高強度P/Mアルミニウム合金の摩耗特性 Wear Properties of High-Strength P/M Aluminum Alloys

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High- strength P/M aluminum alloys of Al-Ni-Y-Co, AI-Si-Ni-Ce and Al-Ti-Fe-TM (TM: Cr, Mo, V, Zr) systems were prepared by extrusion of rapidly solidified powders which were produced by high-pressure He gas atomization. It was found that wear resistance of the P/M aluminum alloys thus prepared was better than that of the conventional aluminum alloys. A1<SUB>89</SUB>(Ni<SUB>0.33</SUB>Y<SUB>0.54</SUB>Co<SUB>0.13</SUB>)<SUB>11</SUB> alloy had the best wear resistance among the P/M aluminum alloys studied in this experiment. In order to investigate the cause of the difference of wear properties in those P/M aluminum alloys, wear traces and wear particles were analized by EPMA, SEM, TEM and Micro-Vickers hardness measurement. It was found that the hard oxide layer was formed on the surface of the wear trace in Al<SUB>89</SUB>(Ni<SUB>0.33</SUB>Y<SUB>0.54</SUB>Co<SUB>0.13</SUB>)<SUB>11</SUB> alloy. However, in the case of Al<SUB>78.5</SUB>Si<SUB>1.9</SUB>Ni<SUB>2</SUB>Ce<SUB>0.5</SUB> alloy, wear particles were included in the surface of the wear trace. It is considered that the oxidation of wear surface and the stability of the formed oxide layer significantly influenced wear resistance of the P/M aluminum alloy.

収録刊行物

  • 粉体および粉末冶金  

    粉体および粉末冶金 45(6), 590-595, 1998-06-15 

    Japan Society of Powder and Powder Metallurgy

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各種コード

  • NII論文ID(NAID)
    10002052311
  • 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
    4502285
  • 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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