Compared the energies corresponding to three diffusion mechanisms, the NN diffusion needs the lowest activation energy (and thus the lowest migration energy). So that, the NN mono-vacancy diffusion is favorable in BCC transition metals.
对应NN扩散的激活能最低(迁移能也为最低),因此,体心立方过渡金属中的最可几扩散为单空位最近邻扩散。
参考来源 - 金属及合金自扩散的计算机模拟·2,447,543篇论文数据,部分数据来源于NoteExpress
The vacancy-concentration effect on the vacancy-migration-energy and the behaviour of divacancies were considered Using a formula derived for the vacancy current in BCC metals.
本文在考虑空位浓度对空位迁移能的影响和双空位效应的情况下,给出了体心立方金属中空位流与空位浓度梯度之间的定量关系。
The times I've spent with them, especially during the fall migration, have pulsed with energy.
和它们相处的时候,尤其是在秋季迁移期间,我感到充满活力。
Fast diffusion as well as diffusion-limited energy migration is considered.
考虑了快扩散和受扩散限制的能量迁移。
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