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A Study of the Oxygen Activity before Start of Solidification of Cast Irons
Jönköping University, School of Engineering, JTH. Research area Materials and manufacturing – Casting. Sandvik SRP AB.
Jönköping University, School of Engineering, JTH. Research area Materials and manufacturing – Casting.
KTH.
2014 (English)In: Proceedings of the 10th International Symposium on the Science and Processing of Cast Iron, SPCI10, November, 2014, Mar del Plata, Argentina., 2014Conference paper, Published paper (Refereed)
Abstract [en]

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.

Place, publisher, year, edition, pages
2014.
Keyword [en]
austenite, primary dendrite, lamellar graphite, compacted graphite, nodular graphite, oxygen
National Category
Metallurgy and Metallic Materials
Identifiers
URN: urn:nbn:se:hj:diva-27637OAI: oai:DiVA.org:hj-27637DiVA: diva2:843446
Conference
The 10th International Symposium on the Science and Processing of Cast Iron, SPCI10, November, 2014, Mar del Plata, Argentina.
Available from: 2015-07-28 Created: 2015-07-28 Last updated: 2015-08-04Bibliographically approved

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http://rinfi.fi.mdp.edu.ar/xmlui/handle/123456789/49

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CiteExportLink to record
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