한국자동차공학회논문집 (Transactions of the Korean Society of Automotive Engineers)

  • 제22권2호
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  • Pages.134-140
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  • 2014
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  • 1225-6382(pISSN)
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  • 2234-0149(eISSN)
한국자동차공학회 (The Korean Society of Automotive Engineers)
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구조용 금속의 초고주기피로 거동에 대한 연구 동향

Reviews on Very High Cycle Fatigue Behaviors of Structural Metals

  • 한승욱 (한양대학교 대학원 기계공학과) ;
  • 박정훈 (한양대학교 대학원 기계공학과) ;
  • 명노준 (한양대학교 대학원 기계공학과) ;
  • 최낙삼 (한양대학교 기계공학과)
  • Han, Seung-Wook (Department of Mechanical Engineering, Graduate School, Hanyang University) ;
  • Park, Jung-Hoon (Department of Mechanical Engineering, Graduate School, Hanyang University) ;
  • Myeong, No-Jun (Department of Mechanical Engineering, Graduate School, Hanyang University) ;
  • Choi, Nak-Sam (Department of Mechanical Engineering, Hanyang University)
  • 투고 : 2013.08.19
  • 심사 : 2013.11.13
  • 발행 : 2014.03.01
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초록

The paper presents an overview of the present state of study on the fatigue behaviors at very high number of cycles ($N_f$ > $10^7$). A classification of materials with typical S-N curves and influencing factors such as notches, residual stresses, temperatures, corrosion environments and stress ratios are given. The microstructural inhomogeneities of materials and micro-cracks played an important roles in very high cycle fatigue behaviors. The failure mechanisms for the fatigue design of materials and components are mentioned.

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참고문헌

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