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Article dans une revue

Microstructure and long-term corrosion of archaeological iron alloy artefacts

Abstract : The smithing skills of craftsmen in the western Mediterranean during the early Iron Age can be determined by studying the microstructure of oxidised iron items. While some ghost structures have already been identified in dense corrosion products, their formation has not always been explained. Four objects from southern France were analysed using optical microscopy, X-ray diffraction, micro-Raman spectroscopy and field-emission scanning electron microscopy coupled with energy dispersive spectroscopy and electron backscatter diffraction. The role of microstructure, grain boundaries, cracks, species diffusion through oxides in soil corrosion and the initial microstructure are discussed. An additional parallel degradation mechanism (graphitisation) was experimentally revealed.
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https://hal.archives-ouvertes.fr/hal-02899915
Contributeur : Anne-Laure Grevey <>
Soumis le : jeudi 26 novembre 2020 - 11:04:54
Dernière modification le : lundi 30 novembre 2020 - 09:52:15

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Anne-Laure Grevey, V. Vignal, H. Krawiec, P. Ozga, K. Peche-Quilichini, et al.. Microstructure and long-term corrosion of archaeological iron alloy artefacts. Heritage Science, Springer, 2020, 8 (1), ⟨10.1186/s40494-020-00398-9⟩. ⟨hal-02899915⟩

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