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Art casting in Portuguese 19th century industrial foundries: a multi-analytical study of an emblematic copper-based alloy monument

dc.contributor.authorGeneral-Toro, Pablo
dc.contributor.authorBordalo, Rui
dc.contributor.authorMoreira, Patrícia Raquel
dc.contributor.authorVieira, Eduarda
dc.contributor.authorBrunetti, Antonio
dc.contributor.authorIannaccone, Roberta
dc.contributor.authorBottaini, Carlo
dc.date.accessioned2022-06-02T15:58:16Z
dc.date.available2022-06-02T15:58:16Z
dc.date.issued2021-09
dc.description.abstractThe outdoor sculpture of the first Portuguese king, D. Afonso Henriques (~1109 – 1185 AD), placed in Guimarães (North Portugal) is one of the most emblematic national sculptures. Created in 1887 by António Soares dos Reis, it possesses a remarkable symbolic value in the presumed birthplace of the king. In addition to the artistic and heritage importance of the monument, it is one of the few sculptures cast by a Portuguese industrial foundry in the 19th-century. This study obtained data on the sculpture's elemental composition and corrosion products, gathering important historical and technical information. For this purpose, a multi-analytical approach consisting of X-ray fluorescence (XRF), X-ray diffraction (XRD), optical microscopy (OM) and scanning electron microscopy (SEM-EDS) was carried out to characterise the bulk metal and corrosion layers. The data revealed a ternary alloy of Cu, Sn, Zn with Pb, Fe, As, Bi and Mn as minor elements. The alloy matches that of other sculptures cast in that period. In terms of corrosion, it is characterised by the presence of oxides. These results represent the first step for applying an appropriate conservation strategy for bronze sculptures with similar characteristics.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.20944/preprints202109.0005.v1pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.14/37811
dc.language.isoengpt_PT
dc.peerreviewednopt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subject19th century metal sculpturept_PT
dc.subjectAfonso Henriquespt_PT
dc.subjectArt foundriespt_PT
dc.subjectCorrosionpt_PT
dc.subjectElemental characterisationpt_PT
dc.subjectOutdoor sculpturept_PT
dc.titleArt casting in Portuguese 19th century industrial foundries: a multi-analytical study of an emblematic copper-based alloy monumentpt_PT
dc.typeworking paper
dspace.entity.typePublication
rcaap.rightsopenAccesspt_PT
rcaap.typeworkingPaperpt_PT

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