急冷凝固したMg-Al-Zn合金の構造と機械的性質 Mechanical Properties and Structures of Rapidly Solidified Mg-Al-Zn Alloy

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  Rapidly solidified Mg-Al-Zn alloys were prepared by the single role melt-spinning method. It is well known that Mg-Al-Zn alloys consist of quasi crystals. The rapidly solidified ribbon had a width of 700 μm and a thickness of 20 μm. The structure of the ribbons was investigated by XRD and TEM, and their thermal stability was analyzed using DSC. The mechanical properties of the ribbons were measured. Some ribbons were mechanically ground. The results of the DSC analysis indicate that Mg<sub>32</sub>Al<sub>13</sub>Zn<sub>36</sub> alloy ribbons consist of thermally stable quasicrystals. The strength of the Mg<sub>32</sub>Al<sub>16</sub>Zn<sub>33</sub> alloy ribbons consisting of both the metastable quasicrystals and approximants was found to be the highest. After milling, the Mg<sub>32</sub>Al<sub>13</sub>Zn<sub>36</sub> alloy ribbons remained in the quasicrystal state but the other ribbons were found to change into intermetallic compounds. The Mg<sub>32</sub>Al<sub>13</sub>Zn<sub>36</sub> alloy ribbons were consolidated at the condition of 573 K and 250 MPa by PCS. After sintering, the quasicrystal phase transformed into approximants.

収録刊行物

  • 鋳造工学 = Journal of Japan Foundry Engineering Society  

    鋳造工学 = Journal of Japan Foundry Engineering Society 71(5), 295-300, 1999-05 

    Japan Foundry Engineering Society

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各種コード

  • NII論文ID(NAID)
    10002555046
  • NII書誌ID(NCID)
    AN10514770
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    13420429
  • NDL 記事登録ID
    4734034
  • NDL 雑誌分類
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL 請求記号
    Z17-277
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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