Journal of the Korean institute of surface engineering (한국표면공학회지)

The Korean Institute of Surface Engineering (한국표면공학회)
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A Study on Desalization and Corrosion Products Formed on Salinized Archaeological Iron Artifacts

침염시킨 철기 유물 표면 위에 형성된 부식 생성물과 탈염처리에 대한 연구

  • Min, Sim-Kun (School of Advanced Materials Engineering, Kookmin University) ;
  • Lee, Jae-Hyung (School of Advanced Materials Engineering, Kookmin University) ;
  • Lee, Jae-Bong (School of Advanced Materials Engineering, Kookmin University) ;
  • An, Byeong-Chan (Dept. of Cultural Assets, Gyeongju University)
  • 민심근 (국민대학교 신소재 공학부) ;
  • 이재형 (국민대학교 신소재 공학부) ;
  • 이재봉 (국민대학교 신소재 공학부) ;
  • 안병찬 (경주대학교 문화재학부)
  • Published : 2007.02.28
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Abstract

Excavated archaeological iron artifacts are usually conducted the conservation treatment for removal of chloride ions in the corrosion products. However, some iron artifacts are corroded again even after the conservation treatment due to unremoved chloride ions. Therefore, it is important to prevent desalinized artifacts from the occurrence of corrosion after the treatment. In this paper, we investigated the characteristics of corrosion products on salinized iron artifacts and evaluated the variety of desalination methods such as autoclave, intensive washing and NaOH. It was also found that ${\beta}-FeOOH$ (Akaganeite) played an important role on the occurrence of corrosion and the treatment for removal of chloride ions. The extents of desalination were compared between the desalination methods. Results showed that the autoclave method represented the highest efficiency for desalination while the intensive washing method was the lowest.

Keywords

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  1. Study on Characteristics of Corrosion Products Generated in Iron Artifacts after Conservation Treatments vol.29, pp.4, 2013, https://doi.org/10.12654/JCS.2013.29.4.01