Abstract
We investigated the effects of thermal cycling on the kinetics of glass transition and crystallization of a classic Zr-based BMG (Vit-1) by differential scanning calorimetry (DSC). Two different thermal cycling conditions with different cycles and holding times were used. Sub–sub-Tg isothermal annealing condition was also adopted for comparison. Continuous DSC tests were conducted to calculate the activation energies of glass transition and crystallization based on different equations. Isothermal DSC tests were also conducted to further study the crystallization mechanisms in views of local Avrami exponent. Based on the experimental results, the related mechanisms have also been discussed.
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