Effect of temperature on mechanical behavior of Zr-based bulk metallic glasses

Abstract

The compressive tests and Vickers microhardness measurements were conducted on the as-cast Zr-based bulk metallic glasses at different temperatures. The results show that the strength is proportional to the temperature. Furthermore, at cryogenic temperatures, more shear bands were observed near the fracture surface and surrounding the indentation marks. The analysis suggests that both the formation and propagation of the shear bands are thermally activated processes.