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Experimental techniques for characterization of elastic-plastic material properties in paperboard
KTH, School of Engineering Sciences (SCI), Centres, VinnExcellence Center BiMaC Innovation.
2008 (English)In: Nordic Pulp & Paper Research Journal, ISSN 0283-2631, E-ISSN 2000-0669, Vol. 23, no 4, 432-437 p.Article in journal (Refereed) Published
Abstract [en]

Four experimental techniques to characterize elastic-plastic material properties for paperboard are presented. To evaluate properties as a function of paperboard thickness the bottom, middle and top plies were separated by grinding. The different plies have been characterized with respect to in-plane tension, cyclic ZD tension, out-of-plane shear and cyclic ZD compression. These tests were chosen since they are easily interpreted in term of stresses and strains, and give a good set of elastic-plastic material properties that are needed to describe the mechanical properties of the materials. For the ZD tension and compression tests several loading/unloading cycles were used in order to evaluate how the elastic modulus evolves as a function of deformation. For the ZD tension it was observed that the elastic modulus degrade faster than the strength. For all tests functions that describe the stress-strain curves are proposed and hence material parameters with a physical interpretation were introduced.

Place, publisher, year, edition, pages
2008. Vol. 23, no 4, 432-437 p.
Keyword [en]
Mechanical properties, Stress-strain properties, Tensile test, Compressive test, Shear test
National Category
Applied Mechanics
URN: urn:nbn:se:kth:diva-52276ISI: 000262102700013ScopusID: 2-s2.0-58149260180OAI: diva2:465621

QC 20111215

Available from: 2011-12-14 Created: 2011-12-14 Last updated: 2016-05-25Bibliographically approved

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Nygårds, Mikael
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