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Thermodynamics of Reducing Refining of Phosphorus from Si-Mn Alloy Using CaO-CaF2 Slag
- Authors
- Shin, Jae Hong; Park, Joo Hyun
- Issue Date
- Dec-2012
- Publisher
- ASM International
- Keywords
- Thermodynamic behaviors; Reducing atmosphere; Phosphorus; Calcium compounds; Iron alloys; Calcium alloys; Slags; Thermodynamics; Silicon alloys; Alloy melt; Refining; Refining mechanisms; Manganese alloys; Logarithmic scale; Constant values; Manganese; Li
- Citation
- Metallurgical and Materials Transactions B: Process Metallurgy and Materials Processing Science, v.43, no.6, pp.1243 - 1246
- Indexed
- SCIE
- Journal Title
- Metallurgical and Materials Transactions B: Process Metallurgy and Materials Processing Science
- Volume
- 43
- Number
- 6
- Start Page
- 1243
- End Page
- 1246
- ISSN
- 1073-5615
- Abstract
- The thermodynamic behavior of phosphide ions in the CaO-CaF2 flux in equilibrium with a SiMn(-Fe) alloy melt was investigated under a strongly reducing atmosphere at 1823 K (1550 A degrees C). The phosphide capacity increased with increasing CaO concentration in the flux before reaching a constant value. The composition for the saturating capacity is in good agreement with the saturation content of CaO in the CaO-CaF2 flux at 1823 K (1550 A degrees C). The relationship between the phosphide capacity and the activity of CaO in the flux exhibited a linear relationship on the logarithmic scale, indicating that phosphorus was removed from the SiMn(-Fe) melt by the reducing refining mechanism. DOI: 10.1007/s11663-012-9722-7 (C) The Minerals, Metals & Materials Society and ASM International 2012
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Related Researcher
- Park, Joo Hyun
- ERICA 공학대학 (DEPARTMENT OF MATERIALS SCIENCE AND CHEMICAL ENGINEERING)