Steel and Composite Structures

  • 제17권2호
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  • Pages.185-198
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  • 2014
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  • 1229-9367(pISSN)
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  • 1598-6233(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Constitutive model coupled with damage for carbon manganese steel in low cycle fatigue

  • 투고 : 2014.02.03
  • 심사 : 2014.07.01
  • 발행 : 2014.08.25
⟨ 이전 논문 다음 논문 ⟩

초록

Carbon-manganese steel A42 (French standards) is used in steam generator pipes of nuclear center and subject to low cycle fatigue (LCF) loads. In order to obtain the material LCF behavior, the tests are implemented in a hydraulic fatigue machine. The LCF plastic deformation and cyclic stress in macroscope have been influenced by the accumulated low cycle fatigue damage. The constitutive kinematic and isotropic hardening modeling is modified with coupling fatigue damage to describe the fatigue behavior. The improved model seems to be good agreement with the test results.

키워드

과제정보

연구 과제 주관 기관 : Natural Science Foundation of China

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피인용 문헌

  1. Local ratcheting behavior in notched 1045 steel plates vol.28, pp.1, 2014, https://doi.org/10.12989/scs.2018.28.1.001
  2. Rapid S-N type life estimation for low cycle fatigue of high-strength steels at a low ambient temperature vol.33, pp.6, 2014, https://doi.org/10.12989/scs.2019.33.6.777