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Dissolution Mechanism of Indium in CaO-Al2O3-SiO2 Slag at Low Silica Region
- Authors
- Ko, Kyu Yeol; Park, Joo Hyun
- Issue Date
- Jun-2012
- Publisher
- ASM International
- Keywords
- Slags; Equilibration techniques; Slag basicity; Solubility; Reducing atmosphere; Dissolution mechanism; Oxygen partial pressure; Critical level; Indium; Dissolution; Silica
- Citation
- Metallurgical and Materials Transactions B: Process Metallurgy and Materials Processing Science, v.43, no.3, pp.440 - 442
- Indexed
- SCIE
SCOPUS
- Journal Title
- Metallurgical and Materials Transactions B: Process Metallurgy and Materials Processing Science
- Volume
- 43
- Number
- 3
- Start Page
- 440
- End Page
- 442
- ISSN
- 1073-5615
- Abstract
- The solubility of indium was measured in the low-silica region (< 20 mass pct SiO2) of the CaO-Al2O3-SiO2 system by a thermochemical equilibration technique. The dissolution mechanism of indium into the CaO-Al2O3-SiO2 slag at 1773 K (1500 A degrees C) under a reducing atmosphere was elucidated. The indium solubility increases in the calcium silicate-based flux and decreases in the calcium aluminate-based flux with increasing oxygen partial pressure. Also, the solubility was found to decrease initially with increasing slag basicity until the basicity reached a critical level after which the solubility increases. This behavior is believed to indicate that the indium dissolution mechanism changes according to the basicity of the slag.
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Related Researcher
- Park, Joo Hyun
- ERICA 공학대학 (DEPARTMENT OF MATERIALS SCIENCE AND CHEMICAL ENGINEERING)