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  1. 400 金属材料研究所
  2. 東北大学研究所報告. A集, 物理学・化学・冶金学

Statistico-Thermodynamical Studies on Fundamental Reactions concerning Steel-Making. VI : On the Configuration of Fe-O Molten Slag and its Interation with Gaseous Oxygen

https://doi.org/10.50974/00042055
https://doi.org/10.50974/00042055
52dc02f1-736e-4bb0-8c83-c4fa20b42492
名前 / ファイル ライセンス アクション
KJ00004196859.pdf KJ00004196859.pdf (801.6 kB)
Item type 紀要論文 / Departmental Bulletin Paper(1)
公開日 2008-05-02
タイトル
タイトル Statistico-Thermodynamical Studies on Fundamental Reactions concerning Steel-Making. VI : On the Configuration of Fe-O Molten Slag and its Interation with Gaseous Oxygen
言語
言語 eng
資源タイプ
資源タイプ識別子 http://purl.org/coar/resource_type/c_6501
資源タイプ departmental bulletin paper
ID登録
ID登録 10.50974/00042055
ID登録タイプ JaLC
著者 TAKEUCHI, Sakae

× TAKEUCHI, Sakae

TAKEUCHI, Sakae

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FURUKAWA, Kazuo

× FURUKAWA, Kazuo

FURUKAWA, Kazuo

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抄録
内容記述タイプ Abstract
内容記述 The iron and oxygen atom-ratio of Fe-O melts is continuously variable by the change of oxygen pressure in the gaseous phase. It is very reasonable that we suppose Fe-O melts are constructed by ionic components Fe^<++>, Fe^<+++> and O^<-->, thanks to the previous results on Fe-O solid-solution phases (ref. previous Reports II and IV) and the electro-conductivity of melts. We assume the following configurational model for Fe-O molten system : (1) Oxygen ions O^<--> are arranged on the face-centered cubic lattice (nearly close-packed), because they are very large compared with iron ions. (2) Fe^<++> ions are distributed on the tetrahedral and octahedral interstitial lattice points of the oxygen-ion lattice. (3) If any tetrahedral lattice point is occupied by a iron ion, its nearest octahedral lattice points are vacant, and it is the same for the nearest neighbors of octahedral iron ions. (4) Positive holes are randomly distributed on Fe^<++> ions, and thus Fe^<+++> ions are formed. Using the above model the partition function of the Fe-O molten slag was formulated by the statistical thermodynamic method, and the equilibrium relation between the slag composition and the pressure of oxygen in gas phase was calculated. These theoretical results are in good agreement with the measured values of Darken and Gurry (1946) in the wide range of pressure, 10^<-10> to 1 atm of O_2, and temperature 1400°to 1600℃.
書誌情報 Science reports of the Research Institutes, Tohoku University. Ser. A, Physics, chemistry and metallurgy

巻 12, p. 137-149, 発行日 1960
ISSN
収録物識別子タイプ ISSN
収録物識別子 00408808
書誌レコードID
収録物識別子タイプ NCID
収録物識別子 AA00836167
フォーマット
内容記述タイプ Other
内容記述 application/pdf
著者版フラグ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
出版者
出版者 Tohoku University
資源タイプ
内容記述タイプ Other
内容記述 紀要類(bulletin)
登録日
日付 2008-05-02
日付タイプ Created
公開日(投稿完了日)
日付 2008-05-02
日付タイプ Created
発行日
日付 1960
日付タイプ Created
フォーマット
内容記述タイプ Other
内容記述 801580 bytes
更新日
日付 2010-01-27
日付タイプ Created
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