Journal
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
Volume 44, Issue 3, Pages 1856-1863Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.jeurceramsoc.2023.10.035
Keywords
Red Hare's Fur; Manufacturing technology; e-Fe 2 O 3; Ancient Chinese porcelain; Dongxi street site
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The red Hare's Fur glazed bowls from the Jin and Yuan periods were analyzed using various methods. The findings revealed the presence of e-Fe2O3 on the rim of the bowls, which required a specific temperature for formation. Additionally, the study observed that the presence of mullite promoted the formation of e-Fe2O3.
The red Hare's Fur glazed bowls of the Jin and Yuan periods(1115-1368 A.D.) were analysed by optical microscopy, EDXRF, XRD, SEM-EDS, Micro-Raman spectroscopy and thermal expansion instrument. We also conduct simulation experiments at different temperatures and atmospheres. The results revealed that the Fe2O3 content of the Hare's Fur glaze was about 5%. e-Fe2O3 was found in the crystals on the glaze surface. The e-Fe2O3 was all found on the rim of the bowl and it can exceed 10 mu m in size. They were fired at about 1250 degrees C in a reducing atmosphere. The simulation experiments showed that e-Fe2O3 was formed in the cooling stage and needed to be held for a period of time at about 1160-1190 degrees C. The presence of mullite will promote the formation of e-Fe2O3. This is because the Al-substitution effect changes the crystal structure of e-Fe2O3 and makes it more stable.
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