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Microstructural Characterization of Graphite Spheroids in Ductile Iron

Theuwissen, Koenraad and Lafont, Marie-Christine and Laffont-Dantras, Lydia and Viguier, Bernard and Lacaze, Jacques Microstructural Characterization of Graphite Spheroids in Ductile Iron. (2012) Transactions of the Indian Institute of Metals, 65 (6). 627-631. ISSN 0972-2815

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Official URL: http://dx.doi.org/10.1007/s12666-012-0162-5


The present work brings new insights by transmission electron microscopy allowing disregarding or supporting some of the models proposed for spheroidal growth of graphite in cast irons. Nodules consist of sectors made of graphite plates elongated along a hai direction and stack on each other with their c axis aligned with the radial direction. These plates are the elementary units for spheroidal growth and a calculation supports the idea that new units continuously nucleate at the ledge between sectors.

Item Type:Article
Additional Information:Thanks to Springer Verlag editor. The definitive version is available at http://link.springer.com/article/10.1007%2Fs12666-012-0162-5
HAL Id:hal-01048727
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 - Toulouse INP (FRANCE)
Université de Toulouse > Université Toulouse III - Paul Sabatier - UT3 (FRANCE)
Laboratory name:
Deposited On:23 Aug 2013 13:13

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