Paperboard is one of the most widely used materials in industrial processes, notably for packaging purposes. Packages are obtained through a continuous forming process, in which a flat laminated sheet is converted into the final 3-D solid. In the package forming process, it is common practice to score the paperboard laminate with crease lines, in order to obtain folds with sharp edges and to minimize the initiation and propagation of flaws during the subsequent folding procedures. In this work, a constitutive model for the mechanical response of crease lines is proposed and validated on the basis of experimental tests available in the literature.
An interface element to model the mechanical response of crease lines for carton-based packaging
PEREGO, UMBERTO;GIAMPIERI, ANDREA NICOLO'
2009-01-01
Abstract
Paperboard is one of the most widely used materials in industrial processes, notably for packaging purposes. Packages are obtained through a continuous forming process, in which a flat laminated sheet is converted into the final 3-D solid. In the package forming process, it is common practice to score the paperboard laminate with crease lines, in order to obtain folds with sharp edges and to minimize the initiation and propagation of flaws during the subsequent folding procedures. In this work, a constitutive model for the mechanical response of crease lines is proposed and validated on the basis of experimental tests available in the literature.File | Dimensione | Formato | |
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