Engineering, Pusan National University) ;
  • Han, Dae-Suk (Department of Naval Architecture & Ocean Engineering, Pusan National University) ;
  • Park, In-Bum (Department of Naval Architecture & Ocean Engineering, Pusan National University) ;
  • Chun, Min-Sung (Samsung Heavy Industries co.,ltd.) ;
  • Ko, Kyung-Wan (Jokwang ILI) ;
  • Lee, Jae-Myung (Department of Naval Architecture & Ocean Engineering, Pusan National University)
  • 홍진한 (부산대학교 조선해양공학과) ;
  • 금동민 (부산대학교 조선해양공학과) ;
  • 한대석 (부산대학교 조선해양공학과) ;
  • 박인범 (부산대학교 조선해양공학과) ;
  • 전민성 ((주) 삼성중공업) ;
  • 고경완 ((주) 조광ILI) ;
  • 이제명 (부산대학교 조선해양공학과)
  • Published : 2008.10.31
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Abstract

Austenitic stainless steels(SUS 304, SUS 316), which are used for safety control valve of LNG carrier, are occasionally exposed in the cryogenic environment. In this regards, it is required to evaluate the mechanical characteristics under the low temperature environment. In this study, a series of uniaxial tensile test was carried out varying temperature for austenitic stainless steel. The phenomena of the strain-induced plasticity have been observed on the all temperature ranges. The critical value for threshold of 2nd hardening due to the phase transformation induced plasticity as well as the increase of hardening have been reported. The summarized experimental results would be used for the validation of numerical techniques applicable for the nonlinear hardening behavior of austenitic stainless steel under the cryogenic temperature environment.

Keywords

References

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  2. Tensile and Fatigue Behavior of ASS304 for Cold Stretching Pressure Vessels at Cryogenic Temperature vol.40, pp.5, 2016, https://doi.org/10.3795/KSME-A.2016.40.5.429