異周速圧延による5083アルミニウム合金の再結晶粒微細化 Recrystallized grain refinement of a 5083 aluminum alloy by differential speed rolling

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著者

    • 崔 祺 CUI Qi
    • 三菱アルミニウム(株)技術開発センター Technical Development Center Mitsubishi Aluminum Co., Ltd.
    • 大堀 紘一 OHORI Koichi
    • 三菱アルミニウム(株)技術開発センター Technical Development Center Mitsubishi Aluminum Co., Ltd.

抄録

For the purpose of grain refinement, recrystallizing behavior of differential-speed-rolled sheet of a 5083 aluminum alloy were studied by the electron back scatter pattern (EBSP) as well as optical and transmission microscopy observation, and compared with those of conventionally rolled sheet. In the same reduction, tensile strength, yield strength and hardness of differential-speed-rolled sheet are higher than those of conventionally rolled sheet. After annealing, the recrystallized grain size in differential-speed-rolled sheet is finer than that in conventionally rolled sheet. Especially, fine recrystallized grains with an average size of 2.7 μm were obtained in 91% differential-speed-rolled sheet. The fine grains might have been evolved in such a way that a lot of fine zones with high misorientation are invited by the complicated plastic deformation, peculiar to differential speed rolling with additional shear deformation, and they become continuously fine grains during subsequent annealing.

収録刊行物

  • 軽金属  

    軽金属 50(7), 335-340, 2000-07-30 

    The Japan Institute of Light Metals

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各種コード

  • NII論文ID(NAID)
    10004549322
  • 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
    5411703
  • 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  CJP引用  NDL  J-STAGE 
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