フェライト系PMステンレス鋼の磁気特性に及ぼす残留気孔の影響 Effect of Residual Pores on Magnetic Properties of PM Ferritic Stainless Steels

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A fundamental study was made mainly on the magnetic properties of the two PM ferritic stainless steels with some residual pores. In this case, powder particle size and sintering conditions (1373-1573K×20-240min) were employed as parameters to the residual pore morphologies of sintered materials.<BR>The results were summarized as follows:<BR>(1) The magnetic properties are more or less sensitive to powder particle size, sintering temperature and time of powder compacts.<BR>(2) Magnetic induction(B<SUB>10</SUB>)behaves as well as electrical resistivity (ρ), almost only depending on sintered density in apparence.<BR>(3) Max.permeability (μm) is fairly changed by powder particle size and sintering conditions for a given sintered density, due to pore shape and crystal grain size.<BR>(4) Coersive force (H<SUB>c</SUB>) is also changed by powder particle size and sintering conditions for a given sintered density, especially due to crystal grain size.<BR>(5) Tensile properties are not largely influenced by pore morphologies, probably because of stress relaxation rising near by residual pores.

収録刊行物

  • 粉体および粉末冶金  

    粉体および粉末冶金 45(7), 685-691, 1998-07-15 

    Japan Society of Powder and Powder Metallurgy

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各種コード

  • NII論文ID(NAID)
    10002052485
  • 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
    4535714
  • 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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