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采用示差扫描量热仪(DSC)得到Mg60Cu30Y10块体非晶合金在不同加热速率下的DSC曲线。利用Losocka、Kissinger以及Doyle方法研究了Mg60Cu30Y10块体非晶合金的非等温晶化动力学。结果表明:Mg60Cu30Y10块体非晶合金具有良好的热稳定性。通过Kissinger方法计算得到的其玻璃转变激活能(Eg)、晶化激活能(Ex)以及晶化峰值激活能(Ep)分别为160.07kJ/mol、136.11和145.19kJ/mol。随着加热速率的提高,各特征温度值向高温端移动。局域晶化激活能随着复合材料晶化体积分数的增加先增大后减小。

:Based on the data measured from continuous heating differential scanning calorimetry, the crystallization kinetics of Mg60Cu30Y10 of bulk amorphous alloy was studied by Losocka, Kissinger' s and Deloy' s method. The results show that Mg60 Cu30 YlobUlk amorphous alloy has good thermal stability. The activation energies of glass transition, crystallization and peak crystallization are 160. 07 kJ/mol, 136. 11 kJ/mol and 145.19 kJ/mol, respectively. The characteristic temperature moves to high temperature zone with increasing heating rate. The local area activation energy increases first, then decreases with the increasing crystallization volume fraction of the composite materials.

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