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Nano-scale orientation mapping of graphite in cast irons

Theuwissen, Koenraad and Lacaze, Jacques and Véron, Muriel and Laffont-Dantras, Lydia Nano-scale orientation mapping of graphite in cast irons. (2014) Materials Characterization, 95. 187-191. ISSN 1044-5803

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Official URL: http://dx.doi.org/10.1016/j.matchar.2014.06.021

Abstract

A diametrical section of a graphite spheroid froma ductile iron sample was prepared using the focused ion beam-lift out technique. Characterization of this section was carried out through automated crystal orientation mapping in a transmission electron microscope. This new technique automatically collects electron diffraction patterns and matches them with precalculated templates. The results of this investigation are crystal orientation and phase maps of the specimen, which bring new light to the understanding of growth mechanisms of this peculiar graphite morphology. This article shows that mapping the orientation of carbon-based materials such as graphite, which is difficult to achieve with conventional techniques, can be performed automatically and at high spatial resolution using automated crystal orientation mapping in a transmission electron microscope.

Item Type:Article
Additional Information:Thanks to Elsevier editor. The definitive version is available at http://www.sciencedirect.com The original PDF of the article can be found at Elsevier website : http://www.sciencedirect.com/science/article/pii/S1044580314001983
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Université de Toulouse > Institut National Polytechnique de Toulouse - INPT (FRANCE)
Other partners > Institut polytechnique de Grenoble (FRANCE)
Université de Toulouse > Université Toulouse III - Paul Sabatier - UPS (FRANCE)
Other partners > Université Joseph Fourier Grenoble 1 - UJF (FRANCE)
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Deposited By: cirimat webmestre
Deposited On:26 Jun 2015 15:52

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