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Assessment by microtomography of 2D image analysis methods for the measurement of average grain coordination and size in an aggregate

type de publication      article dans une revue internationale avec comité de lecture
date de publication 2009
auteur(s) Limodin Nathalie; Salvo Luc; Suery Michel; Delannay Francis
journal (abréviation) Scripta Materialia (Scripta Mater)
volume (numéro) 60 (5)
  
pages 325 – 328
résumé The microstructural evolution of Al–15.8 wt.% Cu slurry held at 555 °C was characterized in situ by X-ray microtomography. The average solid grain coordination and size measured on the reconstructed three-dimensional (3D) objects are compared with the values derived via image analysis carried out on 2D sections of the same objects. A new method is proposed for obtaining the average grain coordination by 2D image analysis. The method proves to be more accurate than the procedure commonly used in the literature.
mots clés Synchrotron radiation X-ray microtomography; Quantitative image analysis; Metallography
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