http://www.cnr.it/ontology/cnr/individuo/prodotto/ID43447
Zeolite-feldspar epiclastic rocks as flux in ceramic tile manufacturing (Articolo in rivista)
- Type
- Label
- Zeolite-feldspar epiclastic rocks as flux in ceramic tile manufacturing (Articolo in rivista) (literal)
- Anno
- 2007-01-01T00:00:00+01:00 (literal)
- Alternative label
de' Gennaro R., Dondi M., Cappelletti P., Cerri G., de Gennaro M., Guarini G., Langella A., Parlato L., Zanelli C. (2007)
Zeolite-feldspar epiclastic rocks as flux in ceramic tile manufacturing
in Microporous and mesoporous materials (Print)
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- de' Gennaro R., Dondi M., Cappelletti P., Cerri G., de Gennaro M., Guarini G., Langella A., Parlato L., Zanelli C. (literal)
- Pagina inizio
- Pagina fine
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- Centro Interdipartimentale di Servizio C.I.S.A.G., Universita` Federico II, via Mezzocannone 8, 80134 Napoli, Italy
Istituto di Scienza e Tecnologia dei Materiali Ceramici (CNR-ISTEC), via Granarolo 64, 48018 Faenza, Italy
Dipartimento di Scienze della Terra, Universita` Federico II, via Mezzocannone 8, 80134 Napoli, Italy
Istituto di Scienze Geologico-Mineralogiche, Corso Angioy 10, 07100 Universita` di Sassari, Italy
Dipartimento di Studi Geologici e Ambientali, Via Port'Arsa 11, 82100 Universita` del Sannio, Benevento, Italy (literal)
- Titolo
- Zeolite-feldspar epiclastic rocks as flux in ceramic tile manufacturing (literal)
- Abstract
- Low-cost, naturally-occurring mixtures of feldspar and zeolite occurring in epiclastic rocks are promising substitutes for conventional
quartz-feldspathic fluxes in ceramic bodies, since their fusibility and low hardness are expected to improve both grinding and sintering.
Three epiclastic outcrops, with a different zeolite-to-feldspar ratio, were characterized (XRPD, fusibility) and tested in porcelain stoneware
bodies; their behaviour during processing was appraised and compared with that of a reference. The addition of an epiclastic rock
(20 wt.%), replacing rhyolite and aplite fluxes, brought about some significant advantages, mainly represented by better grindability,
lower firing temperature with improved mechanical strength and lower porosity. Disadvantages concern increased slip viscosity, worse
powder compressibility, resulting in larger firing shrinkage, and a darker colour of the tiles due to relatively high amounts of iron oxide. (literal)
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