Abstract

By modulating β-phase stabilizing elements, three metallic glass matrix composites (MGMCs) with stable β-phase were developed. The mechanical behavior based on dislocation-mediated plasticity is different for the very three composites, due to the difference in the number of slip systems generated by the plastic deformation within dendrites. A quantitative model of predicting yield strengths in MGMCs is successfully established. This provides useful guidances to design ductile MGMCs for structural application at ambient temperature.

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