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Effects of Si content on the microstructure and tensile strength of an in situAl/Mg2Si composite

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Abstract

Al/Mg2Si composites were in situ fabricated by the usual die-casting technique, and effects of the Si contents in the composites on microstructures and tensile strengths were investigated. Experimental results show that extra Si contents in Al/Mg2Si composites induce a ductile matrix and a uniform distribution of in situ particles. The refined microstructures lead to an obvious increase in both strength and ductility of the metal matrix composites (MMCs). The effects of extra Si on both the solidification process and fracture characteristics of the Al/Mg2Si composites were analyzed.

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Authors and Affiliations

  1. Institute of Metal Research, Chinese Academy of Sciences, 110015, Shenyang, China

    Jian Zhang, Yu-qing Wang & Bing Yang

  2. Institute of Metal Research, Chinese Academy of Sciences, 110015, Shenyang, China

    Ben-lian Zhou

  3. International Center for Material Physics, Chinese Academy of Sciences, 110015, Shenyang, China

    Ben-lian Zhou

Authors
  1. Jian Zhang
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  2. Yu-qing Wang
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  3. Bing Yang
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  4. Ben-lian Zhou
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Zhang, J., Wang, Yq., Yang, B. et al. Effects of Si content on the microstructure and tensile strength of an in situAl/Mg2Si composite. Journal of Materials Research 14, 68–74 (1999). https://doi.org/10.1557/JMR.1999.0012

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  • DOI: https://doi.org/10.1557/JMR.1999.0012

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