Phase equilibria investigations and thermodynamic modeling of the PbO–Al2O3 system
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Fayssal Oudich
Abstract
The PbO–Al2O3 system has been extensively studied in literature. In the present study, experimental work was conducted in which equilibria between phases were investigated under air between 600°C and 800°C by X-ray diffraction. Three intermediate compounds reported in literature were confirmed, which are PbAl12O19 (1PbO:6Al2O3), PbAl2O4 (1:1) and Pb2Al2O5 (2:1). Results support a widely accepted version of the phase diagram in which these compounds exist. On the basis of the results obtained in this study and data considered from literature, a thermodynamic modeling according to the Calphad approach was performed, where all intermediate phases were considered as stoichiometric compounds and where the liquid phase was described by a two-sublattice ionic liquid model. Good agreement has been obtained from thermodynamic optimization in comparison with experimental results.
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Articles in the same Issue
- Contents
- Contents
- Original Contributions
- Effect of carbon on the solubility of nitrogen in slag
- Phase equilibria investigations and thermodynamic modeling of the PbO–Al2O3 system
- Experimental investigation of the phase equilibria in the Co–Fe–Ti ternary system
- Microstructural investigation on marforming and conventional cold deformation in Ni–Ti–Fe-based shape memory alloys
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- Powder metallurgy of high speed-steel produced by solid state sintering and heat treatment
- Effect of annealing and surfactant on photoluminescence of ZnS:O2− nanoparticles
- An experimental investigation into the effects of Cr2O3 and ZnO2 nanoparticles on the mechanical properties and durability of self-compacting mortar
- Optical properties and weakening of elastic moduli with increasing glass transition temperature (Tg) in (80–x)TeO2-xBaO-20ZnO glasses
- Simple fabrication of highly ordered anodic aluminum oxide (AAO) films
- Short Communications
- Launching particle to constant reinforcement ratio as a parameter for improving the nanoreinforcement distribution and tensile strength of aluminum nanometal matrix composites
- Manganese ferrite–graphene nanocomposite as a high-performance anode material for lithium-ion batteries
- Facile synthesis of TiO2 nanoplates decorated with Ag nanoparticles for electro-oxidation of hydrazine
- People
- People
- DGM News
- DGM News
Articles in the same Issue
- Contents
- Contents
- Original Contributions
- Effect of carbon on the solubility of nitrogen in slag
- Phase equilibria investigations and thermodynamic modeling of the PbO–Al2O3 system
- Experimental investigation of the phase equilibria in the Co–Fe–Ti ternary system
- Microstructural investigation on marforming and conventional cold deformation in Ni–Ti–Fe-based shape memory alloys
- Modeling of hot deformation behavior with dynamic recrystallization in TC4 titanium alloy
- Powder metallurgy of high speed-steel produced by solid state sintering and heat treatment
- Effect of annealing and surfactant on photoluminescence of ZnS:O2− nanoparticles
- An experimental investigation into the effects of Cr2O3 and ZnO2 nanoparticles on the mechanical properties and durability of self-compacting mortar
- Optical properties and weakening of elastic moduli with increasing glass transition temperature (Tg) in (80–x)TeO2-xBaO-20ZnO glasses
- Simple fabrication of highly ordered anodic aluminum oxide (AAO) films
- Short Communications
- Launching particle to constant reinforcement ratio as a parameter for improving the nanoreinforcement distribution and tensile strength of aluminum nanometal matrix composites
- Manganese ferrite–graphene nanocomposite as a high-performance anode material for lithium-ion batteries
- Facile synthesis of TiO2 nanoplates decorated with Ag nanoparticles for electro-oxidation of hydrazine
- People
- People
- DGM News
- DGM News
