Influence of $ CaF_{2} $ on the Viscosity and Structure of Manganese Ferroalloys Smelting Slags
Abstract Addition of $ CaF_{2 } $to the CaO-$ SiO_{2} $-MnO (CaO/$ SiO_{2 } $= 0.5) system, which corresponds qualitatively to a silicomanganese ferroalloy smelting slag, affected not only the critical (crystallization) temperature (TCR) but also the viscosity at high temperatures, and its influence...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Park, Joo Hyun [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2014 |
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| Schlagwörter: |
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| Anmerkung: |
© The Minerals, Metals & Materials Society and ASM International 2014 |
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| Übergeordnetes Werk: |
Enthalten in: Metallurgical and materials transactions - New York, NY : Springer Sciences & Business Media, 1975, 46(2014), 2 vom: 24. Dez., Seite 741-748 |
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| Übergeordnetes Werk: |
volume:46 ; year:2014 ; number:2 ; day:24 ; month:12 ; pages:741-748 |
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| DOI / URN: |
10.1007/s11663-014-0269-7 |
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| Katalog-ID: |
SPR02145793X |
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| 100 | 1 | |a Park, Joo Hyun |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Influence of $ CaF_{2} $ on the Viscosity and Structure of Manganese Ferroalloys Smelting Slags |
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| 520 | |a Abstract Addition of $ CaF_{2 } $to the CaO-$ SiO_{2} $-MnO (CaO/$ SiO_{2 } $= 0.5) system, which corresponds qualitatively to a silicomanganese ferroalloy smelting slag, affected not only the critical (crystallization) temperature (TCR) but also the viscosity at high temperatures, and its influence on slag properties was strongly dependent on the content of MnO in the slag. The viscosity of $ CaF_{2} $-free 10 mass pct MnO slag was relatively high, i.e., about 10 dPa s at 1773 K (1500 °C), but decreased continuously upon addition of $ CaF_{2 } $to the system. In contrast, the viscosity of the 40 pct MnO system was very low, i.e., 1 dPa s at 1773 K (1500 °C), and $ CaF_{2 } $did not have a large effect. This indicates that $ Mn^{2+} $ is a strong network modifier in manganese ferroalloy smelting slags. Nevertheless, $ CaF_{2 } $addition was very effective at decreasing the viscosity of low MnO slags at low temperatures. The activation energy for the viscous flow of silicate melts decreased linearly in response to $ CaF_{2} $ addition, but this tendency was less pronounced in the more basic composition of the slag. The effect of $ CaF_{2 } $on the viscosity and activation energy for viscous flow of melts was analyzed quantitatively using micro-Raman spectra of quenched glass samples and the silicate polymerization index, i.e., $ Q^{3} $/$ Q^{2 } $ratio. The polymerization index decreased continuously with increasing $ CaF_{2 } $content in less basic (10 pct MnO or C/S = 0.5) slags, whereas it was not affected by $ CaF_{2 } $content in highly basic (40 pct MnO and C/S = 1.0) slags. Bulk thermophysical properties of the CaO-$ SiO_{2} $-MnO-$ CaF_{2 } $slags were quantitatively correlated with the structural information of the slags. | ||
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| 700 | 1 | |a Ko, Kyu Yeol |4 aut | |
| 700 | 1 | |a Kim, Tae Sung |4 aut | |
