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首页> 外文期刊>Materials Science and Engineering >Temperature dependence of twinning activity in random textured cast magnesium
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Temperature dependence of twinning activity in random textured cast magnesium

机译：随机织构镁铸件中孪晶活性的温度依赖性

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摘要

Evolution of {1012} extension twinning with deformation temperature was investigated in randomly oriented polycrystalline magnesium using neutron diffraction (measurement of twinned volume) and acoustic emission (detection of twin nucleation) technique. Despite of the monotonic decrease of twinned volume with increasing temperature, the number of nucleated twins is similar in the mid-temperature (100-200 ℃) range, which indicates decreasing extent of twin growth at higher temperatures. At 300 ℃ the twinning is negligible.
机译：利用中子衍射（孪晶体积的测量）和声发射（孪晶核的检测）技术研究了随机取向的多晶镁中{1012}延伸孪晶随变形温度的演变。尽管孪晶体积随温度升高而单调减少，但在中温（100-200℃）范围内，有核孪晶的数量相似，这表明在较高温度下孪晶的生长程度有所降低。在300℃下，孪晶可以忽略不计。

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  • 来源
    《Materials Science and Engineering》 |2015年第11期|333-335|共3页
  • 作者

    Jan Capek; Gergely Farkas; Jan Pilch; Kristian Mathis;

  • 作者单位

    Department of Physics of Materials, Faculty of Mathematics and Physics, Charles University, Ke Karlovu 5, 121 16 Prague, Czech Republic;

    Department of Physics of Materials, Faculty of Mathematics and Physics, Charles University, Ke Karlovu 5, 121 16 Prague, Czech Republic;

    Nuclear Physics Institute of the Academy of Sciences of the Czech Republic, Rez. 250 68, Czech Republic;

    Department of Physics of Materials, Faculty of Mathematics and Physics, Charles University, Ke Karlovu 5, 121 16 Prague, Czech Republic;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    Magnesium; Acoustic emission; Neutron diffraction; Deformation twinning; High temperature;

    机译：镁;声发射;中子衍射;变形孪晶;高温;

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