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On the influence of delamination on laminated paperboard creasing and folding

Beex, Lars and Peerlings, R. H. J. 2012. On the influence of delamination on laminated paperboard creasing and folding. Philosophical Transactions of the Royal Society A: Mathematical Physical and Engineering Sciences 370 (1965) , pp. 1912-1924. 10.1098/rsta.2011.0408

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Laminated paperboard is used as a packaging material for a wide range of products. During production of the packaging, the fold lines are first defined in a so-called creasing (or scoring) operation in order to obtain uncracked folds. During creasing as well as folding, cracking of the board is to be avoided. A mechanical model for a single fold line has been proposed in a previous study (Beex & Peerlings 2009 Int. J. Solids Struct. 46, 4192-4207) to investigate the general mechanics of creasing and folding, as well as which precise mechanisms trigger the breaking of the top layer. In the present study, we employ this modelling to study the influence of delamination on creasing and folding. The results reveal the separate role of the cohesive zone model and the friction model in the description of delamination. They also show how the amount of delamination behaviour should be controlled to obtain the desired high folding stiffness without breaking of the top layer.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Engineering
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Uncontrolled Keywords: paperboard; creasing; folding; delamination; experimental mechanics; numerical simulation
Publisher: The Royal Society
ISSN: 1471-2962
Last Modified: 19 Mar 2016 23:12

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