X-rays investigations for the characterization of two 17th century brass instruments from Nuremberg

Albano, Michela; Fiocco, Giacomo; Comelli, Daniela; Licchelli, Maurizio; Canevari, Claudio; Tasso, F; Ricetti, Valentina; Cofrancesco, Pacifico; Malagodi, Marco

doi:10.21014/acta_imeko.v11i3.1077

Cited by 4 publications

(3 citation statements)

References 20 publications

(25 reference statements)

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“…Michela Albano et al, in the paper entitled "X-rays investigations for the characterization of two 17 th century brass instruments from Nuremberg", [16] propose a multidisciplinary approach mainly based on non-invasive analytical techniques and including X-rays investigations (X-ray radiography, X-ray fluorescence and X-ray diffraction) for the study of two brass natural horns from the end of the 17 th recently found in Castello Sforzesco in Milan (Italy). These findings brought new information about this class of objects; actually, even though the instruments were heavily damaged, their historical value was great.…”

Section: Dear Readersmentioning

confidence: 99%

Introductory notes for the Acta IMEKO third issue 2022

Lamonaca¹

2022

ACTA IMEKO

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Section: Dear Readersmentioning

confidence: 99%

Introductory notes for the Acta IMEKO third issue 2022

Lamonaca¹

2022

ACTA IMEKO

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“…So, the preservation of their integrity over time is a challenging task because it comes up against the natural degradation process of any material. Depending on the material it is made of and on the conservation environment, the periodic maintenance and monitoring of discovery require appropriate methodologies and measurement techniques, [1], [2]. Measurement science combined with conventional methods and tools used in the field of conservation and restoration of cultural heritage offers new and complementary perspectives for defining effective methods to assure the preservation for centuries and centuries, [3].…”

Section: Introductionmentioning

confidence: 99%

An Emissivity-based Approach to Assess the Integrity State of Archaeological Discoveries by Thermography

Morello¹,

Gennaro²,

Fabbiano³

2023

Proceedings of the 2022 IMEKO TC4 International Conference on Metrology for Archaeology and Cultural Heritage

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In this paper the authors propose an innovative technique to evaluate the integrity state of archaeological discoveries by using thermography. The proposed approach is based on the concept of emissivity. The case study is a marble bust of a woman that dates back to ancient Rome. The emissivity of the bust material has been evaluated by using a standardized procedure. To assess the integrity state of the sculpture, the environment temperature has been kept under control to allow the bust to reach thermal equilibrium. By evaluating pixel by pixel, the temperature deviation around the known equilibrium value, it has been possible to map the emissivity changes in the sculpture due to different conservation or decay states: alveolisation process, erosion, damages, deposition of iron oxide, etc. The proposed approach has allowed us to correlate the changes of emissivity with the integrity state of the sculpture. Preliminary studies on the bust provide interesting information about the deterioration from the original condition.

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“…Thermography can be a useful tool to inspect the surface of the archaeological and historical discoveries to detect material alterations due to alveolisation processes, erosions, deposition of iron oxide, defects, fissures, and material irregularities. The natural degradation process of material needs periodic monitoring and maintenance activities, [1]- [5]. The aim of the authors is to propose a measurement methodology to support the heritage restoration reducing costs and scheduling activities only when they are necessary.…”

Section: Introductionmentioning

confidence: 99%

A Technique to Support the Restoration Activities of Archaeological Discoveries

Morello,

De Capua,

Gennaro

et al. 2023

Proceedings of the 2022 IMEKO TC4 International Conference on Metrology for Archaeology and Cultural Heritage

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In this paper the authors propose the use of passive and active thermography to support the restoration of archaeological discoveries. Archaeological restoration is a time-consuming activity entailing high costs. Therefore, the possibility to schedule restoration when it becomes necessary is an important goal. In addition, to guide the restorer on the parts of the archaeological heritage which require urgent maintenance can be a significant support. The proposed technique allows to detect the damaged parts due to material alterations like alveolisation processes, erosions, deposition of iron oxide, defects, fissures, and material irregularities. By evaluating pixel by pixel, the temperature deviation around the known equilibrium value, it is possible to map the material alterations or the parts affected by decay states. Such material alterations are often invisible to the naked eye especially at their onset. This technique allows to highlight the material alterations on the artefact surface by characterizing the emissivity changes. Experimental results on an ancient medallion and on fragments of a marble sarcophagus are reported to prove the relevance of the proposed methodology.

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X-rays investigations for the characterization of two 17th century brass instruments from Nuremberg

Cited by 4 publications

References 20 publications

Introductory notes for the Acta IMEKO third issue 2022

Introductory notes for the Acta IMEKO third issue 2022

An Emissivity-based Approach to Assess the Integrity State of Archaeological Discoveries by Thermography

A Technique to Support the Restoration Activities of Archaeological Discoveries

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