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Determination of paper stiffness and anisotropy from recorded bending waves in paper subjected to tensile forces
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Fluid and Experimental Mechanics.ORCID iD: 0000-0001-8355-2414
Luleå tekniska universitet.
2002 (English)In: NDT & E international, ISSN 0963-8695, E-ISSN 1879-1174, Vol. 35, no 7, p. 465-472Article in journal (Refereed) Published
Abstract [en]

Experiments and theory for bending wave propagation of paper sheets in tension are presented. An all-electronic pulsed TV holography technique is used to record the bending wave field initiated by a laser pulse. A theory for bending wave propagation in tensile-loaded paper is developed. The bending waves are influenced by mechanical properties such as density, thickness, bending stiffness, anisotropy and also by tensile forces in the paper. The paper stiffnesses are determined by matching the measured deformation field with the calculated theoretical field. The results show that the bending wave pattern is strongly influenced by the tensile force. For a non-destructive on-line measurement of, e.g. stiffnesses and anisotropy in the paper machine the tensile force must be considered

Place, publisher, year, edition, pages
2002. Vol. 35, no 7, p. 465-472
National Category
Applied Mechanics
Research subject
Experimental Mechanics
Identifiers
URN: urn:nbn:se:ltu:diva-14069DOI: 10.1016/S0963-8695(02)00019-1ISI: 000177869000007Scopus ID: 2-s2.0-0036346477Local ID: d61cfc20-6f67-11db-962b-000ea68e967bOAI: oai:DiVA.org:ltu-14069DiVA, id: diva2:987023
Note
Validerad; 2002; 20060929 (cira)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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