Thermodynamic Considerations on Desulfurization of Cast Iron in Vacuum Melting

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概要

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• In order to explain the desulfurization process in vacuum melting of cast iron, the alloy systems of Fe-S, Fe-C-S, Fe-Si-S, and Fe-C-Si-S were melted in vacuum, and considerable desulfurization was recognized in Fe-C-S, Fe-Si-S, and Fe-C-Si-S alloys. The desulfurization process was considered from the equilibrium conditions for desulfurization reactions. Relations between the desulfurization and the concentrations of carbon and silicon in Fe-C-S, Fe-Si-S, and Fe-C-Si-S alloys were explained on the basis of the phase rule. An Fe-C-S alloy was also melted in vacuum in a graphite crucible at 1300〜1700℃, and the comparison was made between the experimental results and those calculated from equilibrium relation derived from thermodynamic data.

• 東北大学の論文

著者

• OHNO Reiichi

  The Research Institute for Iron, Steel and Other Metals

• Ohno Reiichi

  The Research Instite For Iron Steel And Other Metals

• Ohno R.

  The Research Institute for Iron, Steel and Other Metals

関連論文

• Study of Magnesium Treated Nodular Cast Iron by Reducing in the Electric-Arc Furnace
• Behavior of Sulfur in Cast Iron
• A Rate Equation for the Solution of Solid Iron in Liquid Copper
• Thermodynamic Considerations on Desulfurization of Cast Iron in Vacuum Melting
• Kinetic Study of Desulfurization and Deoxidation of Ferroalloys in Vacuum Melting
• Research on the Structural Changes of Cast Iron by Contact Meltlng with Various Oxides
• Rates of Dissolution of Rotating Cobalt Cylinders in Liquid Copper and Cu-Co Alloys
• Deoxidation of Fe-C and Fe-Si Alloys under Reduced Pressures
• Rate of Desulfurization of Ferroalloys in Vacuum Melting

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