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Effect of reinforced fiber on morphology of Si phases in Al2O3/Al-Si alloy composite

中国铸造2005，Vol.2Issue(2)：92-96,5.

Effect of reinforced fiber on morphology of Si phases in Al2O3/Al-Si alloy composite

作者信息

1. Faculty of Materials and Chemical Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, China;School of Material Science and Engineering, Beijing University of Science and Technology, Beijing 100083, China;Faculty of Materials and Chemical Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, China;Faculty of Materials and Chemical Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, China;Faculty of Materials and Chemical Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, China
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摘要

Abstract

Alumina/aluminum-silicon alloy composite is manufactured by squeeze casting. The effect of the reinforcement on the morphology of the silicon phase in aluminum-silicon alloy is studied. The results indicate that an alumina fiber can serve as propitious sites for the heterogeneous nucleation of the silicon phase, and the primary silicon in the composite can nucleate on the surface of the fiber. The fiber in the composite can trigger twin during the coupled growth of the aluminum-silicon eutectic and lead to modification of the eutectic silicon near the fiber.

关键词

Al2O3 fiber/Al-Si alloy composite/Si phase/modification

Key words

Al2O3 fiber/Al-Si alloy composite/Si phase/modification

分类

矿业与冶金

引用本文复制引用

..Effect of reinforced fiber on morphology of Si phases in Al2O3/Al-Si alloy composite[J].中国铸造,2005,2(2):92-96,5.

基金项目

The project was financially supported by the Ministry of National Education (No.00191) and the Natural Science Foundation of Jiangxi Province (No.0150032),China （No.00191）

中国铸造

ISSN：1672-6421

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