Blistering phenomenon of molten glass in contact with zirconia-based refractories - Institut National de l'Energie Solaire
Article Dans Une Revue Journal of the European Ceramic Society Année : 2021

Blistering phenomenon of molten glass in contact with zirconia-based refractories

Résumé

Bubble formation and removal within the molten glass is an important issue in glass industry. Various sources of bubbles have been identified in glass manufacturing: decomposition of the glass components, air trapping, oxidation/reduction reactions, precipitation resulting from insufficient refining, etc. It has been demonstrated in a previous paper that the blistering phenomenon at the interface between a molten glass and a zirconia-based refractory can be ascribed to the oxygen semipermeability through the zirconia phase. The objective of this study is to clarify the role of temperature on the blistering process, and especially, below and above the phase transition temperature of zirconia (monoclinic/tetragonal transformation) and to evaluate the role of zirconia doping on the blistering level. The influence of the kinetics of the surface processes at the glass/refractory interface is emphasized. Quantitative measurement of the slight blistering ascribed to the so-called “redox shock” is also given.

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Chimie
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hal-04755060 , version 1 (13-11-2024)

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J. Hell, P. Vespa, I. Cabodi, O. Citti, F. Fournet-Fayard, et al.. Blistering phenomenon of molten glass in contact with zirconia-based refractories. Journal of the European Ceramic Society, 2021, 41 (10), pp.5359-5366. ⟨10.1016/j.jeurceramsoc.2021.03.063⟩. ⟨hal-04755060⟩
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