グラファイトのメカニカルミリングによる構造変化 Structural Change of Graphite by Mechanical Milling

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抄録

The crystal structure of graphite is characterized by layers, the large separation of which (3.35 Å) compared with the C-C bond length of 1.42Å in the layers indicates relatively feeble binding between the atoms of different layers. X-ray diffraction patterns indicate that the layer structure of the graphite was transformed into amorphous-like one by mechanical milling. TEM image also shows that the layer structure of graphite has disappeared after milling. This suggests that the milling conducts a large amount of strains in the layers. The atomic distribution within 3 Å in the radial distribution function RDF(r) observed by neutron diffraction indicates no drastic change in position. On the contrary, the coordination number of the 1st nearest neighbor gradually decreased with increasing milling time. The results allow us to conclude that the size of the graphite becomes smaller by milling and approaches to be about 30 Å in diameter in plane after 36 hours of milling.

収録刊行物

  • 粉体および粉末冶金  

    粉体および粉末冶金 43(6), 738-741, 1996-06-15 

    Japan Society of Powder and Powder Metallurgy

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各種コード

  • NII論文ID(NAID)
    10002012390
  • NII書誌ID(NCID)
    AN00222724
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    05328799
  • NDL 記事登録ID
    3976292
  • NDL 雑誌分類
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL 請求記号
    Z17-274
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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