VIETNAMESE (15TH CENTURY) BLUE-AND-WHITE, TAM THAI AND LUSTRE PORCELAINS/STONEWARES: GLAZE COMPOSITION AND DECORATION TECHNIQUES

  • 31/03/2022
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Giới thiệu

EDS, X-RAY FLOURESCENCE, RAMAN SPECTROSCOPY, THERMAL EXPANSION-SHRINKAGE MEASUREMENT AND SCANNING ELECTRON MICROSCOPY WERE APPLIED TO DETERMINE THE ELEMENTAL COMPONENTS, STRUCTURAL PHASES AND GLAZING TEMPERATURES OF THE TRANSPARENT GLAZES, BLUE UNDERGLAZE AND OVERGLAZE TAM THAI (INCLUDING GOLD-LIKE LUSTRE) DECORATIONS FROM THE 15TH-CENTURY VIETNAMESE PORCELAINS/STONEWARES FOUND AT THE CHU DU-MY XA KILN SITE AND IN THE C LAO CHM (HI AN) CARGO. THE ANCIENT TECHNOLOGY FOR COLOURING THE GLAZES IS DISCUSSED. THE VARIOUS BLUE TONES IN THE UNDERGLAZED DCOR RESULT FROM COBALT-CONTAINING MANGANESE ORE, WITH THE INTENTIONAL ADDITION OF IRON OXIDE. THE OVERGLAZE COPPER-GREEN AND THE GOLD-LIKE LUSTRE WERE OBTAINED BY DISPERSING COPPER IN LEAD-BASED GLASS. THE RED COLOUR WAS MADE USING HEMATITE DISPERSED IN LEAD-RICH FLUX. UNIVERSITY OF OXFORD, 2004.

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