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Journal Articles Transactions of the Indian Institute of Metals Year : 2012

Microstructural Characterization of Graphite Spheroids in Ductile Iron

Abstract

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.
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hal-01048727 , version 1 (25-07-2014)

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Koenraad Theuwissen, Marie-Christine Lafont, Lydia Laffont, Bernard Viguier, Jacques Lacaze. Microstructural Characterization of Graphite Spheroids in Ductile Iron. Transactions of the Indian Institute of Metals, 2012, vol. 65, pp. 627-631. ⟨10.1007/s12666-012-0162-5⟩. ⟨hal-01048727⟩
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