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De la source aux techniques. Méthodologies d'analyses élémentaires et structurales et physico-chimie de matériaux du patrimoine culturel

Abstract : Physico-chemistry of cultural heritage materials can bring informations about human activities through their selection, transport, transformation and their surrender. Moreover the conservation of cultural heritage needs the understanding of alteration mechanisms in order to control and prevent degradation processes. This manuscript presents the research activities developed around physico-chemistry of ancient materials since my PhD, a period during which the tackled questions were diversified. Now researches are organised around three directions: “archaeometry”, with the provenance studies and the history of techniques; “conservation”, with the diagnostic and the study of degradations; and “analogues”, with the long term alteration mechanisms. Analytical approaches implemented were diversified, from elementary analyses to structural characterisation using vibrational spectroscopies (Raman and infrared). After the presentation of my teaching and training activities, three chapters present the tackled research subjects. The first part: “Physico-chemistry of a natural glass: obsidian, a marker of exchange networks”, present the works performed on obsidian provenance studies using their elementary composition, and then their structural properties. The second part: “Corrosion products of ferrous metals: from structural characterisation of analogues to alteration mechanisms and its prevention”, describe the methodologies introduced using Raman spectroscopy to characterise corrosion products. The deduced informations should contribute to the description of mechanisms and provide diagnosis indicators for conservation and restoration. The last part: “Projects under development: natural organic substances from cultural heritage artefacts” present the first results obtained on this recently opened research field. The aim is to contribute to the recognition of substances used, either raw or transformed, or used in varnishes, these for taking part in problematics around material circulation, history of techniques or conservation purpose.
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https://tel.archives-ouvertes.fr/tel-00540472
Contributor : Ludovic Bellot-Gurlet <>
Submitted on : Friday, November 26, 2010 - 5:22:42 PM
Last modification on : Wednesday, October 14, 2020 - 3:52:56 AM
Long-term archiving on: : Sunday, February 27, 2011 - 3:02:26 AM

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  • HAL Id : tel-00540472, version 1

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Ludovic Bellot-Gurlet. De la source aux techniques. Méthodologies d'analyses élémentaires et structurales et physico-chimie de matériaux du patrimoine culturel. Chimie analytique. Université Pierre et Marie Curie - Paris VI, 2010. ⟨tel-00540472⟩

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