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Open AccessArticle

Aluminum Laminates in Beverage Packaging: Models and Experiences

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Department of Civil and Environmental Engineering, Politecnico di Milano, piazza Leonardo da Vinci 32, 20133 Milano, Italy
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Tetra Pak Packaging Solutions Spa, Via Antonio Delfini 1, 41123 Modena, Italy
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Author to whom correspondence should be addressed.
Academic Editor: Frank Welle
Beverages 2015, 1(3), 183-193; https://doi.org/10.3390/beverages1030183
Received: 6 July 2015 / Revised: 23 July 2015 / Accepted: 28 July 2015 / Published: 7 August 2015
(This article belongs to the Special Issue Beverage Packaging)
Aluminum laminates are among the main components of beverage packaging. These layered material systems are coupled to paperboard plies except in the cap opening area, where the human force limit sets a requirement on the material properties to allow open-ability and the mechanical characteristics are of particular interest. Experimental investigations have been carried out on this composite and on its components by either traditional or full-field measurement techniques. The interpretation of the collected data has been supported by the simulation of the performed tests considering either a homogenized material model or the individual laminate layers. However, different results may be recovered from similar samples due to physical factors like the material processing route and the embedded defectiveness. In turn, the conclusions may vary depending on the model assumptions. This contribution focuses on the physical effects and on the modeling of the large localized deformation induced by material singularities. This topic is discussed at the light of some experimental results. View Full-Text
Keywords: beverage packaging; aluminum laminates; mechanical response; simulation models beverage packaging; aluminum laminates; mechanical response; simulation models
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Bolzon, G.; Cornaggia, G.; Shahmardani, M.; Giampieri, A.; Mameli, A. Aluminum Laminates in Beverage Packaging: Models and Experiences. Beverages 2015, 1, 183-193.

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