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10.1007/s11663-014-0269-7 doi (DE-627)SPR02145793X (SPR)s11663-014-0269-7-e DE-627 ger DE-627 rakwb eng Park, Joo Hyun verfasserin aut Influence of $ CaF_{2} $ on the Viscosity and Structure of Manganese Ferroalloys Smelting Slags 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Minerals, Metals & Materials Society and ASM International 2014 Abstract Addition of $ CaF_{2 } $to the CaO-$ SiO_{2} $-MnO (CaO/$ SiO_{2 } $= 0.5) system, which corresponds qualitatively to a silicomanganese ferroalloy smelting slag, affected not only the critical (crystallization) temperature (TCR) but also the viscosity at high temperatures, and its influence on slag properties was strongly dependent on the content of MnO in the slag. The viscosity of $ CaF_{2} $-free 10 mass pct MnO slag was relatively high, i.e., about 10 dPa s at 1773 K (1500 °C), but decreased continuously upon addition of $ CaF_{2 } $to the system. In contrast, the viscosity of the 40 pct MnO system was very low, i.e., 1 dPa s at 1773 K (1500 °C), and $ CaF_{2 } $did not have a large effect. This indicates that $ Mn^{2+} $ is a strong network modifier in manganese ferroalloy smelting slags. Nevertheless, $ CaF_{2 } $addition was very effective at decreasing the viscosity of low MnO slags at low temperatures. The activation energy for the viscous flow of silicate melts decreased linearly in response to $ CaF_{2} $ addition, but this tendency was less pronounced in the more basic composition of the slag. The effect of $ CaF_{2 } $on the viscosity and activation energy for viscous flow of melts was analyzed quantitatively using micro-Raman spectra of quenched glass samples and the silicate polymerization index, i.e., $ Q^{3} $/$ Q^{2 } $ratio. The polymerization index decreased continuously with increasing $ CaF_{2 } $content in less basic (10 pct MnO or C/S = 0.5) slags, whereas it was not affected by $ CaF_{2 } $content in highly basic (40 pct MnO and C/S = 1.0) slags. Bulk thermophysical properties of the CaO-$ SiO_{2} $-MnO-$ CaF_{2 } $slags were quantitatively correlated with the structural information of the slags. CaF2 (dpeaa)DE-He213 Viscous Flow (dpeaa)DE-He213 Silicate Network (dpeaa)DE-He213 CaF2 Content (dpeaa)DE-He213 Gaussian Deconvolution (dpeaa)DE-He213 Ko, Kyu Yeol aut Kim, Tae Sung aut Enthalten in Metallurgical and materials transactions New York, NY : Springer Sciences & Business Media, 1975 46(2014), 2 vom: 24. Dez., Seite 741-748 (DE-627)325572062 (DE-600)2037524-4 1543-1916 nnns volume:46 year:2014 number:2 day:24 month:12 pages:741-748 https://dx.doi.org/10.1007/s11663-014-0269-7 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 46 2014 2 24 12 741-748 |
| spelling |
10.1007/s11663-014-0269-7 doi (DE-627)SPR02145793X (SPR)s11663-014-0269-7-e DE-627 ger DE-627 rakwb eng Park, Joo Hyun verfasserin aut Influence of $ CaF_{2} $ on the Viscosity and Structure of Manganese Ferroalloys Smelting Slags 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Minerals, Metals & Materials Society and ASM International 2014 Abstract Addition of $ CaF_{2 } $to the CaO-$ SiO_{2} $-MnO (CaO/$ SiO_{2 } $= 0.5) system, which corresponds qualitatively to a silicomanganese ferroalloy smelting slag, affected not only the critical (crystallization) temperature (TCR) but also the viscosity at high temperatures, and its influence on slag properties was strongly dependent on the content of MnO in the slag. The viscosity of $ CaF_{2} $-free 10 mass pct MnO slag was relatively high, i.e., about 10 dPa s at 1773 K (1500 °C), but decreased continuously upon addition of $ CaF_{2 } $to the system. In contrast, the viscosity of the 40 pct MnO system was very low, i.e., 1 dPa s at 1773 K (1500 °C), and $ CaF_{2 } $did not have a large effect. This indicates that $ Mn^{2+} $ is a strong network modifier in manganese ferroalloy smelting slags. Nevertheless, $ CaF_{2 } $addition was very effective at decreasing the viscosity of low MnO slags at low temperatures. The activation energy for the viscous flow of silicate melts decreased linearly in response to $ CaF_{2} $ addition, but this tendency was less pronounced in the more basic composition of the slag. The effect of $ CaF_{2 } $on the viscosity and activation energy for viscous flow of melts was analyzed quantitatively using micro-Raman spectra of quenched glass samples and the silicate polymerization index, i.e., $ Q^{3} $/$ Q^{2 } $ratio. The polymerization index decreased continuously with increasing $ CaF_{2 } $content in less basic (10 pct MnO or C/S = 0.5) slags, whereas it was not affected by $ CaF_{2 } $content in highly basic (40 pct MnO and C/S = 1.0) slags. Bulk thermophysical properties of the CaO-$ SiO_{2} $-MnO-$ CaF_{2 } $slags were quantitatively correlated with the structural information of the slags. CaF2 (dpeaa)DE-He213 Viscous Flow (dpeaa)DE-He213 Silicate Network (dpeaa)DE-He213 CaF2 Content (dpeaa)DE-He213 Gaussian Deconvolution (dpeaa)DE-He213 Ko, Kyu Yeol aut Kim, Tae Sung aut Enthalten in Metallurgical and materials transactions New York, NY : Springer Sciences & Business Media, 1975 46(2014), 2 vom: 24. Dez., Seite 741-748 (DE-627)325572062 (DE-600)2037524-4 1543-1916 nnns volume:46 year:2014 number:2 day:24 month:12 pages:741-748 https://dx.doi.org/10.1007/s11663-014-0269-7 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 46 2014 2 24 12 741-748 |
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10.1007/s11663-014-0269-7 doi (DE-627)SPR02145793X (SPR)s11663-014-0269-7-e DE-627 ger DE-627 rakwb eng Park, Joo Hyun verfasserin aut Influence of $ CaF_{2} $ on the Viscosity and Structure of Manganese Ferroalloys Smelting Slags 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Minerals, Metals & Materials Society and ASM International 2014 Abstract Addition of $ CaF_{2 } $to the CaO-$ SiO_{2} $-MnO (CaO/$ SiO_{2 } $= 0.5) system, which corresponds qualitatively to a silicomanganese ferroalloy smelting slag, affected not only the critical (crystallization) temperature (TCR) but also the viscosity at high temperatures, and its influence on slag properties was strongly dependent on the content of MnO in the slag. The viscosity of $ CaF_{2} $-free 10 mass pct MnO slag was relatively high, i.e., about 10 dPa s at 1773 K (1500 °C), but decreased continuously upon addition of $ CaF_{2 } $to the system. In contrast, the viscosity of the 40 pct MnO system was very low, i.e., 1 dPa s at 1773 K (1500 °C), and $ CaF_{2 } $did not have a large effect. This indicates that $ Mn^{2+} $ is a strong network modifier in manganese ferroalloy smelting slags. Nevertheless, $ CaF_{2 } $addition was very effective at decreasing the viscosity of low MnO slags at low temperatures. The activation energy for the viscous flow of silicate melts decreased linearly in response to $ CaF_{2} $ addition, but this tendency was less pronounced in the more basic composition of the slag. The effect of $ CaF_{2 } $on the viscosity and activation energy for viscous flow of melts was analyzed quantitatively using micro-Raman spectra of quenched glass samples and the silicate polymerization index, i.e., $ Q^{3} $/$ Q^{2 } $ratio. The polymerization index decreased continuously with increasing $ CaF_{2 } $content in less basic (10 pct MnO or C/S = 0.5) slags, whereas it was not affected by $ CaF_{2 } $content in highly basic (40 pct MnO and C/S = 1.0) slags. Bulk thermophysical properties of the CaO-$ SiO_{2} $-MnO-$ CaF_{2 } $slags were quantitatively correlated with the structural information of the slags. CaF2 (dpeaa)DE-He213 Viscous Flow (dpeaa)DE-He213 Silicate Network (dpeaa)DE-He213 CaF2 Content (dpeaa)DE-He213 Gaussian Deconvolution (dpeaa)DE-He213 Ko, Kyu Yeol aut Kim, Tae Sung aut Enthalten in Metallurgical and materials transactions New York, NY : Springer Sciences & Business Media, 1975 46(2014), 2 vom: 24. Dez., Seite 741-748 (DE-627)325572062 (DE-600)2037524-4 1543-1916 nnns volume:46 year:2014 number:2 day:24 month:12 pages:741-748 https://dx.doi.org/10.1007/s11663-014-0269-7 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 46 2014 2 24 12 741-748 |
