熱分解法によるマグネタイト被覆センダスト粒子の調製と焼結 Preparation and Sintering of Sendust Coated with Magnetite Powders by Pyrolysis

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抄録

The most suitable producing conditions and degree of densification of sendust (Fe-Si-Al alloy) coated with magnetite powders were investigated from the standpoint of the thermal decomposition. Ferrous formate powders obtained by the precipitation method were used for the coating material of commercial sendust powders. Sendust powders coated with magnetite powders were successfully prepared by pyrolyzing the mixture of fine ferrous formate powders and sendust powders with weight ratio of 1 at 400-1000°C for 1h. The thermal stability of the coated sendust powders under a continued heating at 700-1000°C in a CO<SUB>2</SUB> gas flow was significantly high. The degree of densification of the compacts composed of the coated powders and an additive of excess magnetite was higher than those of the compacts with only coated powder, when fired at 1000°C for 5h.

収録刊行物

  • 粉体および粉末冶金  

    粉体および粉末冶金 45(1), 68-72, 1998-01-15 

    Japan Society of Powder and Powder Metallurgy

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各種コード

  • NII論文ID(NAID)
    10002014943
  • 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
    4392667
  • 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  NDL  J-STAGE 
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