The Hall-Petch Relationship in Nanocrystalline Materials

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著者

    • Liu X.D. LIU X. d.
    • Kagami Memorial Laboratory for Materials Science and Technology, Waseda University Kagami Memorial Laboratory for Materials Science and Technology, Waseda University
    • Nagumo M. NAGUMO M.
    • Kagami Memorial Laboratory for Materials Science and Technology, Waseda University Kagami Memorial Laboratory for Materials Science and Technology, Waseda University
    • Umemoto M. UMEMOTO M.
    • Department of Production Systems Engineering, Toyohashi University of Technology Department of Production Systems Engineering, Toyohashi University of Technology

抄録

As a new type of material, the nanocrystalline material has drawn world-wide attention in recent years. As a challenge subject, much work has been done concerning the grain size dependence of mechanical properties, <I>e.g.</I>, on the Hall-Petch relationship of these new materials. The currently-known Hall-Petch relations in the nanocrystalline material were examined in this work with an emphasis on crystallized nanocrystalline materials. Nanocrystalline materials usually show decreased microhardness compared with the prediction from the Hall-Petch relationship and even a negative Hall-Petch slope. The possible mechanisms for above phenomena were analyzed in relation to the quantitative measurements on the microstructures of crystallized nanocrystalline materials by means of positron annihilation spectroscopy and X-ray diffraction.

収録刊行物

  • Materials transactions, JIM  

    Materials transactions, JIM 38(12), 1033-1039, 1997-12-01 

    The Japan Institute of Metals

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各種コード

  • NII論文ID(NAID)
    10002454350
  • NII書誌ID(NCID)
    AA10699969
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    09161821
  • NDL 記事登録ID
    4384530
  • 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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