Shear-band arrest and stress overshoots during inhomogeneous flow in a metallic glass | Zendy

R. Maaß | Zendy; David Klaumünzer | Zendy; G. Villard | Zendy; P. M. Derlet | Zendy; Jorg F. Löffler | Zendy

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Shear-band arrest and stress overshoots during inhomogeneous flow in a metallic glass

Author(s) -

R. Maaß,

David Klaumünzer,

G. Villard,

P. M. Derlet,

Jorg F. Löffler

Publication year - 2012

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.3684871

Subject(s) - shear band , materials science , shear (geology) , amorphous metal , shear stress , adiabatic shear band , glass transition , critical resolved shear stress , stress (linguistics) , composite material , shear flow , condensed matter physics , mechanics , shear rate , physics , linguistics , philosophy , alloy , viscosity , polymer

At the transition from a static to a dynamic deformation regime of a shear band in bulk metallic glasses, stress transients in terms of overshoots are observed. We interpret this phenomenon with a repeated shear-melting transition and are able to access a characteristic time for a liquidlike to solidlike transition in the shear band as a function of temperature, enabling us to understand why shear bands arrest during inhomogenous serrated flow in bulk metallic glasses.

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