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<p>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&#xa0;kGy. The treatment achieved full structural consolidation, allowing safe restoration and suitability for exhibition.</p>

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First successful Brazilian case of consolidation of a polychrome wooden sculpture using ionizing radiation: research and application

  • 期刊论文

  • 发表日期：

    2025年12月9日

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  • Maria J. A. de Oliveira,
  • Maria A. M. G. Pereira,
  • Vagner Fernandes,
  • Anderson G. de Jesus,
  • Adriana Pires,
  • Rachel Vallego,
  • Pablo A. S. Vasquez

摘要

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.