Reliability of compressive fracture strength of Mg–Zn–Ca bulk metallic glasses: Flaw sensitivity and Weibull statistics

Mg96−xZnxCa4 (x = 30, 25) bulk metallic glasses (BMGs) belong to one of the brittle families of BMGs, yet their compressive fracture strength exhibit surprisingly high uniformity. This strength reliability is also supported by the Weibull modulus value derived from an analysis based on Weibull statistics. The flaw sensitivity and its obvious composition dependence are discussed.