Effect of Li Addition on Synthesis of Mg-Ti BCC Alloys by means of Ball Milling

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The effect of Li addition to Mg on synthesis of Mg-Ti BCC alloys by means of ball milling was studied. Mg–<I>x</I> at%Li (<I>x</I>=4,20,46) alloys prepared by the induction melting method consisted of the HCP phase (Mg-type), the HCP phase + the BCC phase (Li-type) and the BCC phase, respectively. Lattice parameters of the HCP phase decreased with the increase in <I>x</I>, whereas those of the BCC phase at <I>x</I>=20 and 46 were smaller than that of Li. Mg–<I>x</I> at%Li (<I>x</I>=4,20,46) alloys and Ti were milled for 50–200 h in an argon atmosphere. Formation of Mg<SUB>96</SUB>Li<SUB>4</SUB>Ti<SUB>100</SUB> BCC alloy was confirmed by X-ray diffraction (XRD) measurements after 50 h milling. By Li addition to Mg, the synthesis time of the BCC phase was shortened. Li made Mg deformation facile by the activation of the non-basal slips in Mg, and raw materials were efficiently milled. The crystallite size of Ti was readily reduced and formation of the BCC phase was accelerated. The crystallite size and lattice parameter of Mg<SUB>96</SUB>Li<SUB>4</SUB>Ti<SUB>100</SUB> BCC alloy were similar to those of Mg<SUB>100</SUB>Ti<SUB>100</SUB> BCC alloy.

収録刊行物

  • Materials transactions  

    Materials transactions 48(2), 121-126, 2007-02-01 

    The Japan Institute of Metals and Materials

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各種コード

  • NII論文ID(NAID)
    10018508456
  • NII書誌ID(NCID)
    AA1151294X
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    13459678
  • NDL 記事登録ID
    8623567
  • NDL 雑誌分類
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL 請求記号
    Z53-J286
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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