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Activation volume of microscopic processes in amorphous Pd _(77.5)Cu_(6.0)Si1_(6.5) due to stress and temperature

机译:应力和温度引起的非晶Pd _(77.5)Cu_(6.0)Si1_(6.5)微观过程的激活量

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摘要

Creep/recovery measurements of amorphous PdCuSi ribbons have been performed. From these data we calculated the activation volume of relaxation processes in the temperature range from the glass transition temperature (Tg) to crystallization. The results indicate a correlation between applied stress and the activation volume of clusters in temperature regime close to Tg. With these results it is possible to compare molecular dynamic simulations for microscopic loss processes in metallic glasses with experimental values for mobile clusters.
机译:已经进行了非晶态PdCuSi带的蠕变/恢复测量。根据这些数据,我们计算了从玻璃化转变温度(Tg)到结晶化温度范围内弛豫过程的活化体积。结果表明,在接近Tg的温度条件下,施加应力与簇的活化量之间存在相关性。利用这些结果,可以将金属玻璃中微观损失过程的分子动力学模拟与可移动团簇的实验值进行比较。

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