Abstract
The effect of strain rates from 1 × 10 −4 s −1 to 2 × 10 3 s −1 on tensile fracture morphologies of Zr 52.5Al 10Ni 10Cu 15Be 12.5, Zr 65Al 10Ni 10Cu 15, and Zr 52.5Al 10Ni 14.6Cu 17.9Ti 5 bulk amorphous alloys was investigated by scanning electron microscopy. The results show that the tensile fracture morphologies of three compositions of bulk amorphous alloys are dependent on strain rate. At low strain rates, the tensile fracture surface morphology of Zr-based bulk metallic glasses presents cleavage veins. However, the morphology will become microvoid-coalescence dimples when the strain rate is high enough.
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