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Volume 25 Issue 5
May  2018
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文章导航 >  矿物冶金与材料学报（英文）  > 2018  >  25(5): 554-563
Xiao-hui Ao, Shu-ming Xing, Bai-shui Yu, and Qing-you Han, Effect of Ce addition on microstructures and mechanical properties of A380 aluminum alloy prepared by squeeze-casting, Int. J. Miner. Metall. Mater., 25(2018), No. 5, pp. 554-563. https://doi.org/10.1007/s12613-018-1602-y
Cite this article as:
Xiao-hui Ao, Shu-ming Xing, Bai-shui Yu, and Qing-you Han, Effect of Ce addition on microstructures and mechanical properties of A380 aluminum alloy prepared by squeeze-casting, Int. J. Miner. Metall. Mater., 25(2018), No. 5, pp. 554-563. https://doi.org/10.1007/s12613-018-1602-y
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研究论文

Effect of Ce addition on microstructures and mechanical properties of A380 aluminum alloy prepared by squeeze-casting

  • School of Mechanical Electronic and Control Engineering, Beijing Jiaotong University, Beijing 100044, China

  • Department of Mechanical Engineering Technology, Purdue University, Indiana-IN 47907, America

  • 通讯作者:

    Shu-ming Xing    E-mail: smxing@bjtu.edu.cn

  • The effect of cerium (Ce) addition on the eutectic Si, β-Al5FeSi phase, and the tensile properties of A380 alloy specimens prepared by squeeze-casting were studied by optical microscopy (OM), scanning electron microscopy (SEM), and X-ray diffraction (XRD). The experimental results showed that Ce more effectively modified the eutectic Si and refined the β-Al5FeSi. The refinement effect significantly increased under a specific pressure of 100 MPa with the addition of Ce from 0.1wt% to 0.9wt%. In contrast, the average length and the aspect ratio of the eutectic Si and β-Al5FeSi exhibited their optimal values when the content of the added Ce was greater than 0.5wt%. Needle-like Al8Cu4Ce was precipitated with the addition of excessive Ce; hence, the mechanical properties of A380 gradually decreased with increasing Ce content in the range from 0.3wt% to 0.9wt%.
    • Research Article

    Effect of Ce addition on microstructures and mechanical properties of A380 aluminum alloy prepared by squeeze-casting

    + Author Affiliations
      Abstract
    • The effect of cerium (Ce) addition on the eutectic Si, β-Al5FeSi phase, and the tensile properties of A380 alloy specimens prepared by squeeze-casting were studied by optical microscopy (OM), scanning electron microscopy (SEM), and X-ray diffraction (XRD). The experimental results showed that Ce more effectively modified the eutectic Si and refined the β-Al5FeSi. The refinement effect significantly increased under a specific pressure of 100 MPa with the addition of Ce from 0.1wt% to 0.9wt%. In contrast, the average length and the aspect ratio of the eutectic Si and β-Al5FeSi exhibited their optimal values when the content of the added Ce was greater than 0.5wt%. Needle-like Al8Cu4Ce was precipitated with the addition of excessive Ce; hence, the mechanical properties of A380 gradually decreased with increasing Ce content in the range from 0.3wt% to 0.9wt%.
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