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Author:

Yang, Song (Yang, Song.) | Zhang, Yiliang (Zhang, Yiliang.) | Xu, Jinquan (Xu, Jinquan.)

Indexed by:

EI Scopus

Abstract:

The threshold in fatigue crack propagation (ΔKth), which is a principal indicator of the property resistant to fracture of members bearing crack defect during the process of corrosion fatigue, plays an important role in engineering project. ΔKth cannot be directly obtained from test methods due to the accurate measurement of crack extension could not be conducted with the current test methods. The over-and-under method of fatigue reliability theory is innovatively introduced into the test determination of ΔKth. Meanwhile, a flatbase for the determination of ΔKth in low cycle fatigue H2S environment is set up. Additionally, data analysis is conducted by the way corresponding to the over-and-under method. The results show that: 1)The test determination of ΔKth can be effectively obtained through the test flatbase of corrosion fatigue. 2)The accurate measurement and study of ΔKth in low cycle fatigue H2S environment is realized by the over-and-under method of fatigue reliability theory. 3)The ΔKth in air environment is obviously greater that the one in low cycle fatigue H2S environment, where they differ by more than 50%. © 2009 SPIE.

Keyword:

Reliability theory Fatigue crack propagation Corrosion Corrosion fatigue Cracks

Author Community:

  • [ 1 ] [Yang, Song]Teaching Building 1, Beijing University of Technology, Beijing, 100124, China
  • [ 2 ] [Zhang, Yiliang]Teaching Building 1, Beijing University of Technology, Beijing, 100124, China
  • [ 3 ] [Xu, Jinquan]Teaching Building 1, Beijing University of Technology, Beijing, 100124, China

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Source :

ISSN: 0277-786X

Year: 2009

Volume: 7375

Language: English

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 5

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