フラーレン(C_<60>, C_<70>)と金属粉末(M=Al, Cu, Fe)とのメカニカルアロイング Mechanical Alloying of Fullerene with Metal Elements

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The characterization and consolidation of mechanically alloyed M<SUB>99.7</SUB>(C<SUB>60</SUB>, C<SUB>70</SUB>)<SUB>0.3</SUB> mol% and M<SUB>84.3</SUB>C<SUB>15.7</SUB> at% (M=Al, Cu, Fe) powders were carried out. The mechanical stability of carbon fullerene(C<SUB>60</SUB>, C<SUB>70</SUB>) was studied in a preliminary experiment prior to MA (metal fullerene). The result has shown that the fcc structure of fullerene (C<SUB>60</SUB>, C<SUB>70</SUB>) remAlns after long time milling. In addition, a new molecule probably a dimer of C<SUB>60</SUB> is formed during milling. The phase changes of the processed powders with milling time were studied using x-ray diffraction and high performance liquid chromatography. The MA powders were subsequently sintered by plasma sintering machine. The phases present, microstructure, hardness of the sintered compacts were studied using TEM, X-ray diffraction and vickers hardness tester. In the Al- and Fe-fullerene system, Al<SUB>4</SUB>C<SUB>3</SUB> and Fe<SUB>3</SUB>C formed during sintering of Al-(C<SUB>60</SUB>, C<SUB>70</SUB>) and Fe-(C<SUB>60</SUB>, C<SUB>70</SUB>) mechanically alloyed powders respectively. In TEM micrographs of Cu-fullerene MA powders very fine Cu particles were observed around MA powder. These fine particles were considerd to be produced by the evaporation of Cu from MA powder by electron beam irradiation. This indicates that the powder is heated by electron beam and separation of Cu and carbon takes place.

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), 731-737, 1996-06-15

    Japan Society of Powder and Powder Metallurgy

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各種コード

  • NII論文ID(NAID)
    10002012380
  • 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
    3976291
  • 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  NDL  J-STAGE 
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