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10.1007/s11663-014-0269-7 doi (DE-627)SPR02145793X (SPR)s11663-014-0269-7-e DE-627 ger DE-627 rakwb eng Park, Joo Hyun verfasserin aut Influence of $ CaF_{2} $ on the Viscosity and Structure of Manganese Ferroalloys Smelting Slags 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Minerals, Metals & Materials Society and ASM International 2014 Abstract Addition of $ CaF_{2 } $to the CaO-$ SiO_{2} $-MnO (CaO/$ SiO_{2 } $= 0.5) system, which corresponds qualitatively to a silicomanganese ferroalloy smelting slag, affected not only the critical (crystallization) temperature (TCR) but also the viscosity at high temperatures, and its influence on slag properties was strongly dependent on the content of MnO in the slag. The viscosity of $ CaF_{2} $-free 10 mass pct MnO slag was relatively high, i.e., about 10 dPa s at 1773 K (1500 °C), but decreased continuously upon addition of $ CaF_{2 } $to the system. In contrast, the viscosity of the 40 pct MnO system was very low, i.e., 1 dPa s at 1773 K (1500 °C), and $ CaF_{2 } $did not have a large effect. This indicates that $ Mn^{2+} $ is a strong network modifier in manganese ferroalloy smelting slags. Nevertheless, $ CaF_{2 } $addition was very effective at decreasing the viscosity of low MnO slags at low temperatures. The activation energy for the viscous flow of silicate melts decreased linearly in response to $ CaF_{2} $ addition, but this tendency was less pronounced in the more basic composition of the slag. The effect of $ CaF_{2 } $on the viscosity and activation energy for viscous flow of melts was analyzed quantitatively using micro-Raman spectra of quenched glass samples and the silicate polymerization index, i.e., $ Q^{3} $/$ Q^{2 } $ratio. The polymerization index decreased continuously with increasing $ CaF_{2 } $content in less basic (10 pct MnO or C/S = 0.5) slags, whereas it was not affected by $ CaF_{2 } $content in highly basic (40 pct MnO and C/S = 1.0) slags. Bulk thermophysical properties of the CaO-$ SiO_{2} $-MnO-$ CaF_{2 } $slags were quantitatively correlated with the structural information of the slags. CaF2 (dpeaa)DE-He213 Viscous Flow (dpeaa)DE-He213 Silicate Network (dpeaa)DE-He213 CaF2 Content (dpeaa)DE-He213 Gaussian Deconvolution (dpeaa)DE-He213 Ko, Kyu Yeol aut Kim, Tae Sung aut Enthalten in Metallurgical and materials transactions New York, NY : Springer Sciences & Business Media, 1975 46(2014), 2 vom: 24. Dez., Seite 741-748 (DE-627)325572062 (DE-600)2037524-4 1543-1916 nnns volume:46 year:2014 number:2 day:24 month:12 pages:741-748 https://dx.doi.org/10.1007/s11663-014-0269-7 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 46 2014 2 24 12 741-748 |
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10.1007/s11663-014-0269-7 doi (DE-627)SPR02145793X (SPR)s11663-014-0269-7-e DE-627 ger DE-627 rakwb eng Park, Joo Hyun verfasserin aut Influence of $ CaF_{2} $ on the Viscosity and Structure of Manganese Ferroalloys Smelting Slags 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Minerals, Metals & Materials Society and ASM International 2014 Abstract Addition of $ CaF_{2 } $to the CaO-$ SiO_{2} $-MnO (CaO/$ SiO_{2 } $= 0.5) system, which corresponds qualitatively to a silicomanganese ferroalloy smelting slag, affected not only the critical (crystallization) temperature (TCR) but also the viscosity at high temperatures, and its influence on slag properties was strongly dependent on the content of MnO in the slag. The viscosity of $ CaF_{2} $-free 10 mass pct MnO slag was relatively high, i.e., about 10 