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Effect of yttrium and erbium on the microstructure and mechanical properties of Ti-Al-Nb alloys

机译：钇和on对Ti-Al-Nb合金显微组织和力学性能的影响

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摘要

The effect of yttrium and erbium on the microstructure and mechanical property of Ti-16Al-27Nb alloy was investigated in this paper. Experimental results showed that the phase constituent had not been changed by Y or Er additive and all the alloys were simply composed of β, O and α phases. However, the grain size of the alloy can be sharply refined by Y or Er element. Compression test showed that the mechanical property of the alloy cannot be obviously increased by Y additive but can be sharply improved by Er additive because of the presence of fine (AlTiNb)_2Er_3 precipitates in the β phase.
机译：研究了钇和对Ti-16Al-27Nb合金组织和力学性能的影响。实验结果表明，添加Y或Er并没有改变相组成，并且所有合金仅由β，O和α相组成。但是，合金的晶粒尺寸可以通过Y或Er元素急剧地细化。压缩试验表明，由于β相中存在细小的（AlTiNb）_2Er_3析出物，Y添加剂不能明显提高合金的力学性能，而Er添加剂可以明显提高合金的力学性能。

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  • 来源
    《Materials Science and Engineering》 |2010年第1期|p.220-225|共6页
  • 作者

    Yubin Ke; Huiping Duan; Yanran Sun;

  • 作者单位

    Institute of High Energy Physics, Chinese Academy of Sciences, 100049 Beijing, China,Beihang University, School of Material Science and Engineering, XueyuanLu58#, Beijing 100191, China;

    School of Material Science and Engineering, Beihang University, 100191 Beijing, China;

    School of Material Science and Engineering, Beihang University, 100191 Beijing, China;

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  • 正文语种 eng
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  • 关键词

    Ti-Al-Nb; rare earth; microstructure; mechanical property;

    机译：钛铝铌稀土微观结构机械性能;

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