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Defect formation mechanisms in lamellar cast iron related to the casting geometry
Jönköping University.
Jönköping University.ORCID iD: 0000-0001-7012-9342
Jönköping University.
Linnaeus University, Faculty of Technology, Department of Mechanical Engineering. (Maskinteknik)ORCID iD: 0000-0003-0453-0503
2015 (English)In: Advances in the science and engineering of casting solidification: An MPMD symposium honoring Doru Michael Stefanescu / [ed] Laurentiu Nastac, Baicheng Liu, Hasse Fredriksson, Jacques Lacaze, Chun-Pyo Hong, Adrian Catalina, Andreas Buhrig-Polaczek, Daan M. Maijer, Charles Andrew Monroe, Adrian Sabau, Roxana Ruxanda, Alan A. Luo, Subhayu Sen, Attila Diószegi, Hoboken, New Jersey: John Wiley & Sons, 2015, p. 251-259Conference paper, Published paper (Refereed)
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Abstract [en]

Although lamellar cast iron has been used in advanced applications for about twenty years, our knowledge about the mechanisms affecting microstructure and defect formation is relatively limited. The present paper summarizes some solidification related phenomena from a series of recently published peer reviewed papers and scientific theses and suggests a mechanism of defect formation which is dependent on the shape of the solidifying casting geometry. When shrinkage porosity or metal expansion penetration occurs evidence of material transport in the intergranular zone of primary equiaxed austenite grains in the casting and in the intergranular regions between the sand grains in the mold material is seen. Material transport occurs across the casting-mold interface where the existence of or the permeability of the primary columnar zone determines if material transport can take place.

Place, publisher, year, edition, pages
Hoboken, New Jersey: John Wiley & Sons, 2015. p. 251-259
Keywords [en]
Lamellar Cast Iron, Columnar Zone, Equiaxed Zone, Permeability, Material Transport
National Category
Metallurgy and Metallic Materials Mechanical Engineering
Identifiers
URN: urn:nbn:se:lnu:diva-51029DOI: 10.1002/9781119093367.ch30Scopus ID: 2-s2.0-84931471962ISBN: 9781119082385 (print)ISBN: 9781119093367 (print)OAI: oai:DiVA.org:lnu-51029DiVA, id: diva2:912936
Conference
The honorary symposium "Advances in the Science and Engineering of Casting Solidification" (TMS2015, Orlando, Florida, March 15-19, 2015) held in honor of Professor Doru Michael Stefanescu, Emeritus Professor, Ohio State University and the University of Alabama, USA
Available from: 2015-07-28 Created: 2016-03-18 Last updated: 2016-08-11Bibliographically approved

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Svidró, PeterDugic, Izudin

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