Shear transformation zone analysis of anelastic relaxation of a metallic glass reveals distinct properties of α and β relaxations.

  title={Shear transformation zone analysis of anelastic relaxation of a metallic glass reveals distinct properties of $\alpha$ and $\beta$ relaxations.},
  author={Tianjiao Lei and Luis Rangel DaCosta and M. L. Liu and Weiqi Wang and Y. H. Sun and Alan Lindsay Greer and M. Atzmon},
  journal={Physical review. E},
  volume={100 3-1},
Metallic glasses with pronounced high-frequency β relaxation in their dynamic-mechanical response have been observed to exhibit large plasticity. Due to their disordered atomic structure, it is challenging to identify the microscopic mechanisms of their relaxation behavior. Quasistatic anelastic relaxation measurements have been performed over 10 orders of magnitude of time on La_{55}Ni_{20}Al_{25} metallic glass, which exhibits a strong β relaxation. The corresponding time-constant spectra… 

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