Non-destructive Analysis Method to Characterize Physical Properties of Lime Plaster in Goguryeo Mural Tombs
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This study entailed non-destructive micro-computed tomography and chromaticity distribution (histogram) analysis of tomographic images with the aim of characterizing the physical properties including the internal structure and density of five samples of lime plaster collected from lime-comprised Goguryeo mural tombs dated to the 4th–6th centuries. Non-destructive micro-computed tomography analysis identified the layered structure of the walls, the distribution of component minerals, and the size and distribution of pores. Chromaticity distribution analysis of cross-sectional images identified density trends in component materials. Combining these methods is an effective research approach for determining the physical properties of plaster while minimizing damage to research materials.
Abstract
This study entailed non-destructive micro-computed tomography and chromaticity distribution (histogram) analysis of tomographic images with the aim of characterizing the physical properties including the internal structure and density of five samples of lime plaster collected from lime-comprised Goguryeo mural tombs dated to the 4th–6th centuries. Non-destructive micro-computed tomography analysis identified the layered structure of the walls, the distribution of component minerals, and the size and distribution of pores. Chromaticity distribution analysis of cross-sectional images identified density trends in component materials. Combining these methods is an effective research approach for determining the physical properties of plaster while minimizing damage to research materials.