Enhanced heterogeneous nucleation of Al6(Fe,Mn) compound in Al alloys by interfacial segregation of Mn on TiB2 particles surface

Zhongping Que,Yun Wang,Zhongyun Fan,Teruo Hashimoto,Xiaorong Zhou

Materials Letters（2022）

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摘要

•Mn segregates at the α-Al/(0001)TiB2 interface in Al-3Ti-4B master alloy.•Fe segregates at the α-Al/(0001)TiB2 interface in Al-3Ti-4B master alloy.•The size of primary Al6(Fe,Mn) particles reduced from 26.0 ± 2.1 μm to 9.5 ± 0.6 μm.•(200) Al6(Fe,Mn) ∼ (0001) TiB2 and [021] Al6(Fe,Mn) // [11–20] TiB2.

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关键词

Heterogeneous nucleation,Grain refiner,Al6(Fe,Mn),Interfacial segregation,Al alloys

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