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The results also validated the performance of various Code-based equations in predicting the crack width and first flexural cracking moment/load.
The authors identify high applied stress levels in combination with potential multiple crack initiation as the probable root of the problem and propose a scheme how the model can be extended for taking into account crack initiation.
This is believed to be the first direct observation of the interaction between dislocations and a crack tip during cyclic loading.
It is shown how engineering quantities, such as the time to initiation of a macroscopic crack, can be derived from the calculated densities.
For the first time, it was possible to simulate crack initiation in indentation on brittle materials.
The results have shown how initial RCF crack propagation is very microstructurally influenced.
Results show that crack behavior is greatly influenced by mechanical constraint intensity.
This effect is the first clear experimental evidence of crack path instabilities in the low speed regime in a uniaxial loading experiment.