Interfacial tension between molten iron and CaO-SiO2 based fluxes

Haiping Sun, Kunihiko Nakashima, Katsumi Mori

研究成果: ジャーナルへの寄稿記事

21 引用 (Scopus)

抄録

Flux-metal interfacial tension has been examined by X-ray photography of a metal drop melted in a molten flux. The experiments were carried out at 1 580°C using a zirconia crucible with low solubility in the fluxes. The systems used in the investigation were as follows: Metal phase: Fe-O alloy, oxygen content in the alloys varied from 0.002 to 0.070 mass%. Flux phase: Ternary system: CaO-SiO2-Mx(F,0)y, where Mx(F,0)y represents NaF, CaF2, Al2O303, Na2O, MgO, Li2O or ZrO2 and concentrations varied from 2 to 40 mass%. Multicomponent system: CaO-SiO2-Al2O3-Fe2O 3-Na2O-NaF -CaF2-MgO-Li2O-ZrO2. The interfacial tension was observed to increase with increasing NaF, CaF2, Na2O, MgO or Li2O contents, while only minor changes in the values were observed with varying Al2O3 or ZrO22 contents in CaO-SiO2 or CaO-SiO2-Al2O3 systems. The interfacial tensions between flux and molten iron decreased with increasing oxygen activity in iron. γ = γ0-0.324 In (1+116ao).

元の言語英語
ページ(範囲)323-331
ページ数9
ジャーナルisij international
37
発行部数4
DOI
出版物ステータス出版済み - 1 1 1997

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Surface tension
Molten materials
Iron
Fluxes
Metals
Oxygen
Radiography
Crucibles
Ternary systems
Zirconia
Solubility
sodium oxide
Experiments

All Science Journal Classification (ASJC) codes

  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry

これを引用

Interfacial tension between molten iron and CaO-SiO2 based fluxes. / Sun, Haiping; Nakashima, Kunihiko; Mori, Katsumi.

:: isij international, 巻 37, 番号 4, 01.01.1997, p. 323-331.

研究成果: ジャーナルへの寄稿記事

Sun, Haiping ; Nakashima, Kunihiko ; Mori, Katsumi. / Interfacial tension between molten iron and CaO-SiO2 based fluxes. :: isij international. 1997 ; 巻 37, 番号 4. pp. 323-331.
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abstract = "Flux-metal interfacial tension has been examined by X-ray photography of a metal drop melted in a molten flux. The experiments were carried out at 1 580°C using a zirconia crucible with low solubility in the fluxes. The systems used in the investigation were as follows: Metal phase: Fe-O alloy, oxygen content in the alloys varied from 0.002 to 0.070 mass{\%}. Flux phase: Ternary system: CaO-SiO2-Mx(F,0)y, where Mx(F,0)y represents NaF, CaF2, Al2O303, Na2O, MgO, Li2O or ZrO2 and concentrations varied from 2 to 40 mass{\%}. Multicomponent system: CaO-SiO2-Al2O3-Fe2O 3-Na2O-NaF -CaF2-MgO-Li2O-ZrO2. The interfacial tension was observed to increase with increasing NaF, CaF2, Na2O, MgO or Li2O contents, while only minor changes in the values were observed with varying Al2O3 or ZrO22 contents in CaO-SiO2 or CaO-SiO2-Al2O3 systems. The interfacial tensions between flux and molten iron decreased with increasing oxygen activity in iron. γ = γ0-0.324 In (1+116ao).",
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