Preserving cultural heritage through radiation-curing resin consolidation: a case study of an indigenous ceramic vessel

Ana Carolina Delgado Vieira; Pablo Antonio Vasquez Salvador; Maria José Alves de Oliveira; Fabiola Andrea da Silva

doi:10.15392/2319-0612.2024.2560

Autores

Ana Carolina Delgado Vieira Museum of Archeology and Ethnology University of São Paulo Av. Professor Almeida Prado, 1466 05508-070 São Paulo, SP, Brazil ana.carolina.vieira@usp.br
Pablo Antonio Vasquez Salvador Instituto de Pesquisas Energéticas e Nucleares, IPEN–CNEN/SP https://orcid.org/0000-0003-4168-1626 (não autenticado)
Maria José Alves de Oliveira Instituto de Pesquisas Energéticas e Nucleares, IPEN–CNEN/SP https://orcid.org/0000-0001-5158-7583 (não autenticado)
Fabiola Andrea da Silva Museu de Arqueologia e Etnologia - MAE/USP https://orcid.org/0000-0001-5995-4704 (não autenticado)

DOI:

https://doi.org/10.15392/2319-0612.2024.2560

Palavras-chave:

radiação gama, cobalto-60, polimerização por radiação, consolidação, cerâmica

Resumo

Este artigo apresenta uma investigação sobre a aplicação da radiação gama como método de consolidação de bens culturais, tendo como estudo de caso um vaso cerâmico pertencente ao povo indígena amazônico Asurini do Xingu. Os métodos tradicionais de consolidação de bens culturais com uso da radiação gama envolvem a impregnação do objeto por uma resina radiocurável. Este estudo fez uso de uma resina consolidante aplicada por meio de pincelamento, apenas na parte externa do vaso. A pesquisa incluiu pesagens do objeto antes e depois do processo de consolidação, além da avaliação de possíveis alterações de cor utilizando um colorímetro. Os resultados indicaram a eficácia do método, sem evidências de mudanças negativas no aspecto do bem cultural.

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Biografia do Autor

Pablo Antonio Vasquez Salvador, Instituto de Pesquisas Energéticas e Nucleares, IPEN–CNEN/SP

Bachelor's degree in Chemical Engineering from the Polytechnic School (1999), Master's degree in Sciences from the University of São Paulo (2004), and Ph.D. in Sciences from the University of São Paulo and Washington University in St. Louis (2009). Researcher at the Institute for Energy and Nuclear Research (IPEN). Professor and advisor at the Master's and Ph.D. levels in the Nuclear Technology Graduate Program at the University of São Paulo (USP). Responsible for the research line and application of ionizing radiation for the preservation of cultural heritage. Consultant for the International Atomic Energy Agency (IAEA) on the preservation of cultural heritage using ionizing radiation. Specialist in the use of ionizing radiation in the sterilization and modification of material properties, radio-sterilization, food, polymers, biomaterials, tissues, implants, etc. Qualification of packaging/products and good sterilization practices, validation, and control of the irradiation process. Research, technological development, licensing, and qualification of industrial irradiators and environmental impact. Research and development of industrial dosimetry systems for irradiators. Lead researcher/coordinator of the Cobalt-60 Multipurpose Irradiator at the Radiation Technology Center (CETER/IPEN). Application and studies of ionizing radiation for modifying the physicochemical properties of materials. Experienced in the field of Chemical Engineering, with an emphasis on the application of radioisotopes in the industry for quality control and process optimization: gamma scanning, radioactive tracers, computed tomography, scintillation detectors, and nucleonic control systems.

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