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Simulation of thin aluminium-foil in the packaging industry
Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.
Lunds Universitet, SWE.
Altair Engineering AB, SWE.
Saab AB, SWE.
Show others and affiliations
2017 (English)In: AIP Conference Proceedings / [ed] Brabazon D.,Ul Ahad I.,Naher S., American Institute of Physics Inc. , 2017, Vol. 1896, article id 160014Conference paper, Published paper (Refereed)
Abstract [en]

This work present an approach of how to account for the anisotropic mechanical material behaviour in the simulation models of the thin aluminium foil layer (≈10 μm) used in the Packaging Industry. Furthermore, the experimental results from uniaxial tensile tests are parameterised into an analytical expression and the slope of the hardening subsequently extended way beyond the experimental data points. This in order to accommodate the locally high stresses present in the experiments at the neck formation. An analytical expression, denominated Ramberg-Osgood, is used to describe the non-linear mechanical behaviour. Moreover it is possible with a direct method to translate the experimental uniaxial tensile test results into useful numerical material model parameters in Abaqus™. In addition to this the extended material behaviour including the plastic flow i.e. hardening, valid after onset of localisation, the described procedure can also capture the microscopic events, i.e. geometrical thinning, ongoing in the deformation of the aluminium foil. This method has earlier successfully been applied by Petri Mäkelä for paperboard material [1]. The engineering sound and parameterised description of the mechanical material behaviour facilitates an efficient categorisation of different aluminium foil alloys and aid the identification of the correct anisotropic (RD/TD/45°) mechanical material behaviour derived from the physical testing. © 2017 Author(s).

Place, publisher, year, edition, pages
American Institute of Physics Inc. , 2017. Vol. 1896, article id 160014
National Category
Other Mechanical Engineering Metallurgy and Metallic Materials
Identifiers
URN: urn:nbn:se:bth-15679DOI: 10.1063/1.5008189ISI: 000419825000232Scopus ID: 2-s2.0-85037691878ISBN: 9780735415805 OAI: oai:DiVA.org:bth-15679DiVA, id: diva2:1168574
Conference
20th International ESAFORM Conference on Material Forming, ESAFORM,Dublin
Available from: 2017-12-21 Created: 2017-12-21 Last updated: 2018-01-25Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
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  • modern-language-association-8th-edition
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