dPa s at 1773 K (1500 °C), but decreased continuously upon addition of $ CaF_{2 } $to the system. In contrast, the viscosity of the 40 pct MnO system was very low, i.e., 1 dPa s at 1773 K (1500 °C), and $ CaF_{2 } $did not have a large effect. This indicates that $ Mn^{2+} $ is a strong network modifier in manganese ferroalloy smelting slags. Nevertheless, $ CaF_{2 } $addition was very effective at decreasing the viscosity of low MnO slags at low temperatures. The activation energy for the viscous flow of silicate melts decreased linearly in response to $ CaF_{2} $ addition, but this tendency was less pronounced in the more basic composition of the slag. The effect of $ CaF_{2 } $on the viscosity and activation energy for viscous flow of melts was analyzed quantitatively using micro-Raman spectra of quenched glass samples and the silicate polymerization index, i.e., $ Q^{3} $/$ Q^{2 } $ratio. The polymerization index decreased continuously with increasing $ CaF_{2 } $content in less basic (10 pct MnO or C/S = 0.5) slags, whereas it was not affected by $ CaF_{2 } $content in highly basic (40 pct MnO and C/S = 1.0) slags. Bulk thermophysical properties of the CaO-$ SiO_{2} $-MnO-$ CaF_{2 } $slags were quantitatively correlated with the structural information of the slags. CaF2 (dpeaa)DE-He213 Viscous Flow (dpeaa)DE-He213 Silicate Network (dpeaa)DE-He213 CaF2 Content (dpeaa)DE-He213 Gaussian Deconvolution (dpeaa)DE-He213 Ko, Kyu Yeol aut Kim, Tae Sung aut Enthalten in Metallurgical and materials transactions New York, NY : Springer Sciences & Business Media, 1975 46(2014), 2 vom: 24. Dez., Seite 741-748 (DE-627)325572062 (DE-600)2037524-4 1543-1916 nnns volume:46 year:2014 number:2 day:24 month:12 pages:741-748 https://dx.doi.org/10.1007/s11663-014-0269-7 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 46 2014 2 24 12 741-748 |
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Enthalten in Metallurgical and materials transactions 46(2014), 2 vom: 24. Dez., Seite 741-748 volume:46 year:2014 number:2 day:24 month:12 pages:741-748 |
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Enthalten in Metallurgical and materials transactions 46(2014), 2 vom: 24. Dez., Seite 741-748 volume:46 year:2014 number:2 day:24 month:12 pages:741-748 |
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CaF2 Viscous Flow Silicate Network CaF2 Content Gaussian Deconvolution |
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Metallurgical and materials transactions |
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Park, Joo Hyun @@aut@@ Ko, Kyu Yeol @@aut@@ Kim, Tae Sung @@aut@@ |
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2014-12-24T00:00:00Z |
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The viscosity of $ CaF_{2} $-free 10 mass pct MnO slag was relatively high, i.e., about 10 dPa s at 1773 K (1500 °C), but decreased continuously upon addition of $ CaF_{2 } $to the system. In contrast, the viscosity of the 40 pct MnO system was very low, i.e., 1 dPa s at 1773 K (1500 °C), and $ CaF_{2 } $did not have a large effect. This indicates that $ Mn^{2+} $ is a strong network modifier in manganese ferroalloy smelting slags. Nevertheless, $ CaF_{2 } $addition was very effective at decreasing the viscosity of low MnO slags at low temperatures. The activation energy for the viscous flow of silicate melts decreased linearly in response to $ CaF_{2} $ addition, but this tendency was less pronounced in the more basic composition of the slag. The effect of $ CaF_{2 } $on the viscosity and activation energy for viscous flow of melts was analyzed quantitatively using micro-Raman spectra of quenched glass samples and the silicate polymerization index, i.e., $ Q^{3} $/$ Q^{2 } $ratio. The polymerization index decreased continuously with increasing $ CaF_{2 } $content in less basic (10 pct MnO or C/S = 0.5) slags, whereas it was not affected by $ CaF_{2 } $content in highly basic (40 pct MnO and C/S = 1.0) slags. 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|
