アトマイズ法により作製された亜共晶Fe-C系鋳鉄系粉末のパルス通電焼結特性(III) -アトマイズ鋳鉄粉末多孔質焼結体の強度特性- Pulse Electric Current Sintering Behavior of Atomized Cast-iron Powder of Fe-C System Containing Hypo-eutectic Carbon (III) -Mechanical Properties of Atomized Cast-iron Porous Sintered Body-

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The relationships between the bending strength and the relative density in the atomized cast-iron porous sintered bodies, which were made by the vacuum sintering method and the pulse electric current sintering method, were studied. The results were as follows:<BR>(1) In the vacuum sintered body, the bending strength depended on the carbon content of powder. The bending strength of both the relative density over 65% of Fe-2.46mass%C compact and the relative density over 90% of Fe-3.96mass%C compact were dependent on the particle size, and the bending strength of the sintered body made from small size powder was larger than that of made from large size powder.<BR>(2) In the pulse electric current sintered body, the bending strength did not depend on the particle size, the carbon content and the sintering condition.<BR>(3) In the relative density range from 60% to 90%, the bending strength of the vacuum sintered body was larger than that of the pulse electric current sintered body. Over the relative density 90%, the bending strength of the pulse electric current sintered body was larger than that of the vacuum sintered body. In the low relative density range (60-90%), the bending strength was affected by the pore shape. However, in the high relative density range (90%-), the bending strength was influenced by the size of Fe<SUB>3</SUB>C.

収録刊行物

  • 粉体および粉末冶金  

    粉体および粉末冶金 45(8), 715-720, 1998-08-15 

    Japan Society of Powder and Powder Metallurgy

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各種コード

  • NII論文ID(NAID)
    10002052536
  • 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
    4540061
  • 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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