Tomografia de neutrões aplicada a azulejos dos séculos XVI e XVII – visualização para caracterização, diagnóstico e optimização de técnicas de conservação
Keywords:
Neutron tomography, Glazed tiles, Conservation, Consolidant, Brushing and immersion, Non-destructive testingAbstract
Neutron tomography (NT) setup installed at the Portuguese Nuclear Research Reactor (Sacavém, Portugal) has been applied to visualize the inner structure of ancient Portuguese glazed tiles undergoing conservation treatments. Neutrons have the advantage of interacting strongly with hydrogen, so NT is able to map hydrogenous compounds with high sensitivity. NT showed that brushing technique appears to be more efficient than immersion for the application of the consolidant Paraloid® B-72 inside tiles. After treatment and immersion in water, water remains more time between the glaze and the ceramic body.
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