Aldika, Nukman

热重分析仪是一种进行热分析的工具，测试材料的质量将与温度升高率成反比或正比，是时间的函数（恒温上升）。TGA测试的结果是质量与时间的比较，质量与DTA的比较，以及ln k与1/t的比较；所有确定每个样本所需的氧化点和活化能的关系都可以知道。所用的样本有4个：纯铝、混有2%锡的纯铝、混有6%锡的纯铝和混有10%锡的纯铝。每个样本所需的活化能如下，纯铝为64.24kJ/mol，混有2%锡的纯铝为58.70kJ/mol，混有6%锡的纯铝为16.63kJ/mol，混有10%锡的纯铝为47.68kJ/mol。

铝；锡；氧化；TGA；活化能

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