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Stiffness heterogeneity of multiply paperboard examined with VFM
2017 (English)In: Conference Proceedings of the Society for Experimental Mechanics Series, Springer, 2017, 151-159 p.Conference paper (Refereed)
Abstract [en]

Mechanical heterogeneity of a multiply paperboard was characterized in uniaxial tension using DIC and VFM. The specimen was divided into three subregions based on axial strain magnitude. VFM analysis showed that the subregions had stiffnesses and Poisson’s ratio’s that varied in a monotonically decreasing fashion, but with the stiffness differences between subregions increasing with applied tensile stress. An Equilibrium Gap analysis showed improved local equilibrium when comparing a homogeneous analysis with the subregion analysis. Although only a single specimen was examined, results suggest that high stiffness regions provide only marginal improvement of mechanical behavior. The analysis also showed that even though the subregions themselves were non-contiguous, their mechanical behavior was similar. © The Society for Experimental Mechanics, Inc. 2017.

Place, publisher, year, edition, pages
Springer, 2017. 151-159 p.
Keyword [en]
DIC, Heterogeneity, Paperboard, Stiffness, VFM, Infrared imaging, Inverse problems, Paperboards, Thermography (imaging), Gap analysis, High stiffness, Local equilibrium, Mechanical behavior, Mechanical heterogeneity, Single specimen, Uniaxial tensions, Stresses
National Category
Materials Engineering
URN: urn:nbn:se:kth:diva-195131DOI: 10.1007/978-3-319-42255-8_20ScopusID: 2-s2.0-84989925572ISBN: 9783319422541OAI: diva2:1044845
Annual Conference and Exposition on Experimental and Applied Mechanics, 2016, 6 June 2016 through 9 June 2016

Correspondence Address: Considine, J.M.; USDA Forest Service, Forest Products Laboratory, One Gifford Pinchot Drive, United States; email: QC 20161107

Available from: 2016-11-07 Created: 2016-11-02 Last updated: 2016-11-07Bibliographically approved

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Hagman, Anton
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