A5010215661- Metallurgy and Cultural Artifacts
- Cultural Heritage Materials Analysis
- Corrosion Behavior and Inhibition
- Archaeology and ancient environmental studies
- Hydrogen embrittlement and corrosion behaviors in metals
- Building materials and conservation
- Archaeological Research and Protection
- Ancient and Medieval Archaeology Studies
- Maritime and Coastal Archaeology
- Concrete Corrosion and Durability
- Conservation Techniques and Studies
- Metal Extraction and Bioleaching
- Image Processing and 3D Reconstruction
- Metallurgical Processes and Thermodynamics
- Ancient Mediterranean Archaeology and History
- Archaeology and Historical Studies
- Geological and Geochemical Analysis
- Microstructure and Mechanical Properties of Steels
- Radioactive element chemistry and processing
- Nuclear materials and radiation effects
- Medieval Architecture and Archaeology
- Metal Alloys Wear and Properties
- Glass properties and applications
- Eurasian Exchange Networks
- X-ray Spectroscopy and Fluorescence Analysis
Centre National de la Recherche Scientifique
2015-2024
Commissariat à l'Énergie Atomique et aux Énergies Alternatives
2015-2024
CEA Paris-Saclay
2015-2024
Institut de Recherche sur les ArchéoMATériaux
2015-2024
Université Paris-Saclay
2015-2024
Laboratoire Archéomatériaux et Prévision de l'Altération
2015-2024
Laboratoire de Chimie Moléculaire et Thioorganique
2011-2022
Service Interdisciplinaire sur les Systèmes Moléculaires et les Matériaux
2010-2021
Université de technologie de belfort-montbéliard
2008-2021
Nanosciences et Innovation pour les Matériaux, la Biomédecine et l'Énergie
2018-2021
Abstract Iron archaeological artefacts were studied to understand long‐term corrosion by the atmosphere. Indeed, these samples collected on construction elements of ancient monuments present rust layers formed during their exposure over centuries indoor Thanks Raman spectroscopy and acquisition hyperspectral images scales, several zones observed cross sections could be characterised. It has been shown six dated that main phase is goethite (α‐FeOOH). Lepidocrocite akaganeite (γ‐FeOOH β‐FeOOH)...
Abstract The description and identification of corrosion products formed on archaeological iron artefacts need various approaches at different observation scales. For this study, samples from five sites were prepared using two techniques. first consists in cutting cross‐sections perpendicular to layers. This allows local observations analysis the layer stratigraphy levels. second performing manual grinding or abrading layers starting current surface excavated artefact metal core. It...
The description and identification of corrosion products formed on archaeological iron artefacts need various approaches at different observation scales. Among analytical techniques available to document phase structure the microscopic range, Raman spectroscopy offers sensitivity discrimination between with an easy implementation. Results obtained for in soils atmosphere are presented. Corrosion forms observed anoxic aerated one hand indoor other documented. Beyond organisation through...
Abstract Archaeological objects are exposed to the action of micro‐organisms when they lay in a biologically active environment. The presence iron sulfides corrosion system testifies most cases that degradation was influenced by sulfate‐reducing bacteria. Iron and other iron/sulfur‐containing compounds were detected micro‐Raman spectroscopy rust layers archaeological ferrous wet wooden fragments contaminated iron, extracted from ancient wrecks. Although mackinawite (FeS) is very reactive...
Abstract Deterioration after excavation of archaeological iron artefacts buried in soil is often associated with the presence chlorinated phases corrosion products, leading to serious problems for conservation metallic objects cultural heritage. Therefore, order better understand process related chlorine, some high‐resolution techniques material characterisation are implemented. The analyses realised on cross sections corroded excavated from sites dated 12th 16th century A.D. Cl‐containing...
Silicate glasses are used as containment matrices for deep geological disposal of nuclear waste arising from spent fuel reprocessing. Understanding the dissolution mechanisms in contact with iron, an element present large amounts immediate environment (overpack, claystone, etc.) would be a major breakthrough toward predicting radionuclide release geosphere after disposal. Two different reacted glass–iron interfaces—a short-term system and long-term archeological system—were examined using...
Abstract Raman structural imaging can extract original information in order to answer new questions raised the recent studies on iron and low alloy steel corrosion. Up now, this technique has allowed extraction of qualitative distribution compounds constituting corrosion product layers. We propose here a methodology quantitative parameters from hyperspectral maps, executed by home‐developed software: LADIR‐CAT. Specifically developed for component imaging, approach program operation are...