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Experimental techniques for characterization of elasticplastic material properties in paperboard
RISE., STFI-Packforsk.ORCID-id: 0000-0002-9689-5966
2008 (Engelska)Ingår i: Nordic Pulp & Paper Research Journal, ISSN 0283-2631, E-ISSN 2000-0669, Vol. 23, nr 4, s. 432-437Artikel i tidskrift (Refereegranskat) 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.

Ort, förlag, år, upplaga, sidor
2008. Vol. 23, nr 4, s. 432-437
Nyckelord [en]
Compressive test, Mechanical properties, Shear test, Stress-strain properties, Tensile test
Nationell ämneskategori
Pappers-, massa- och fiberteknik
Identifikatorer
URN: urn:nbn:se:ri:diva-29658Scopus ID: 2-s2.0-58149260180OAI: oai:DiVA.org:ri-29658DiVA, id: diva2:1105109
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Tillgänglig från: 2017-06-02 Skapad: 2017-06-02 Senast uppdaterad: 2018-07-06Bibliografiskt granskad

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