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A Characteristics Analysis of Archaeological Chemistry on the Ceramics Excavated from Kiln Site in Dongkok-Town, Gimje in Korea

김제 청도리 동곡마을 도요지 출토 도자기의 고고화학적 특성 분석

  • Park, Yeong A (Department of Cultural Heritage Conservation Science, Kongju National University) ;
  • Kim, Gyu-Ho (Department of Cultural Heritage Conservation Science, Kongju National University) ;
  • Jeon, Yu Ree (Department of Cultural Heritage Conservation Science, Kongju National University) ;
  • Kim, Na-Young (Department of Cultural Heritage Conservation Science, Kongju National University)
  • 박영아 (국립공주대학교 문화재보존과학과) ;
  • 김규호 (국립공주대학교 문화재보존과학과) ;
  • 전유리 (국립공주대학교 문화재보존과학과) ;
  • 김나영 (국립공주대학교 문화재보존과학과)
  • Received : 2017.03.15
  • Accepted : 2017.04.14
  • Published : 2017.04.20

Abstract

The purpose of this study is to analyze the characteristics of Punchong and Whiteware pottery excavated from the kiln site in Dongkok-Town, Gimge. Scientific analysis is carried out to evaluate the physical and chemical properties of the body and glaze. The physical properties indicate the gradual development of the production technology with respect to the kiln operating conditions and period. In chemical properties, the ceramic body is found to be made of raw materials from the same source, but the mixing method depends on the type of Punchong and Whiteware pottery, the production kiln, and period. Whiteware pottery is manufactured with less over 1.3% of the colorant content and more about 1.2% of the $K_2O$ flux content than Punchong pottery. This compositions allow easier vitrification at the same temperature. These characteristics which is low colorant content and high flux content become more prominent as lately. The ceramic glaze is likely to have changed the type of raw materials used after 16~17C, as the contents of MgO, $TiO_2$, MnO, $P_2O_5$ are less three to ten times than 15C.

본 연구는 김제 동곡마을 도요지에서 출토된 15~17세기 분청사기와 백자에 대하여 색도와 비중 및 흡수율, 미세구조 관찰 등의 물리적 특성, 태토와 유약의 조성에 대한 화학적 특성에 대하여 분석하였다. 물리적 특성에서 가마운영 상황과 제작 시기에 따라 제작기술이 점차 발전되는 변화가 관찰된다. 원료적 측면에서 동곡마을 도요지는 동일기반암에서 생성된 점토를 사용하여 도자기 종류, 생산 가마, 시기 등에 따라 원료를 정제하거나 융제를 첨가하는 등의 제작기법에서 차이를 보인다. 백자는 분청사기와 비교하여 착색제 함량이 평균적으로 1.3% 이상 적고 융제 성분 $K_2O$ 함량이 1.2% 가량 많은 편으로 같은 온도에서 더 쉽게 자화될 수 있는 특징을 보인다. 이와 같은 특성은 생산 시기가 늦어질수록 분명하게 나타난다. 유약은 자기 종류가 아닌 생산 시기에 따라 16세기 이후에는 MgO, $TiO_2$, MnO, $P_2O_5$ 등의 함량이 적게는 3배, 많게는 10배 이상 줄어들어 사용 원료에 차이가 있었던 것으로 추정해 볼 수 있다.

Keywords

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