This study has proved if there are homogeneities in crystal structures, firing temperaures and element compositions of 69 specimens for potteries and soils from Changdo, Kangjin-gun, Jinjuk-Ri in Korea and Yaezhou inChina and obtained the following results.1. XRD analyses showed that soft potteries ...
This study has proved if there are homogeneities in crystal structures, firing temperaures and element compositions of 69 specimens for potteries and soils from Changdo, Kangjin-gun, Jinjuk-Ri in Korea and Yaezhou inChina and obtained the following results.1. XRD analyses showed that soft potteries seemed to contain ($\alpha$)quartz, feldspar, while hard potteries seemed to contain ($\alpha$-)quartz, mullite, tridymite, feldspar. Jinjuk-Ri soils consisted of clays such as Kiolinite, Montmorillonite, Muscovite, Illite and, mica and feldspar etc.2. It was estimated that the firing temperatures which are determined by crystals using XRD, ranged from $550^{\circ}C$ to $870^{\circ}C$ for soft potteries and $870^{\circ}C$ to $975^{\circ}C$ for hard potteries.3. The firing temperatures for 4-pieces of Changdo pottery were measured by using TG-DTA, and it was found that specimen No. 10 was fired at temperatures below $600^{\circ}C$, while specimens No. 14, No. 23 and No. 29 were fired at temperatures above $1000^{\circ}C$.4. It was found that the specimems for potteries and porcelains from Changdo, Kangjin-gun, Jinjuk-Ri in Korea and Yaezhou in China were apparently classified into 4 clusters. This suggests that there are no correlations between the raw materials used in each 4 regions. Among the porcelains from Changdo, there were many typologically similar ones to those from Yaezhou in China in the 9th centry, but the analyses of porcelains only from Changdo, Kangjin in Korea and Yaezhouin China showed that they were classified into 3 clusters. This suggest that there are no correlations between the raw materials used for making porcelains in Changdo, Kangjin-gun, Jinjuk-Ri in Korea and Yaezhou in China.
This study has proved if there are homogeneities in crystal structures, firing temperaures and element compositions of 69 specimens for potteries and soils from Changdo, Kangjin-gun, Jinjuk-Ri in Korea and Yaezhou inChina and obtained the following results.1. XRD analyses showed that soft potteries seemed to contain ($\alpha$)quartz, feldspar, while hard potteries seemed to contain ($\alpha$-)quartz, mullite, tridymite, feldspar. Jinjuk-Ri soils consisted of clays such as Kiolinite, Montmorillonite, Muscovite, Illite and, mica and feldspar etc.2. It was estimated that the firing temperatures which are determined by crystals using XRD, ranged from $550^{\circ}C$ to $870^{\circ}C$ for soft potteries and $870^{\circ}C$ to $975^{\circ}C$ for hard potteries.3. The firing temperatures for 4-pieces of Changdo pottery were measured by using TG-DTA, and it was found that specimen No. 10 was fired at temperatures below $600^{\circ}C$, while specimens No. 14, No. 23 and No. 29 were fired at temperatures above $1000^{\circ}C$.4. It was found that the specimems for potteries and porcelains from Changdo, Kangjin-gun, Jinjuk-Ri in Korea and Yaezhou in China were apparently classified into 4 clusters. This suggests that there are no correlations between the raw materials used in each 4 regions. Among the porcelains from Changdo, there were many typologically similar ones to those from Yaezhou in China in the 9th centry, but the analyses of porcelains only from Changdo, Kangjin in Korea and Yaezhouin China showed that they were classified into 3 clusters. This suggest that there are no correlations between the raw materials used for making porcelains in Changdo, Kangjin-gun, Jinjuk-Ri in Korea and Yaezhou in China.
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