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Article Dans Une Revue MRS Bulletin Année : 2008

In Situ X-Ray tomography studies of microstructural evolution combined with 3D modelling

Résumé

Synchrotron x-ray microtomography is a characterization technique increasingly used to obtain 3D images of the interior of optically opaque materials with a spatial resolution in the micrometer range. As a nondestructive technique, it enables the monitoring of microstructural evolution during in situ experiments. In this article, examples from three different fields of metals research illustrate the contribution of x-ray tomography data to modeling: deformation of cellular materials, metal solidification, and fatigue crack growth in Al alloys. Conventionally, tomography probes the 3D distribution of the x-ray attenuation coefficient within a sample. However, this technique is also being extended to determine the local crystallographic orientation in the bulk of materials (diffraction contrast tomography), a key issue for the modeling of microstructure in metals.
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hal-00374955 , version 1 (16-09-2022)

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Paternité - Pas d'utilisation commerciale

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Jean-Yves Buffiere, Peter Cloetens, Wolfgang Ludwig, E. Maire, Luc Salvo. In Situ X-Ray tomography studies of microstructural evolution combined with 3D modelling. MRS Bulletin, 2008, 33, pp.611-619. ⟨10.1557/mrs2008.126⟩. ⟨hal-00374955⟩
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