Microstructure of Hypereutectic Al-Si Alloy with Electromagnetic Stirring

Li Shusuo  Wang Deren  Mao Weimin  Zhong Xueyou

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Microstructure of Hypereutectic Al-Si Alloy with Electromagnetic Stirring
Issue S1, Pages: 1-3(1998)
Published： 1998 ，
DOI：

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[1]李树索,王德仁,毛卫民,钟雪友.电磁搅拌过共晶铝硅合金的显微组织[J].特种铸造及有色合金,1998(S1):1-3.

Li Shusuo Wang Deren Mao Weimin Zhong Xueyou. Microstructure of Hypereutectic Al-Si Alloy with Electromagnetic Stirring. [J]. Special Casting & Nonferrous Alloys (S1):1-3(1998)
[1]李树索,王德仁,毛卫民,钟雪友.电磁搅拌过共晶铝硅合金的显微组织[J].特种铸造及有色合金,1998(S1):1-3. DOI：

Li Shusuo Wang Deren Mao Weimin Zhong Xueyou. Microstructure of Hypereutectic Al-Si Alloy with Electromagnetic Stirring. [J]. Special Casting & Nonferrous Alloys (S1):1-3(1998) DOI：

摘要

对电磁搅拌Al-24％Si合金的显微组织进行了研究

结果表明

初晶硅可以被打碎

同时碎片有聚集长大的现象;在非平衡凝固过程中析出α相且可以被打碎

破碎的α相呈圆球状或蔷薇状分布在剩余的液相中。在试样表面有富硅层出现。

Abstract

The microstructure of Al-24%Si alloy with electromagnetic stirring has been studied. The results show that: Primary Si phase can be broken by the stirring

and the broken Si fragments have a coalescent tendency. During non-equilibrium solidification

a phase can also be broken and the broken a phase particles appears as round particle. There is a rich Si layer at the surface of the sample.