Effects of Mg content on microstructure and mechanical properties of SiCp/Al-Mg composites fabricated by semi-solid stirring technique

10%（volume fraction） SiCp/Al-Mg composites with different Mg contents were successfully fabricated by semi-solid mechanical stirring technique under optimum processing conditions.Effects of Mg content on microstructure and mechanical properties were studied by scanning electron microscopy（SEM）,X-ray...

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Bibliographic Details
Published in:Transactions of Nonferrous Metals Society of China 2010-10, Vol.20 (10), p.1851-1855
Main Author: 耿林 张宏伟 李吴择 关丽娜 黄陆军
Format: Article
Language:English
Subjects:
SiCp
制备性能
半固态
复合材料力学
微观结构
搅拌技术
镁复合材料
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Summary:10%（volume fraction） SiCp/Al-Mg composites with different Mg contents were successfully fabricated by semi-solid mechanical stirring technique under optimum processing conditions.Effects of Mg content on microstructure and mechanical properties were studied by scanning electron microscopy（SEM）,X-ray diffractometry（XRD） and transmission electron microscopy（TEM）.The results indicate that SiC particles disperse homogeneously in Al-Mg matrix and interfacial reaction between Al matrix and SiC particles is effectively controlled.Distribution of SiCp reinforcement and interfacial bonding are improved by adding Mg.Additionally,the mechanical properties of composites are remarkably improved with the Mg content increasing.
ISSN:1003-6326
DOI:10.1016/S1003-6326(09)60385-X