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Erschienen in:
2011 | OriginalPaper | Buchkapitel
Constitutive Models and Failure Prediction for Al-Alloys in Industrial Applications
verfasst von : Christian Leppin
Erschienen in: Recent Developments and Innovative Applications in Computational Mechanics
Verlag: Springer Berlin Heidelberg
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There are some specific aspects of aluminum alloys which are to be considered in forming and crashworthiness simulations of aluminum components used in industrial applications. Firstly, some details about a material need to been known, since not just the alloy composition, but also the production process of the semi-finished product can significantly influence the deformation properties. Due to its FCC lattice structure, the elasto-plastic deformation of aluminum shows some features different from standard metals. For good results in FEA of forming processes, especially when fracture is to be predicted, the specific characteristics of the yield locus and the work-hardening behavior need to be reflected appropriately in the numerical model.