Fe-Cr-O 系状態図に関する研究 Study on Phase Diagram of Fe-Cr-O System

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To study the defect structure in tetragonal chromite, its density, thermogravimetic, property, electric resistance and thermo e.m.f. were measured. Furthermore the influence of nitrogen or carbon on the formation of tetragonal chromite was studied. The results obtained are as follows : 1) The effect of nitrogen or carbon on the formation of the tetragonal chromite was not determined. 2) Results from thermogravimetric studies have shown good agreement with those from X-ray studies. 3) Isothermal phase diagram of Fe-Cr-O system at 1600℃ was established. The relationshp between the chromium content of Fe-Cr melt and the oxide phase equilibrated was determined. { below 1%Cr-cubic chromite 1∿7%Cr-c/α=1∿0.95 above 7%Cr-Cr_2O_3 4) From single phase region of chromite, the chemical composition of chromite having axial ratio c/α=0.95 was determined as (Fe_<0.26>・Cr_<0.74>)_<3.04>O_4. 5) Defect structures in cubic and tetragonal chromites were confirmed.

収録刊行物

  • 鐵と鋼 : 日本鐡鋼協會々誌   [巻号一覧]

    鐵と鋼 : 日本鐡鋼協會々誌 56(6), 727-733, 1970-05-01  [この号の目次]

    社団法人日本鉄鋼協会

各種コード

  • NII論文ID(NAID)
    110001462113
  • NII書誌ID(NCID)
    AN00151251
  • 本文言語コード
    JPN
  • ISSN
    00211575
  • NDL 記事登録ID
    8310960
  • NDL 雑誌分類
    ZP42(科学技術--金属工学・鉱山工学--鉄鋼)
  • NDL 請求記号
    Z17-356
  • データ提供元
    NDL  NII-ELS 
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