대한금속재료학회지 (Korean Journal of Metals and Materials)

  • 제49권10호
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  • Pages.774-779
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  • 2011
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  • 1738-8228(pISSN)
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  • 2288-8241(eISSN)
대한금속재료학회 (The Korean Institute of Metals and Materials)
권호 표지
DOI QR코드

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304 스테인리스강 주조재의 저온 S-N 피로거동 예측

Prediction of Cryogenic S-N Fatigue Behavior of Cast 304 Stainless Steel

  • 권재기 (한국지질자원연구원 광물자원연구본부) ;
  • 이현정 (경상대학교 금속재료공학과 항공기부품기술연구소) ;
  • 김영주 (한국지질자원연구원 광물자원연구본부) ;
  • 김상식 (경상대학교 금속재료공학과 항공기부품기술연구소)
  • Kwon, Jae-ki (Mineral Resources Research Division, Korea Institute of Geoscience & Mineral Resources) ;
  • Lee, Hyun-jung (ReCAPT, Department of Metallurgical and Materials Engineering, Gyeongsang National University) ;
  • Kim, Young-ju (Mineral Resources Research Division, Korea Institute of Geoscience & Mineral Resources) ;
  • Kim, Sangshik (ReCAPT, Department of Metallurgical and Materials Engineering, Gyeongsang National University)
  • 투고 : 2011.06.10
  • 발행 : 2011.10.25
⟨ 이전 논문 다음 논문 ⟩

초록

S-N fatigue behavior of cast 304 stainless steel was studied at 25, -50 and $-196^{\circ}C$ and at a stress ratio of -1 in uniaxial and bending loading condition. It was found that the resistance to S-N fatigue was greatly improved with decreasing testing temperature. The normalized S-N fatigue curves by tensile strength at three different testing temperatures matched each other, suggesting that tensile strength determines the S-N fatigue resistance of cast 304 stainless steel at low temperatures. The effects of different loading on the resistance to S-N fatigue of cast 304 stainless steel were quantified. The S-N fatigue curves at 25, -50 and $-196^{\circ}C$ were described by using Basquin's law the relationship between the S-N fatigue curve and the testing temperature was obtained by using a simple regression method.

키워드

과제정보

연구 과제번호 : Drill Riser System 기술 개발

연구 과제 주관 기관 : 한국지질자원연구원

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