Document details

18th century Portuguese tiles: characterization and reproduction study of Ca-rich biscuits

Author(s): Morais Pereira, S. ; Musacchi, J. ; Mendes, M. ; Leal, A. ; Esteves, L. ; Santos Silva, A. ; Mimoso, J.

Date: 2015

Origin: Repositório Científico do LNEC

Project/scholarship: info:eu-repo/grantAgreement/FCT/3599-PPCDT/119085/PT ; info:eu-repo/grantAgreement/EC/H2020/654028/EU;

Subject(s): Ceramic biscuit; Azulejo reproductions; Calcitic clay for majolica biscuits; Historic glazed tiles


Majolica tiles from the 17th-18th centuries make up one of the most important art heritages of Portugal. Their characterization and gains in knowledge through their reproduction are important to obtain information about their production methods, raw materials used, origin attribution and to contribute to studies in conservation and development of treatments. A group of Lisbon tiles from the late 17th to 18th centuries has been previously characterized and the biscuits now tentatively reproduced. Special attention was given to the effect of firing temperature and Ca compounds content on the final replica properties such as water absorption, porosity, water and thermal expansibilities, mechanical strength, chemical composition and mineralogy. Correlation models between the Ca compounds content and firing temperature were obtained for the previous properties. Replicas similar on those properties considered relevant were obtained that can be used in studies in conservation and in interventions.

Document Type Conference object
Language English
Contributor(s) Morais Pereira, S.; Musacchi, J.; Mendes, M.; Leal, A.; Esteves, L.; Santos Silva, A.; Mimoso, J.; SIM; NAO; SIM
Editor(s) J. Delgado Rodrigues; João Manuel Mimoso
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