Korean Journal of Metals and Materials (대한금속재료학회지)

The Korean Institute of Metals and Materials (대한금속재료학회)
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Material Degradation of Ancient Iron Pot by Repeated Heating for One Thousand Years

고대 철확(철솥)의 1천년 반복 가열 및 열화현상

  • Go, Hyeong (Gangwon Research Institute of Cultural Properties) ;
  • Han, Min Su (Conservation Science Division, National Research Institute of Cultural heritage) ;
  • Choe, Byung Hak (Department of Metal & Materials Engineering, Gangneung-wonju National University) ;
  • Min, Doo Sik (Department of Metal & Materials Engineering, Gangneung-wonju National University) ;
  • Shim, Yun Im (Department of Metal & Materials Engineering, Gangneung-wonju National University) ;
  • Jeong, Hyo Tae (Department of Metal & Materials Engineering, Gangneung-wonju National University) ;
  • Cho, Nam Chul (Department of Cultural Heritage Conservation Science, College of National, Kongju University)
  • 고형순 (강원문화재연구소) ;
  • 한민수 (국립문화재연구소 보존과학연구실) ;
  • 최병학 (강릉원주대학교 신소재금속공학과) ;
  • 민두식 (강릉원주대학교 신소재금속공학과) ;
  • 심윤임 (강릉원주대학교 신소재금속공학과) ;
  • 정효태 (강릉원주대학교 신소재금속공학과) ;
  • 조남철 (공주대학교 문화재보존과학과)
  • Received : 2011.04.27
  • Published : 2012.05.25
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Abstract

The microstructural changes of three pieces from an ancient iron pot were studied in order to identify present the material degradation due to repeated heating for one-thousand years. The microstructures of the pieces were divided into the areas of ferrite/graphite, ferrite/pearlite, and corroded oxidation. The area of ferrite/graphite was undergone by severe Galvanic corrosion, but that of ferrite/pearlite was not even during a thousand years' using. The shape of the graphites was coexisted with types of A, B, and C of as modern graphite classification. In the ferrite/pearlite area, abnormal acicula precipitates with a high aspect ratio of $0.2{\mu}m$ thickness and several hundreds ${\mu}m$ length were presented. They might be a kind of carbide in the ferrite matrix with its special precipitate plane.

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References

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