Ceramic technology. How to characterise ceramic glazes

Pradell, Trinitat; Molerà, J.

doi:10.1007/s12520-020-01136-9

Cited by 65 publications

(43 citation statements)

References 104 publications

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“…the processing (Eramo 2020) and modelling (Thér 2020) of clays; surface finishing (Ionescu and Hoeck 2020) and ceramic firing (Gliozzo 2020b); the investigation of different coatings such as black glass-ceramic (Aloupi-Siotis 2020), terra sigillata (Sciau et al 2020) and glazes (Pradell and Molera 2020); the isotopic study of particular types of products such as Chinese ceramics (this paper); the identification of postburial transformations (Maritan 2020); the dating of ceramics (Galli et al 2020); and the restoration and musealisation of ceramics (de Lapérouse 2020). This Topical Collection concludes with a tutorial on statistical data processing (Papageorgiou 2020).…”

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confidence: 99%

Isotopic investigations of Chinese ceramics

Henderson

Cui

et al. 2020

Archaeol Anthropol Sci

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This chapter provides insights into Chinese ceramic technologies of both bodies and glazes as well as provenance by using isotopes applied to a number of case studies. The use of Sr isotopes to investigate Chinese high-fired Celadon wares and blueand-white Jingdezhen porcelain (Jiangxi province) has revealed a clear distinction associated with the fluxes used in the glazes: plant ash in celadons and limestone in Jingdezhen glazes, something that is not clear from major element analysis. Furthermore, the technique is able to suggest by implication the nature of the silica source used in the glazes-normally weathered granitic rocks or metamorphic rocks (porcelain stone) which also contains Sr. This leads to an isotopic mixing line of the 2 Sr-rich components and is proof that 2 Sr-rich components were mixed in the manufacture of limestone glaze. This is not the case for plant ash glazes. Eventually, the technique may be used in provenance studies. Like Sr isotope analysis, lead isotope analysis relies on there being a lack of or a minimal change in the isotope ratios when the raw materials are heated. Lead isotope analysis links the use of lead in glazes to the original metal ore and if a kiln uses a distinctive lead source in its glazes, it can provide a provenance for the pottery. This has been very successful in distinguishing Chinese Tang sancai wares made in the Huangye, Huangbao, Liquanfang and Qionglai kilns.

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confidence: 99%

Isotopic investigations of Chinese ceramics

Henderson

Cui

et al. 2020

Archaeol Anthropol Sci

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“…1 Selected glazed ware samples that are representative of each site. Reproduced at different scales that the SEM-EDS analysis of ceramic bodies does not represent the full bulk composition particularly for coarse bodies, but was performed following the standard procedure used in glazed ware examination (Pradell and Molera 2020), complementing the data generated by thin-section petrography, which was our principal method of assessing the ceramic body. The data presented below are an average of five analyses.…”

Section: Scanning Electron Microscope Energy Dispersive Spectrometry (Sem-eds)mentioning

confidence: 99%

The origins and evolution of Cypriot glazed ware productions during the thirteenth to seventeenth centuries CE

Ting

Rehren

Vionis

et al. 2021

Archaeol Anthropol Sci

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This paper challenges the conventional characterisation of glazed ware productions in the eastern Mediterranean, especially the ones which did not feature the use of opaque or tin-glazed technology, as technologically stagnant and unsusceptible to broader socio-economic developments from the late medieval period onwards. Focusing on the Cypriot example, we devise a new approach that combines scientific analyses (thin-section petrography and SEM-EDS) and a full consideration of the chaîne opératoire in context to highlight the changes in technology and craft organisation of glazed ware productions concentrating in the Paphos, Famagusta and Lapithos region during the thirteenth to seventeenth centuries CE. Our results indicate that the Paphos production was short-lived, lasting from the establishment of Frankish rule in Cyprus in the thirteenth century to the aftermath of the fall of the Crusader campaigns in the fourteenth century. However, glazed ware production continued in Famagusta and Lapithos from the late thirteenth/fourteenth centuries through to the seventeenth century, using technical practices that were evidently different from the Paphos production. It is possible that these productions were set up to serve the new, local demands deriving from an intensification of commercial activities on the island. Further changes occurred to the technical practices of the Famagusta and Lapithos productions around the 16th/17th centuries, coinciding with the displacement of populations and socio-political organisation brought by the Ottoman rule.

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“…The samples with an engobe display the lowest presence of crystallites: the glaze was probably applied on fired clay in a double-fired process (since the degree of reaction, diffusion, and interface formation is lower with fired clay than for raw bodies [40]); the other samples show more crystallites (in particular in TPR11T and TPR15T): also, in this case, a double-fired can be hypothesised but the tiles have probably undergone different thermal paths. Whereas lead glazes melt and react at temperatures between 700 • and 750 • C, and they are fired at a low temperature, typically~900-1050 • C [40,41], and based on these results, the glaze seems to have been produced at a temperature between 750-900 • C by different craftsmen, or with different techniques but using the same raw materials.…”

Section: Tilesmentioning

confidence: 99%

Investigation of Building Materials Belonging to the Ruins of the Tsogt Palace in Mongolia

et al. 2021

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This work focuses on the characterisation of the heritage building materials (plasters, mortars, bricks and glazed tiles) of the Tsogt Palace’s ruins located in the Bulgan Province of Mongolia. In addition, contribution is also given to a preliminary evaluation of their state of conservation in consideration of the climate conditions to which the site is exposed. To accomplish the objectives, information on the climate and historical context have been acquired. A set of analytical methodologies has been applied on the seventeen samples collected: Polarized Light (PLM) and Scanning Electron Microscopy coupled with Energy Dispersive X-Ray Spectroscopy (SEM-EDX), X-Ray Diffraction (XRPD), Raman Spectroscopy and Ion Chromatography (IC). The data obtained allowed us to achieve a mineralogical and petrographic characterisation of the samples, underlining the nature of the binder in mortars and plasters, the type of clay used as raw material for bricks and tile, their hypothetical firing temperature and the aggregate composition. Moreover, it was also possible to identify the colouring coating typology in tiles and their process of production. Regarding the state of conservation, the principal deterioration phenomena affecting the site due to environmental impact can be also hypothesised, even though major studies are necessary for an exhaustive assessment.

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Ceramic technology. How to characterise ceramic glazes

Cited by 65 publications

References 104 publications

Isotopic investigations of Chinese ceramics

Isotopic investigations of Chinese ceramics

The origins and evolution of Cypriot glazed ware productions during the thirteenth to seventeenth centuries CE

Investigation of Building Materials Belonging to the Ruins of the Tsogt Palace in Mongolia

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