化学的共沈法並びに熱処理によるSr-Mフェライト微粒子の磁気特性-第2報- Magnetic Properties of Sr-M Ferrite Fine Particles Prepared by Controlling the Chemical Coprecipitation Method and Heat Treatment -The Second Report-

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This experiment was carried out to investigate the new process of the preparation of fine particles of SrO⋅6Fe<SUB>2</SUB>O<SUB>3</SUB> with single phase by controlling the chemical coprecipitation(a solution containing Fe<SUP>3+</SUP> and Sr<SUP>2+</SUP> in the ratio 10.0-12.0) and succeeding heat treatment. The new process is performed with successive as follows ; coprecipitation→boiling→drying→heat treatment. The conventional process was characterized by the washing after the coprecipitation. The conditions determined as optimum for preparing the fine powders with best values of σ<SUB>s</SUB>= 90.5 × 10<SUP>-6</SUP> Wb⋅m/kg, H<SUB>cJ</SUB>=350.1kA/m, average anisotropy field H<SUB>Aavc</SUB>=915.1 kA/m and T<SUB>c</SUB>= 464°C are as follows: solution composition ; Fe<SUP>3+</SUP>/Sr<SUP>2+</SUP>=10.5 ; pH=13.0 ; heat treatment ; 1000°C for 2hs in air.

収録刊行物

  • 粉体および粉末冶金

    粉体および粉末冶金 43(1), 13-18, 1996-01-15

    Japan Society of Powder and Powder Metallurgy

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各種コード

  • NII論文ID(NAID)
    10002010982
  • 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
    3918027
  • 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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