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首页> 外文期刊>Materials science forum >New Progress on Er-Containing Micro-Alloying Aluminum Alloys
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New Progress on Er-Containing Micro-Alloying Aluminum Alloys

机译：含Er微合金铝合金的新进展

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摘要

Erbium is an effective micro-alloying element in aluminum alloys and has been investigated intensively. Similar with the addition of Sc in aluminum alloys, nano-sized Ll_2-ordered Al_3Er precipitates were formed coherently with the matrix in Er-containing micro-alloying aluminum alloys. Further, in the case of the addition of both Er and Zr, core-shell-structured Al_3(Zr_xEr_(1-x)) precipitates, instead of Al_3Er, were observed in a fine dispersion. Those thermally-stable precipitates can refine the grain size, minimize the segregation, homogenize the microstructure, enhance the strength, hinder the recrystallization, and thus improve the comprehensive performance of the aluminum alloys. This paper presents the effect of Er on the microstructure, mechanical properties and thermal stability of aluminum alloys. The research of some typical commercial aluminum alloys containing Er, is also reviewed here.
机译：is是铝合金中有效的微合金元素，并且已经进行了深入研究。与在铝合金中添加Sc相似，在含Er的微合金铝合金中，纳米Ll_2级Al_3Er析出物与基体连贯形成。此外，在同时添加Er和Zr的情况下，观察到以细分散体代替Al_3Er析出了核-壳​​结构的Al_3（Zr_xEr_（1-x））析出物。这些热稳定的沉淀物可以细化晶粒尺寸，最小化偏析，使组织均匀化，增强强度，阻碍再结晶，从而改善铝合金的综合性能。本文介绍了Er对铝合金的组织，力学性能和热稳定性的影响。本文还综述了一些典型的含Er的商用铝合金的研究。

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  • 来源
    《Materials science forum》 |2017年第2017期|211-217|共7页
  • 作者

    Xiaolan Wu; Zuoren Nie; Shengping Wen; Kunyuan Gao; Hui Huang;

  • 作者单位

    College of Materials Science & Engineering, Beijing University of Technology, Beijing 100124 China;

    College of Materials Science & Engineering, Beijing University of Technology, Beijing 100124 China;

    College of Materials Science & Engineering, Beijing University of Technology, Beijing 100124 China;

    College of Materials Science & Engineering, Beijing University of Technology, Beijing 100124 China;

    College of Materials Science & Engineering, Beijing University of Technology, Beijing 100124 China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    aluminum alloys; Er; microalloying;

    机译：铝合金;微合金化;

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