| author |
Park, Joo Hyun |
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Park, Joo Hyun misc CaF2 misc Viscous Flow misc Silicate Network misc CaF2 Content misc Gaussian Deconvolution Influence of $ CaF_{2} $ on the Viscosity and Structure of Manganese Ferroalloys Smelting Slags |
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Influence of $ CaF_{2} $ on the Viscosity and Structure of Manganese Ferroalloys Smelting Slags CaF2 (dpeaa)DE-He213 Viscous Flow (dpeaa)DE-He213 Silicate Network (dpeaa)DE-He213 CaF2 Content (dpeaa)DE-He213 Gaussian Deconvolution (dpeaa)DE-He213 |
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Influence of $ CaF_{2} $ on the Viscosity and Structure of Manganese Ferroalloys Smelting Slags |
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Influence of $ CaF_{2} $ on the Viscosity and Structure of Manganese Ferroalloys Smelting Slags |
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Park, Joo Hyun |
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influence of $ caf_{2} $ on the viscosity and structure of manganese ferroalloys smelting slags |
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Influence of $ CaF_{2} $ on the Viscosity and Structure of Manganese Ferroalloys Smelting Slags |
| abstract |
Abstract Addition of $ CaF_{2 } $to the CaO-$ SiO_{2} $-MnO (CaO/$ SiO_{2 } $= 0.5) system, which corresponds qualitatively to a silicomanganese ferroalloy smelting slag, affected not only the critical (crystallization) temperature (TCR) but also the viscosity at high temperatures, and its influence on slag properties was strongly dependent on the content of MnO in the slag. The viscosity of $ CaF_{2} $-free 10 mass pct MnO slag was relatively high, i.e., about 10 dPa s at 1773 K (1500 °C), but decreased continuously upon addition of $ CaF_{2 } $to the system. In contrast, the viscosity of the 40 pct MnO system was very low, i.e., 1 dPa s at 1773 K (1500 °C), and $ CaF_{2 } $did not have a large effect. This indicates that $ Mn^{2+} $ is a strong network modifier in manganese ferroalloy smelting slags. Nevertheless, $ CaF_{2 } $addition was very effective at decreasing the viscosity of low MnO slags at low temperatures. The activation energy for the viscous flow of silicate melts decreased linearly in response to $ CaF_{2} $ addition, but this tendency was less pronounced in the more basic composition of the slag. The effect of $ CaF_{2 } $on the viscosity and activation energy for viscous flow of melts was analyzed quantitatively using micro-Raman spectra of quenched glass samples and the silicate polymerization index, i.e., $ Q^{3} $/$ Q^{2 } $ratio. The polymerization index decreased continuously with increasing $ CaF_{2 } $content in less basic (10 pct MnO or C/S = 0.5) slags, whereas it was not affected by $ CaF_{2 } $content in highly basic (40 pct MnO and C/S = 1.0) slags. Bulk thermophysical properties of the CaO-$ SiO_{2} $-MnO-$ CaF_{2 } $slags were quantitatively correlated with the structural information of the slags. © The Minerals, Metals & Materials Society and ASM International 2014 |
| abstractGer |
