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Criterion for dendrite fragmentation of steel under imposition of linear traveling EMS
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Applied Process Metallurgy.
2011 (English)In: 2010 International Conference on Advances in Materials and Manufacturing Processes, ICAMMP 2010, 2011, 84-91 p.Conference paper, Published paper (Refereed)
Abstract [en]

In the fragmentation theory of T. Campanella et al, the local remelting of dendrite arms is induced by the solute-rich fluid flow. Based on this theory, the effects of linear EMS intensity and solute content on CET of steel are investigated. The conclusions are as follows: The criterion for dendrite fragmentation under linear EMS is derived based on dendrite fragmentation theory by T. Campanella et al. And the criterion is verified with steel experiments. It is valid for steel under the Linear EMS. Investigation is carried out on relation between critical volume fraction of solid and solute content at the time of dendrite fragmentation (CET occurrence). It is concluded that critical volume fraction of solid is small with low EMS intensity and it decreases with the increase of solute content (C, Mn). The reason is that it causes that flow in the mushy zone becomes small which leads to CET occurrence difficult.

Place, publisher, year, edition, pages
2011. 84-91 p.
Keyword [en]
CET, Dendrite fragmentation, EMS, Fraction of solid, Secondary arm spacing, Flow of fluids, Industrial engineering, Manganese, Manufacture, Production engineering, Titration, Dendrites (metallography)
National Category
Metallurgy and Metallic Materials
Identifiers
URN: urn:nbn:se:kth:diva-151440DOI: 10.4028/www.scientific.net/AMR.148-149.84ISI: 000289402400014Scopus ID: 2-s2.0-78650645632ISBN: 9780878492015 (print)OAI: oai:DiVA.org:kth-151440DiVA: diva2:748738
Conference
2010 International Conference on Advances in Materials and Manufacturing Processes, 6 November 2010 through 8 November 2010, Shenzhen
Note

QC 20140922

Available from: 2014-09-22 Created: 2014-09-22 Last updated: 2014-09-22Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
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  • vancouver
  • Other style
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  • de-DE
  • en-GB
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  • nn-NO
  • nn-NB
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  • Other locale
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Output format
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