Understanding Compacted Graphite Iron Solidification through Interrupted Solidification Experiments

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While the manufacture of compacted graphite (CG) iron castings has seen significant expansion over the recent years, the growth of CG during iron solidification is still not fully understood. In this work effort was expanded to experimentally reveal the evolution of graphite shape during early solid...

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Detalles Bibliográficos
Autores principales:	Alonso, G., Stefanescu, D.M., Larrañaga, P., Suarez, R.
Lenguaje:	Inglés
Publicado:	2014
Materias:	Solidification Compacted Graphite Iron Interrupted Solidification
Acceso en línea:	http://rinfi.fi.mdp.edu.ar/handle/123456789/13
Aporte de:	RINFI - Facultad de Ingeniería (UNMdP) de Universidad Nacional de Mar del Plata (UNMdP)

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spelling	I29-R182-123456789-132024-07-04T15:47:41Z Understanding Compacted Graphite Iron Solidification through Interrupted Solidification Experiments Alonso, G. Stefanescu, D.M. Larrañaga, P. Suarez, R. Solidification Compacted Graphite Iron Interrupted Solidification While the manufacture of compacted graphite (CG) iron castings has seen significant expansion over the recent years, the growth of CG during iron solidification is still not fully understood. In this work effort was expanded to experimentally reveal the evolution of graphite shape during early solidification and its relationship to the solid fraction. To this purpose, interrupted solidification experiments were carried out on hypereutectic irons with three magnesium levels. The graphite shape factors were measured and analyzed as a function of chemical composition and solid fraction. Scanning electron microscopy was carried on to establish the fraction of solid at which the transition from spheroidal to compacted graphite occurs. It was confirmed that solidification started with the development of spheroidal graphite (SG) for all CG irons. The SG-to-CG transition was considered to occur when the spheroidal graphite developed a tail (tadpole graphite). The findings were integrated in previous knowledge to attempt an understanding of the solidification of CG iron. 2014-11-13 10 Th International Symposium on the Science and Processing of Cast Iron. 2014. Argentina: Mar del Plata 10 to 13 th of November. 978-987-45833-0-7 http://rinfi.fi.mdp.edu.ar/handle/123456789/13 en
institution	Universidad Nacional de Mar del Plata (UNMdP)
institution_str	I-29
repository_str	R-182
collection	RINFI - Facultad de Ingeniería (UNMdP)
language	Inglés
topic	Solidification Compacted Graphite Iron Interrupted Solidification
spellingShingle	Solidification Compacted Graphite Iron Interrupted Solidification Alonso, G. Stefanescu, D.M. Larrañaga, P. Suarez, R. Understanding Compacted Graphite Iron Solidification through Interrupted Solidification Experiments
topic_facet	Solidification Compacted Graphite Iron Interrupted Solidification
description	While the manufacture of compacted graphite (CG) iron castings has seen significant expansion over the recent years, the growth of CG during iron solidification is still not fully understood. In this work effort was expanded to experimentally reveal the evolution of graphite shape during early solidification and its relationship to the solid fraction. To this purpose, interrupted solidification experiments were carried out on hypereutectic irons with three magnesium levels. The graphite shape factors were measured and analyzed as a function of chemical composition and solid fraction. Scanning electron microscopy was carried on to establish the fraction of solid at which the transition from spheroidal to compacted graphite occurs. It was confirmed that solidification started with the development of spheroidal graphite (SG) for all CG irons. The SG-to-CG transition was considered to occur when the spheroidal graphite developed a tail (tadpole graphite). The findings were integrated in previous knowledge to attempt an understanding of the solidification of CG iron.
author	Alonso, G. Stefanescu, D.M. Larrañaga, P. Suarez, R.
author_facet	Alonso, G. Stefanescu, D.M. Larrañaga, P. Suarez, R.
author_sort	Alonso, G.
title	Understanding Compacted Graphite Iron Solidification through Interrupted Solidification Experiments
title_short	Understanding Compacted Graphite Iron Solidification through Interrupted Solidification Experiments
title_full	Understanding Compacted Graphite Iron Solidification through Interrupted Solidification Experiments
title_fullStr	Understanding Compacted Graphite Iron Solidification through Interrupted Solidification Experiments
title_full_unstemmed	Understanding Compacted Graphite Iron Solidification through Interrupted Solidification Experiments
title_sort	understanding compacted graphite iron solidification through interrupted solidification experiments
publishDate	2014
url	http://rinfi.fi.mdp.edu.ar/handle/123456789/13
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_version_	1807948629863825408

Understanding Compacted Graphite Iron Solidification through Interrupted Solidification Experiments

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