Abstract Addition of $ CaF_{2 } $to the CaO-$ SiO_{2} $-MnO (CaO/$ SiO_{2 } $= 0.5) system, which corresponds qualitatively to a silicomanganese ferroalloy smelting slag, affected not only the critical (crystallization) temperature (TCR) but also the viscosity at high temperatures, and its influence on slag properties was strongly dependent on the content of MnO in the slag. The viscosity of $ CaF_{2} $-free 10 mass pct MnO slag was relatively high, i.e., about 10 dPa s at 1773 K (1500 °C), but decreased continuously upon addition of $ CaF_{2 } $to the system. In contrast, the viscosity of the 40 pct MnO system was very low, i.e., 1 dPa s at 1773 K (1500 °C), and $ CaF_{2 } $did not have a large effect. This indicates that $ Mn^{2+} $ is a strong network modifier in manganese ferroalloy smelting slags. Nevertheless, $ CaF_{2 } $addition was very effective at decreasing the viscosity of low MnO slags at low temperatures. The activation energy for the viscous flow of silicate melts decreased linearly in response to $ CaF_{2} $ addition, but this tendency was less pronounced in the more basic composition of the slag. The effect of $ CaF_{2 } $on the viscosity and activation energy for viscous flow of melts was analyzed quantitatively using micro-Raman spectra of quenched glass samples and the silicate polymerization index, i.e., $ Q^{3} $/$ Q^{2 } $ratio. The polymerization index decreased continuously with increasing $ CaF_{2 } $content in less basic (10 pct MnO or C/S = 0.5) slags, whereas it was not affected by $ CaF_{2 } $content in highly basic (40 pct MnO and C/S = 1.0) slags. Bulk thermophysical properties of the CaO-$ SiO_{2} $-MnO-$ CaF_{2 } $slags were quantitatively correlated with the structural information of the slags. © The Minerals, Metals & Materials Society and ASM International 2014 |
| abstract_unstemmed |
Abstract Addition of $ CaF_{2 } $to the CaO-$ SiO_{2} $-MnO (CaO/$ SiO_{2 } $= 0.5) system, which corresponds qualitatively to a silicomanganese ferroalloy smelting slag, affected not only the critical (crystallization) temperature (TCR) but also the viscosity at high temperatures, and its influence on slag properties was strongly dependent on the content of MnO in the slag. The viscosity of $ CaF_{2} $-free 10 mass pct MnO slag was relatively high, i.e., about 10 dPa s at 1773 K (1500 °C), but decreased continuously upon addition of $ CaF_{2 } $to the system. In contrast, the viscosity of the 40 pct MnO system was very low, i.e., 1 dPa s at 1773 K (1500 °C), and $ CaF_{2 } $did not have a large effect. This indicates that $ Mn^{2+} $ is a strong network modifier in manganese ferroalloy smelting slags. Nevertheless, $ CaF_{2 } $addition was very effective at decreasing the viscosity of low MnO slags at low temperatures. The activation energy for the viscous flow of silicate melts decreased linearly in response to $ CaF_{2} $ addition, but this tendency was less pronounced in the more basic composition of the slag. The effect of $ CaF_{2 } $on the viscosity and activation energy for viscous flow of melts was analyzed quantitatively using micro-Raman spectra of quenched glass samples and the silicate polymerization index, i.e., $ Q^{3} $/$ Q^{2 } $ratio. The polymerization index decreased continuously with increasing $ CaF_{2 } $content in less basic (10 pct MnO or C/S = 0.5) slags, whereas it was not affected by $ CaF_{2 } $content in highly basic (40 pct MnO and C/S = 1.0) slags. Bulk thermophysical properties of the CaO-$ SiO_{2} $-MnO-$ CaF_{2 } $slags were quantitatively correlated with the structural information of the slags. © The Minerals, Metals & Materials Society and ASM International 2014 |
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| title_short |
Influence of $ CaF_{2} $ on the Viscosity and Structure of Manganese Ferroalloys Smelting Slags |
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https://dx.doi.org/10.1007/s11663-014-0269-7 |
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Ko, Kyu Yeol Kim, Tae Sung |
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| doi_str |
10.1007/s11663-014-0269-7 |
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2024-07-03T22:40:49.050Z |
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| score |
7.3982735 |