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http://dx.doi.org/10.22790/conservation.2021.25.0085

Three-dimensional digital recording of the conservation treatment and form analysis of an iron ring pommel  

Choi, Hyoryeong (Department of Cultural Heritage Conservation Sciences)
Hong, Seonghyuk (Department of Cultural Heritage Conservation Sciences)
Jo, Younghoon (Department of Cultural Heritage Conservation Sciences)
Cho, Namchul (Department of Cultural Heritage Conservation Sciences)
Publication Information
Conservation Science in Museum / v.25, no., 2021 , pp. 85-94 More about this Journal
Abstract
Conservation treatment of metallic artifacts contaminated with corrosion and foreign substances requires changes in the shape, characteristics, weight and thickness of the artifacts. Thus far, recording the changes after conservation treatment has mainly been performed through visual observation and photography, which lacks any quantitative description of the changes. In this study, the processes of removing foreign substances, joining cracks, and restoring an affected area were recorded using 3D scanning and then quantitatively analyzed to identify changes in form due to conservation treatment. The volume change after the conservation process was calculated based on the results of the 3D scanning, and numerical data on the changes to the form was analyzed. It was revealed that the foreign or corroded substances removed after the conservation accounted for 18.1 cm3, which is approximately 52% of the total volume of the ring pommel, and those substances were removed from about 98% of the surface of the ring pommel. This study confirmed that 3D form analysis was useful for recording the processes of conservation treatment and analyzing the results. It is therefore believed that this methodology can be applicable to not only metal artifacts, but to cultural heritage items in a range of materials.
Keywords
Iron Artifact; Conservation Treatment; Three-dimensional Scanning; Digital Documentation; Shape Analysis;
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