Aluminum Laminates in Beverage Packaging: Models and Experiences

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 ar...

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Bibliographic Details
Published in:Beverages (Basel) 2015-09, Vol.1 (3), p.183-193
Main Authors: Bolzon, Gabriella, Cornaggia, Greta, Shahmardani, Mahdieh, Giampieri, Andrea, Mameli, Alberto
Format: Article
Language:English
Subjects:
Aluminum
aluminum laminates
beverage packaging
Computer simulation
Conflicts of interest
Deformation effects
Laminates
Layers
Material properties
Mechanical properties
mechanical response
Packaging
Paper board
Physical factors
Polyethylene
Polymers
simulation models
Singularities
Stress concentration
Tension tests
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Summary: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.
ISSN:2306-5710
2306-5710
DOI:10.3390/beverages1030183