Please use this identifier to cite or link to this item: http://bura.brunel.ac.uk/handle/2438/8339
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dc.contributor.authorLalpoor, M-
dc.contributor.authorEskin, DG-
dc.contributor.authorRuvalcaba, D-
dc.contributor.authorFjaer, HG-
dc.contributor.authorTen Cate, A-
dc.contributor.authorOntijt, N-
dc.contributor.authorKatgerman, L-
dc.date.accessioned2014-04-24T11:01:41Z-
dc.date.available2014-04-24T11:01:41Z-
dc.date.issued2011-
dc.identifier.citationMaterials Science and Engineering: A, 528(6), 2831 - 2842, 2011en_US
dc.identifier.issn0921-5093-
dc.identifier.urihttp://www.sciencedirect.com/science/article/pii/S0921509310014334en
dc.identifier.urihttp://bura.brunel.ac.uk/handle/2438/8339-
dc.descriptionThis is the post-print version of the final paper published in Materials Science and Engineering: A. The published article is available from the link below. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. Copyright @ 2011 Elsevier B.V.en_US
dc.description.abstractFor almost half a century the catastrophic failure of direct chill (DC) cast high strength aluminum alloys has been challenging the production of sound ingots. To overcome this problem, a criterion is required that can assist the researchers in predicting the critical conditions which facilitate the catastrophic failure of the ingots. This could be achieved at first glance by application of computer simulations to assess the level and distribution of residual thermal stresses. However, the simulation results are only able to show the critical locations and conditions where and when high stresses may appear in the ingots. The prediction of critical void/crack size requires simultaneous application of fracture mechanics. In this paper, we present the thermo-mechanical simulation results that indicate the critical crack size distribution in several DC-cast billets cast at various casting conditions. The simulation results were validated upon experimental DC-casting trials and revealed that the existence of voids/cracks with a considerable size is required for cold cracking to occur.en_US
dc.languageEnglish-
dc.language.isoenen_US
dc.publisherElsevieren_US
dc.subjectAluminum alloysen_US
dc.subjectDC-castingen_US
dc.subjectCold crackingen_US
dc.subjectThermomechanical simulationsen_US
dc.subjectFractureen_US
dc.titleCold cracking in DC-cast high strength aluminum alloy ingots: An intrinsic problem intensified by casting process parametersen_US
dc.typeArticleen_US
dc.identifier.doihttp://dx.doi.org/10.1016/j.msea.2010.12.040-
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pubs.organisational-data/Brunel/Brunel Active Staff-
pubs.organisational-data/Brunel/Brunel Active Staff/Brunel Centre for Advanced Solidification Technology (BCAST)-
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Brunel Centre for Advanced Solidification Technology (BCAST)

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