2019
DOI: 10.1016/j.calphad.2019.101680
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Thermodynamic optimization of the Al2O3–FeO–Fe2O3–SiO2 oxide system

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Cited by 30 publications
(9 citation statements)
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“…Compared with the surrounding surface, the radial whiskers have a lower Si content and a higher Al content. According to the previous literature, the morphology and the Al, Si dominant composition, the radial whiskers were thought to be mainly composed of mullite (alumina silicate) (Dejoie et al, 2014; Hoo et al, 2020; Kusano et al, 2008; Prostakova et al, 2019; Zhang et al, 2009). Besides, the concentrated Fe element has been discovered on the radial whiskers, as well as some dendritic flakes beside the whiskers, which is contrary to that in the Si mapping.…”
Section: Resultsmentioning
confidence: 98%
“…Compared with the surrounding surface, the radial whiskers have a lower Si content and a higher Al content. According to the previous literature, the morphology and the Al, Si dominant composition, the radial whiskers were thought to be mainly composed of mullite (alumina silicate) (Dejoie et al, 2014; Hoo et al, 2020; Kusano et al, 2008; Prostakova et al, 2019; Zhang et al, 2009). Besides, the concentrated Fe element has been discovered on the radial whiskers, as well as some dendritic flakes beside the whiskers, which is contrary to that in the Si mapping.…”
Section: Resultsmentioning
confidence: 98%
“…Better predictive capacity and flexibility of MQM in multicomponent systems is achieved by using pair (or quadruplet) fractions for polynomial expansion of Gibbs energy change in quasichemical reactions [53], by using composition-dependent coordination numbers [53], by combining quasichemical and Bragg-Williams random mixing contribution to the excess Gibbs energy [54], by using different geometric extrapolation methods of binary model parameters into multicomponent space [54,55], and by using quadruplet formalism for ionic liquids with several possible cations and anions [56]. Recent examples of application of MQM for different cases are provided below: slags [57][58][59][60][61], mattes and metals [40][41][42]62], slags in equilibrium with mattes [63][64][65] and/or metals [66].…”
Section: Thermodynamic Models and Databasesmentioning
confidence: 99%
“…delay of the α-Al 2 3 formation has primarily kinetic reasons. As solubility of silicon in corundum is extremely low [69], Si must leave the parent metastable phase (δ/θ-Al 2 O 3 ), before this phase can transform to α-Al 2 O 3 . This process requires an additional migration or diffusion of silicon, which shifts the formation of α-Al 2 O 3 to a higher temperature.…”
Section: Stabilization Of γ -Al 2 Omentioning
confidence: 99%