Abstract
Despite extensive research, the understanding of the fundamental processes governing yielding and plastic flow in metallic glasses remains poor. This is due to experimental difficulties in capturing plastic flow as a result of a strong localization in space and time by the formation of shear bands at low homologous temperatures. Unveiling the mechanism of shear banding is hence key to developing a deeper understanding of plastic deformation in metallic glasses. We will compile recent progress in studying the dynamics of shear-band propagation from serrated flow curves. We will also take a perspective gleaned from stick-slip theory and show how the insights gained can be deployed to explain fundamental questions concerning the origin, mechanism, and characteristics of flow localization in metallic glasses.
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Klaumünzer, D., Maaß, R. & Löffler, J.F. Stick-slip dynamics and recent insights into shear banding in metallic glasses. Journal of Materials Research 26, 1453–1463 (2011). https://doi.org/10.1557/jmr.2011.178
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DOI: https://doi.org/10.1557/jmr.2011.178