Fatigue crack growth modelling for pipeline carbon steels under gaseous hydrogen conditions

@inproceedings{Cheng2017FatigueCG,
  title={Fatigue crack growth modelling for pipeline carbon steels under gaseous hydrogen conditions},
  author={Ankang Cheng and Ningkang Chen},
  year={2017}
}
A corrosion-crack correlation model is proposed for the hydrogen embrittlement (HE) influenced fatigue crack growth modelling of pipeline carbon steels under gaseous hydrogen conditions. The model is developed primarily based on the correlation of environment-affected zone (EAZ) and plastic zone. In the model, fatigue crack growth rate is predicted by Forman equation to take into account the influence from fracture toughness. The critical frequency and the “transition” stress intensity factor… CONTINUE READING
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