A Study of the Oxygen Activity Before Start of Solidification of Cast Irons

In the present paper the oxygen balance during a temperature decrease and especially at temperatures close to the liquidus temperature has been studied for lamellar, compacted and nodular cast irons. Extrapolated data from the full scale trial results show that there are significant differences in t...

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Autores principales: Ekengård, J., Diószegi, A., Jönsson, P.G.
Formato: Artículo
Lenguaje:Inglés
Publicado: INTEMA - UNMdP-CONICET 2014
Acceso en línea:10 Th International Symposium on the Science and Processing of Cast Iron. 2014. Argentina: Mar del Plata 10 to 13th of November.
Aporte de:
RINFI - Facultad de Ingeniería (UNLdP) de Universidad Nacional de Mar del Plata (UNMdP)
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record_format ojs
institution Universidad Nacional de Mar del Plata (UNMdP)
institution_str I-29
repository_str R-182
container_title_str RINFI - Facultad de Ingeniería (UNLdP)
language Inglés
format Artículo
author Ekengård, J.
Diószegi, A.
Jönsson, P.G.
spellingShingle Ekengård, J.
Diószegi, A.
Jönsson, P.G.
A Study of the Oxygen Activity Before Start of Solidification of Cast Irons
author_facet Ekengård, J.
Diószegi, A.
Jönsson, P.G.
author_sort Ekengård, J.
title A Study of the Oxygen Activity Before Start of Solidification of Cast Irons
title_short A Study of the Oxygen Activity Before Start of Solidification of Cast Irons
title_full A Study of the Oxygen Activity Before Start of Solidification of Cast Irons
title_fullStr A Study of the Oxygen Activity Before Start of Solidification of Cast Irons
title_full_unstemmed A Study of the Oxygen Activity Before Start of Solidification of Cast Irons
title_sort study of the oxygen activity before start of solidification of cast irons
description In the present paper the oxygen balance during a temperature decrease and especially at temperatures close to the liquidus temperature has been studied for lamellar, compacted and nodular cast irons. Extrapolated data from the full scale trial results show that there are significant differences in the level of dissolved oxygen before start of solidification. Earlier research suggest the influence of the dissolved oxygen on the graphite shape, while the present work draws the attention on how the different shaped lamellar-, compacted- and nodular graphite is incorporated in the austenite matrix based on the differences in the dissolved oxygen content. Predicted differences in the dissolved oxygen are also suggested to influence the growth mechanism of the eutectic colonies and the graphite morphologies in the lamellar cast irons.
publisher INTEMA - UNMdP-CONICET
publishDate 2014
url 10 Th International Symposium on the Science and Processing of Cast Iron. 2014. Argentina: Mar del Plata 10 to 13th of November.
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