非晶态U60Fe27.5Al12.5 合金的晶化动力学行为

韩录会, 柯海波, 张培, 桑革, 黄火根

Kinetic Crystallization Behavior of Amorphous U60Fe27.5Al12.5 Alloy

HAN Luhui, KE Haibo, ZHANG Pei, SANG Ge, HUANG Huogen

图1 不同升温速率下U60Fe27.5Al12.5非晶合金的DSC曲线,不同特征温度的Kissinger图和Ozawa图,及不同升温速率下玻璃转变温度Tg、晶化温度Tx1和Tx2外延获得的Kauzmann温度

Fig.1 DSC curves of U60Fe27.5Al12.5 amorphous alloy at different heating rates (a), Kissinger plots (b) and Ozawa plots (c) to calculate the activation energies relative to Eg, Ex and m and extrapolation of Tg, Tx1, and Tx2 at different heating rates to obtain the Kauzmann temperature (TK) (d) (θ—heating rate;T—temperature; Tg—glass transition temperature; Tx1 and Tx2—crystallization temperatures; Eg—activation energy relative to Tg; Ex1 and Ex2—activation energies relative to Tx1 and Tx2, respectively; m—fragility)