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Abstract
Over time, artworks often sustain paint layer separation and air gaps within their internal structure due to storage conditions and past restoration efforts. Because of this, paint layer consolidation interventions are an essential activity for art conservators. However, it is difficult to determine the exact location and the extent of layer separation on a piece of art in a non-invasive way, and even more difficult to evaluate the success of a consolidation intervention. In this work, a fifteenth-century wood panel painting was analyzed using terahertz time-domain imaging before and after it was consolidated. Using the terahertz data, it was possible to determine the areas on the artwork in need of consolidation and aid the intervention. The analysis of the after data allowed for the control and determination of the success of the consolidation effort in a non-destructive manner.
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Details
1 Philipps-Universität Marburg, Department of Physics and Material Sciences Center, Marburg, Germany (GRID:grid.10253.35) (ISNI:0000 0004 1936 9756)
2 Technische Hochschule Köln, Cologne Institute of Conservation Sciences, Cologne, Germany (GRID:grid.434092.8) (ISNI:0000 0001 1009 6139)
3 Germanisches Nationalmuseum, Nuremberg, Germany (GRID:grid.461702.6) (ISNI:0000 0001 2161 603X)