On the ductility potential of cast Al-Cu-Mg (206) alloys

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The yield strength-elongation relationship in cast Al-Cu-Mg alloys (206) castings has been investigated by analyzing 13 datasets from the literature on premium quality castings. The data representing the elongation for a given yield strength have been found to fall within an envelope, the top limit of which represents the ductility potential of Al-Cu-Mg alloy castings. Moreover, using the fracture toughness equation by Hahn and Rosenfield, estimated intrinsic fracture toughness values have been found to be consistent with the data reported in the literature. (C) 2008 Elsevier B.V. All rights reserved.


Original languageEnglish
Pages (from-to)23-26
Number of pages4
JournalMaterials Science and Engineering A
Issue number1-2
Publication statusPublished - 1 Apr 2009


  • Elongation, B206, A206, Bifilms