Fatigue crack growth in Haynes 230 single crystals : an analysis with digital image correlation

@inproceedings{RABBOLINI2015FatigueCG,
  title={Fatigue crack growth in Haynes 230 single crystals : an analysis with digital image correlation},
  author={S. RABBOLINI and Garrett J. Pataky and Huseyin Sehitoglu and Stefano Beretta},
  year={2015}
}
Fatigue crack growth was investigated in Haynes 230, a nickel-based superalloy. Anisotropic stress intensity factors were calculated with a least squares algorithm using the displacements obtained from digital image correlation. Crack opening/sliding levels were measured by analysing the relative displacement of crack flanks. Reversed crack tip plastic zones were calculated adopting an anisotropic yield criterion. The strains measured in the reversed plastic zone by digital image correlation… CONTINUE READING

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