Revealing the nucleation event of Mg-Al alloy induced by Fe impurity

Hengbin Liao,Liling Mo,Xiong Zhou,Zhizhong Yuan,Jun Du

International Journal of Minerals, Metallurgy and Materials（2022）

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摘要

This study revealed the nucleation event and grain refinement mechanism of Mg-Al alloy induced by Fe impurity. The following orientation relationship was observed between Al-Fe particle and α-Mg matrix in the Mg-3Al alloy containing Fe impurity using a focused ion beam aided transmission electron microscope technique: (1̅011)[011̅1]_Mg//(011̅)[011]_Al_2Fe . Mg-3Al alloy was inoculated by adding 0.02wt

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关键词

grain refinement,Mg-Al alloy,Al-Fe particle,heterogeneous nucleation

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