Influence of zeolites on sintering and technological properties of porcelain stoneware tiles. (Articolo in rivista)

Type
Label
  • Influence of zeolites on sintering and technological properties of porcelain stoneware tiles. (Articolo in rivista) (literal)
Anno
  • 2003-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/S0955-2219(03)00086-4 (literal)
Alternative label
  • de' Gennaro R., Cappelletti P., Cerri G., de' Gennaro M., Dondi M., Guarini G., Langella A., Naimo D. (2003)
    Influence of zeolites on sintering and technological properties of porcelain stoneware tiles.
    in Journal of the European Ceramic Society
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • de' Gennaro R., Cappelletti P., Cerri G., de' Gennaro M., Dondi M., Guarini G., Langella A., Naimo D. (literal)
Pagina inizio
  • 2237 (literal)
Pagina fine
  • 2245 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 23 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • aDipartimento di Scienze della Terra, Universita` Federico II, via Mezzocannone 8, 80138 Naples, Italy bIstituto di Scienza e Tecnologia dei Materiali Ceramici (CNR-ISTEC), via Granarolo 64, 48018 Faenza, Italy cDipartimento di Studi Geologici ed Ambientali, Universita` del Sannio, Via Port'Arsa 11, 82100 Benevento, Italy dIstituto di Scienze Geologico-Mineralogiche, Universita´ di Sassari, Corso Angio 10, 07100 Sassari, Italy (literal)
Titolo
  • Influence of zeolites on sintering and technological properties of porcelain stoneware tiles. (literal)
Abstract
  • Low-cost zeolitic rocks are promising substitutes for feldspathic .uxes in ceramic bodies, since their fusibility, modest hardness and high cation exchange capacity (CEC) should improve grinding and sintering. Five large-scale Italian deposits of natural zeolites with di.erent mineralogy were characterised and tested in porcelain stoneware bodies. Their behaviour during processing was appraised and compared with that of zeolite-free bodies. Zeolites increased the slip viscosity during wet grinding, causing a coarser grain size distribution and consequently some drawbacks in both un.red and .red tiles. After overcoming this hindrance by dry grinding of zeolite rocks, the technological behaviour of zeolite-bearing tiles appear to be similar to that of current porcelain stoneware, though with larger .ring shrinkage and residual closed porosity. (literal)
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