Mg-LiおよびMg-Li-Zr系合金の軟化および再結晶挙動 Softening and recrystallization behavior of Mg-Li and Mg-Li-Zr alloys

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Binary Mg–Li and ternary Mg–Li–Zr alloys with α or β single phase, and (α+β) two phases were cold rolled and then annealed at temperatures between 325 K and 525 K. Softening and recrystallization processes of these alloys were investigated by micro Vickers hardness measurement, and optical and electron microscopic observation. The recrystallization of the binary alloy with the α phase occurred at 360 K, and deformation twins and slip bands acted as nuclei for new recrystallized grains. Addition of Zr suppressed the recrystallization and the recrystallization temperature of the ternary alloy was about 90 K higher than that of the binary alloy. The (α+β) phases were effective in suppressing the recrystallization and softening of these alloys at high temperatures, because needle-like precipitates formed in β phase during annealing and they suppressed grain growth.

収録刊行物

  • 軽金属

    軽金属 46(1), 3-8, 1996-01-30

    The Japan Institute of Light Metals

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各種コード

  • NII論文ID(NAID)
    10003793299
  • NII書誌ID(NCID)
    AN00069773
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    04515994
  • NDL 記事登録ID
    3918057
  • NDL 雑誌分類
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL 請求記号
    Z17-284
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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