Abstract
Differential scanning calorimetry (DSC) experiments were carried out for a bulk metallic glass (BMG), Zr41.2Ti13.8Cu12.5Ni10.0Be22.5, below and above the glass transition temperature Tg. The Tg values were determined from the DSC curves. A wide range of heating rate, q = dT/dt = 0.1–100 K/min, was adopted for the experiment, and the q dependence of the apparent Tg was investigated. As q was decreased, the value of Tg decreased rapidly, then more slowly, and seemed to approach a constant value at low q. The experimental result of this kinetic glass transition phenomenon was analyzed on the basis of the relaxation process occurring in the transition temperature range.
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