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首页> 外文期刊>Materials Letters >Multiple micro-channels Ni3Si template fabricated by selective dissolution of Ni-Ni3Si eutectic
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Multiple micro-channels Ni3Si template fabricated by selective dissolution of Ni-Ni3Si eutectic

机译：通过选择性溶解Ni-Ni3Si共晶制备的多个微通道Ni3Si模板

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摘要

Ni3Si templates with regularly aligned micro-channels were fabricated through producing Ni-Ni3Si eutectics with a lamellar microarchitecture by directional solidification and selective dissolution of Ni phase. After etching 72 h, the Ni phase in Ni-Ni3Si multiphase eutectic was removed completely, and Ni3Si compound with numerous narrow channels was revealed. The inner wall of the micro-channels is not smooth, and exist some growth steps. The average width of these micro-channels in the Ni3Si template is 2.3 mu m and the thickness of Ni3Si template with through channels is approach to 800 pm. Therefore, this work is expected to offer a new route of fabricating micro-channeled Ni3Si intermetallic compound, which can be used as a template to other materials.
机译：通过定向凝固和镍相的选择性溶解，产生具有层状微结构的Ni-Ni3Si共晶，从而制造出具有规则排列的微通道的Ni3Si模板。刻蚀72 h后，Ni-Ni3Si多相共晶中的Ni相被完全去除，并显示出具有许多窄通道的Ni3Si化合物。微通道的内壁不光滑，并存在一些生长步骤。 Ni3Si模板中这些微通道的平均宽度为2.3μm，带有通道的Ni3Si模板的厚度接近800 pm。因此，这项工作有望为制造微通道Ni3Si金属间化合物提供新途径，该方法可用作其他材料的模板。

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  • 来源
    《Materials Letters》 |2017年第1期|375-377|共3页
  • 作者

    Wei Lufeng; Zhao Zhilong; Wang Shaoyi; Gao Jianjun; Cui Kai; Li Ning;

  • 作者单位

    Northwestern Polytech Univ, Sch Mech Engn, POB 412, Xian 710072, Peoples R China;

    Northwestern Polytech Univ, Sch Mech Engn, POB 412, Xian 710072, Peoples R China;

    Northwestern Polytech Univ, Sch Mech Engn, POB 412, Xian 710072, Peoples R China;

    Northwestern Polytech Univ, Sch Mech Engn, POB 412, Xian 710072, Peoples R China;

    Northwestern Polytech Univ, Sch Mech Engn, POB 412, Xian 710072, Peoples R China;

    Northwestern Polytech Univ, Sch Mech Engn, POB 412, Xian 710072, Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Micro-channeled template; Lamellar eutectic; Solidification; Selective dissolution; Intermetallic alloys and compounds;

    机译：微通道模板;层状共晶;固溶;选择性溶解;金属间合金和化合物;

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