Thermal properties and stability of Catalan Modernist blue and green enamels

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dc.contributor.authorBeltrán, Martí
dc.contributor.authorBrock, Fiona
dc.contributor.authorPradell, Trinitat
dc.date.accessioned2019-02-19T16:52:51Z
dc.date.available2019-02-19T16:52:51Z
dc.date.issued2019-01-17
dc.description.abstractStained glass is a fragile component of our Cultural Heritage. In particular, the stained glass produced during the last decades of the 19th century and first decades of the 20th century is characterised by the use of a new type ready-to-use enamels. Stained glass was used for the windows of buildings, and a large part of it is exposed to weathering and consequently to deterioration. This study analyses the collection of materials used in one of the most important stained glass Modernist workshops in Barcelona. The chemical composition is determined (and pigments identified) by means of Laser Ablation Inductively-Coupled Plasma Mass Spectrometry (LA-ICP-MS) and X-Ray Diffraction (XRD) and the thermal properties of the enamels measured by Differential Scanning Calorimetry (DSC) and Hot Stage Microscopy (HSM). The enamels are made of a lead-zinc borosilicate glass characterised by its low sintering temperatures and high stability against chemical corrosion, in particular to water corrosion. However, the relatively narrow range of firing temperatures necessary for correct adherence of the enamels to the contemporary glass base may have required the addition of a high lead borosilicate flux, which would have increased the lead content of the enamel, decreasing the firing temperature but also its stability.en_UK
dc.identifier.citationBeltran M, Brock F, Pradell T. Thermal properties and stability of Catalan Modernist blue and green enamels. International Journal of Applied Glass Science, Volume 10, Issue 2, July 2019, pp. 414-425en_UK
dc.identifier.issn2041-1286
dc.identifier.urihttps://doi.org/10.1111/ijag.13098
dc.identifier.urihttp://dspace.lib.cranfield.ac.uk/handle/1826/13922
dc.language.isoenen_UK
dc.publisherWiley with American Ceramic Societyen_UK
dc.rightsAttribution-NonCommercial 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/*
dc.subjectlead borosilicate glassen_UK
dc.subjectModernist enamelsen_UK
dc.subjectchemical stabilityen_UK
dc.subjectsoftening temperatureen_UK
dc.titleThermal properties and stability of Catalan Modernist blue and green enamelsen_UK
dc.typeArticleen_UK

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