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Crystallography of growth blocks in spheroidal graphite

Brodu, Etienne and Bouzy, Emmanuel and Fundenberger, Jean-Jacques and Beausir, Benoit and Laffont, Lydia and Lacaze, Jacques Crystallography of growth blocks in spheroidal graphite. (2018) Materials Science Forum, 925. 54-61. ISSN 1662-9752

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Official URL: https://doi.org/10.4028/www.scientific.net/MSF.925.54

Abstract

A better understanding of spheroidal graphite growth is expected in a near future thanks to widespread use of transmission electron microscopy. However, common transmission electron microscopy is quite time consuming and new indexing techniques are being developed, among them is transmission Kikuchi diffraction in a scanning electron microscope, a recent technique derived from electron backscatter diffraction. In the present work, on-axis transmission Kikuchi diffraction in scanning electron microscope, completed by transmission electron microscopy, was used with the objective of producing new observations on the microstructure of spheroidal graphite. This study shows that disorientations between blocks and sectors in spheroidal graphite are quite large in the early growth stage, which may be indicative of a competition process selecting the best orientations for achieving radial growth along the c direction of graphite.

Item Type:Article
HAL Id:hal-01971924
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:Other partners > Arts et Métiers ParisTech (FRANCE)
French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Université de Toulouse > Institut National Polytechnique de Toulouse - INPT (FRANCE)
Université de Toulouse > Université Toulouse III - Paul Sabatier - UPS (FRANCE)
Other partners > Université de Lorraine (FRANCE)
Laboratory name:
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Deposited By: cirimat webmestre
Deposited On:07 Jan 2019 13:00

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