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Experimental techniques for characterization of elasticplastic material properties in paperboard
RISE, STFI-Packforsk.ORCID iD: 0000-0002-9689-5966
2008 (English)In: Nordic Pulp & Paper Research Journal, ISSN 0283-2631, E-ISSN 2000-0669, Vol. 23, no 4, p. 432-437Article 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, p. 432-437
Keywords [en]
Compressive test, Mechanical properties, Shear test, Stress-strain properties, Tensile test
National Category
Paper, Pulp and Fiber Technology
Identifiers
URN: urn:nbn:se:ri:diva-29658Scopus ID: 2-s2.0-58149260180OAI: oai:DiVA.org:ri-29658DiVA, id: diva2:1105109
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cited By 18

Available from: 2017-06-02 Created: 2017-06-02 Last updated: 2018-07-06Bibliographically approved

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Nygårds, Mikael

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