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Chapitre D'ouvrage Année : 2021

Glaze and enamels

Résumé

Glass coatings on potteries, glass and metals are used as décor but also for technical reasons, namely the tightening of porous bodies and hardening of their surfaces. The coating must be compressed and thus glaze-body thermal expansion mismatches, wetting properties and softening temperatures should be optimised. The glaze's thinness requires specific colouration techniques (pigments, metal nanoparticles). Consequently, the variety of compositions experimented on metals, potteries and glass substrates is very large. After a brief survey of glass coatings' characteristics (preparation, composition, coloration, thermal expansion, micro-and nano-structures), an overview of the history of enamels on metal (Celtic, Limoges, and Chinese Cloisonnés enamels), on glass objects (Roman/Ptolemy to Mamluks and then Renaissance) and on potteries (terra cotta, stoneware, fritware, and porcelain) is proposed. The evolution of their preparation routes (ashes, rocks) and compositions is reviewed. The technical exchanges as well as the different techniques used to obtain similar visual effects are addressed with emphasis on the most innovative productions: Tang/Yuan/Song porcelain, Abbasid/Fatimid lustre pottery, Chinese/Vietnamese stoneware and Celadons, Japanese Raku, Iznik fritware, European soft-, hard-and hybrid-paste porcelains, 19 th century technical revolution, Craft and Japonism movements, and Modern/Contemporary productions.
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Dates et versions

hal-03622886 , version 1 (29-03-2022)

Identifiants

  • HAL Id : hal-03622886 , version 1

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Philippe Colomban. Glaze and enamels. Pascal Richet. Encyclopedia of Glass Science, Technology, History, and Culture, Wiley, pp.524-540, 2021, 978-1-118-79949-9. ⟨hal-03622886⟩
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