Abstract
Strain recovery and acoustic emission measurements were carried out in order to identify the plastic flow mode of two Co-based metallic glasses at various temperatures in the as-cast and preannealed states. The experimental results obtained and model calculations allowed to confirm the idea that the flow mode is uniquely determined by the structural relaxation rate during testing: loading under kinetically frozen structural relaxation results in crystalline-like inhomogeneous (localized) deformation while homogeneous glass-like viscous flow is a direct consequence of the intensive structural relaxation.
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