Atomistic simulation of creep in a nanocrystal.

@article{Lau2010AtomisticSO,
  title={Atomistic simulation of creep in a nanocrystal.},
  author={Timothy T. Lau and Akihiro Kushima and Sidney Yip},
  journal={Physical review letters},
  year={2010},
  volume={104 17},
  pages={
          175501
        }
}
We describe a method to simulate on macroscopic time scales the stress relaxation in an atomistic nanocrystal model under an imposed strain. Using a metadynamics algorithm for transition state pathway sampling we follow the full evolution of a classical anelastic relaxation event, with relaxation times governed by the nanoscale microstructure imperfections in the solid. We show that probing this sensitive variation leads to mechanistic insights that reveal a direct correlation between system… CONTINUE READING

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