Capas finas de ZrO2 para mejorar la resistencia quÌmica de vidriados mates de calcio
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Show full item recordcomunitat-uji-handle:10234/9
comunitat-uji-handle2:10234/7033
comunitat-uji-handle3:10234/8618
comunitat-uji-handle4:
INVESTIGACIONMetadata
Title
Capas finas de ZrO2 para mejorar la resistencia quÌmica de vidriados mates de calcioDate
2012-05Publisher
Sociedad Española de Cerámica y VidrioISSN
0366-3175; 2173-0431Type
info:eu-repo/semantics/articlePublisher version
http://ceramicayvidrio.revistas.csic.es/index.php/ceramicayvidrio/article/view/1 ...Version
info:eu-repo/semantics/publishedVersionSubject
Abstract
The chemical resistance of ceramic glazes susceptible to it, and more specifically the glazes formulated with a calcium matt
frit, is enhanced by depositing on the surface a thin layer of zirconium oxide. A stabilized ... [+]
The chemical resistance of ceramic glazes susceptible to it, and more specifically the glazes formulated with a calcium matt
frit, is enhanced by depositing on the surface a thin layer of zirconium oxide. A stabilized zirconia sol is the precursor of the
layer, which is deposited by spray painting over the glaze, and with a mild heat treatment (T
max
≈ 400 ° C) is transformed into
ZrO
2
and anchored to the glaze’s surface. Chemical resistance tests show that the protected glaze does not suffer a visually
significant attack by concentrated hydrochloric acid, conditions under which the same glaze without the coating is severely
damaged. The used precursor generates a zirconium oxide layer that protects the underlying glaze, so that the chemical
attack by the hydrochloric acid is confined to cracks and discontinuities in the deposited layer [-]
Is part of
Boletín de la Sociedad Española de Cerámica y Vidrio, 2012, maig/juny, Vol. 51, núm. 3Rights
© Sociedad Española de Cerámica y Vidrio
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info:eu-repo/semantics/openAccess
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info:eu-repo/semantics/openAccess
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