メカニカルミリングした準結晶粒子/アルミニウム合金粉末の固化成形性 Consolidation of mechanically milled powder mixture of aluminum and quasicrystalline particle

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A quasi-crystalline Al<SUB>65</SUB>Cu<SUB>20</SUB>Fe<SUB>15</SUB> powder prepared from alloy cast rapidly solidified by metal-mold casting, and then it was mixed to aluminum powder with various volume fractions by mechanical milling. The powder milled for above 50ks made homogeneous dispersion of quasi-crystalline phase with particle size less than 1μm. The powder was hot-pressed under various conditions and then its features of consolidation were examined by the observation of microstructure and fracture strength in 3-point-bending of the compacts. When the milled powder was hot-pressed at higher compacting temperature than 673K for 3.6ks under pressure of 600MPa, the compact became to dense. Hardness of the obtained compact increases and its fracture strength decreases with increasing volume fraction of quasi-crystalline particles. Intermetallic compound Al<SUB>7</SUB>Cu<SUB>2</SUB>Fe forms in the interface of aluminum matrix and quasi-crystalline particle.

収録刊行物

  • 粉体および粉末冶金  

    粉体および粉末冶金 45(10), 995-999, 1998-10-15 

    Japan Society of Powder and Powder Metallurgy

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各種コード

  • NII論文ID(NAID)
    10002053091
  • 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
    4585469
  • 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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