AustralieFrV1, Main, Exploration, bibRecord, 00A715

Comparative study of oxide inclusion dissolution in CaO-SiO2-Al2O3 slag

Identifieur interne : 00A715 ( Main/Exploration ); précédent : 00A714; suivant : 00A716

Comparative study of oxide inclusion dissolution in CaO-SiO2-Al2O3 slag

Auteurs : B. J. Monaghan [Australie] ; L. Chen [Australie] ; J. Sorbe [France]

Source :

Ironmaking & steelmaking [ 0301-9233 ] ; 2005.

RBID : Pascal:06-0373827

Descripteurs français

Pascal (Inist)
- Etude comparative, Inclusion oxyde, Inclusion non métallique, Dissolution, Calcium oxyde, Silice, Alumine, Scorie.

English descriptors

KwdEn :
- Alumina, Calcium oxide, Comparative study, Dissolution, Non metallic inclusion, Oxide inclusion, Silica, Slag.

Abstract

The dissolution of alumina, spinel and zirconia inclusions in a liquid CaO-SiO₂-Al₂O₃ slag has been investigated using laser scanning confocal microscopy. Over the experimental temperature range 1477-1577°C it is found that alumina inclusions have a slower dissolution rate than that of spinel, and that zirconia inclusions form gas bubbles at the inclusion surface during dissolution. The results have been analysed assuming mass transfer control in the slag phase, and the slower rate of dissolution of the alumina inclusions is explained by the observation that they have a greater mass of aluminium oxide, the rate controlling species, than that of spinel.

Affiliations:

Australie, France

Links toward previous steps (curation, corpus...)

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to stream Main, to step Curation: 00A715

Le document en format XML

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O<sub>3</sub>
 slag</title>
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O<sub>3</sub>
 slag</title>
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<front><div type="abstract" xml:lang="en">The dissolution of alumina, spinel and zirconia inclusions in a liquid CaO-SiO<sub>2</sub>
-Al<sub>2</sub>
O<sub>3</sub>
 slag has been investigated using laser scanning confocal microscopy. Over the experimental temperature range 1477-1577°C it is found that alumina inclusions have a slower dissolution rate than that of spinel, and that zirconia inclusions form gas bubbles at the inclusion surface during dissolution. The results have been analysed assuming mass transfer control in the slag phase, and the slower rate of dissolution of the alumina inclusions is explained by the observation that they have a greater mass of aluminium oxide, the rate controlling species, than that of spinel.</div>
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Comparative study of oxide inclusion dissolution in CaO-SiO2-Al2O3 slag

Comparative study of oxide inclusion dissolution in CaO-SiO2-Al2O3 slag

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri