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Inter-Fibre Bond Strength and Combined Normal and Shear Loading
KTH, School of Engineering Sciences (SCI), Solid Mechanics (Dept.). (BiMaC Innovation)
2011 (English)In: Progress in Paper Physics Seminar, Graz, Austria, September 5-8, 2011 / [ed] U. Hirn, Graz, 2011Conference paper, Oral presentation with published abstract (Other academic)
Abstract [en]

Despite their obvious importance for theproperties of paper, relatively little is known on thedeformation and damage mechanisms of inter-fibrebonds, compared to the fibres. In order to tailor theproperties of fibre network materials, bybiochemical and/or mechanical modifications of thefibre wall and fibre surfaces, better understandingon how to evaluate the properties of the bonds atthe microscopic level is desirable. This paperreports on the development of a method includingmanufacturing of fibre-fibre cross test pieces, setupand analysis of experimental results. Evaluationof the strength of modified and non-modified kraftpulp fibres has been investigated. The measuredload-displacement responses have been analyzednumerically, taking into account the initial curvedshape of the crossing fibres.Of particular interest has been to estimate the stateof loading in terms of normal and shear componentsin the bond region at failure. Different modes ofbond failure have been observed in the experiments,and they are used to qualitatively discuss themechanical behaviour of the bond region underloading.

Place, publisher, year, edition, pages
Graz, 2011.
Keyword [en]
interfibre joints, paper strength
National Category
Paper, Pulp and Fiber Technology
Identifiers
URN: urn:nbn:se:kth:diva-116698OAI: oai:DiVA.org:kth-116698DiVA: diva2:600406
Conference
Progress in Paper Physics Seminar, Graz, Austria, September 5-8, 2011
Projects
BiMaC Innovation
Funder
Swedish Research Council, 2007-5380
Note

QC 20130125

Available from: 2013-01-25 Created: 2013-01-24 Last updated: 2013-01-25Bibliographically approved

Open Access in DiVA

Magnusson, M.S. and Östlund, S. (2011), Inter-Fibre Bond Strength and Combined Normal and Shear Loading, Hirn, U. (ed.), Progress in Paper Physics Seminar, Graz, Austria, September 5-8, 2011, Verlag der Technischen Universität Graz(355 kB)335 downloads
File information
File name FULLTEXT01.pdfFile size 355 kBChecksum SHA-512
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Type fulltextMimetype application/pdf

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CiteExportLink to record
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Citation style
  • apa
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  • Other locale
More languages
Output format
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  • asciidoc
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