First successful Brazilian case of consolidation of a polychrome wooden sculpture using ionizing radiation
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Journal of Radioanalytical and Nuclear Chemistry
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This study evaluates the effectiveness of a consolidation treatment using ionizing radiation and a polyester–styrene resin
applied to a polychrome wooden sculpture of Saint Jerome severely damaged by insect attack. The artwork, belonging to the
Museum of the Palácio dos Bandeirantes (São Paulo, Brazil), was characterized using non-destructive imaging techniques,
including radiography and tomography. Resin impregnation was performed in a custom stainless-steel vessel operating under
vacuum and positive pressure. The sculpture was then treated with gamma radiation to a total absorbed dose of 50 kGy. The
treatment achieved full structural consolidation, allowing safe restoration and suitability for exhibition.