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Measuring the stress-strain properties of paperboard in the thickness direction
KTH, Superseded Departments, Solid Mechanics.ORCID iD: 0000-0001-8699-7910
2001 (English)In: Journal of Pulp and Paper Science (JPPS), ISSN 0826-6220, Vol. 27, no 6, 213-221 p.Article in journal (Refereed) Published
Abstract [en]

In this paper, a device for measuring stress-strain properties in the thickness direction of paperboard is presented. The device is used for out-of-plane tensile, compression and shear loading. In order to measure stress and strain accurately: the deformation of the test piece is restricted to two directions in the desired plane of deformation by means of an attached fixture. The paperboard is first glued io metal blocks with a high-viscosity adhesive and these blocks are then attached ro the device using a fast-curing epoxy adhesive. To find the true strain in the material, knowledge of the penetration nf the adhesive into the surface of the paper structure is important. A method for determining the penetration of the adhesive, based on a comparison of stress-deformation curves for glued and non-glued rest pieces, is presented, Finally: true stress-strain curves in tension, compression, and shear are presented together with an analysis of the accuracy of the method.

Place, publisher, year, edition, pages
2001. Vol. 27, no 6, 213-221 p.
Keyword [en]
Z direction, thickness, stress strain properties, paper boards, measuring instruments, machine design, shear stress, tensile stress, compression, deformation, board
URN: urn:nbn:se:kth:diva-20645ISI: 000168811600006OAI: diva2:339341
QC 20100525Available from: 2010-08-10 Created: 2010-08-10Bibliographically approved

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