对非晶Cu_(40)Ti_(60)合金引入一种预退火处理工艺,利用DSC研究了急冷态及预退火处理样品的晶化过程动力学,发现预退火处理使非晶合金的晶化温度、晶化激活能和Avrami指数值下降。由实验结果和理论分析得到了非晶Cu_(40)Ti_(60)合金的形核激活能和长大激活能。
The crystallizatiin kinetics of the Cu_(40)Ti_(60) glasses, either as-quenchedor pre-annealed, has been studied by differential scanning calorimetery. The crystal-lization temperature, activation energy for crystallization and Avrami exponent werefound to be lowered by pre-annealing. Both activation energies of nucleation andgrowth of the amorphous Cu_(40)Ti_(60) alloys were obtained on the basis of experimen-tal results and theoretical analysis.
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