Measurement of Paper Rheology at Varied Moisture Contents

S. T. Lehti, J. A. Ketoja, K. J. Niskanen

    Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

    3 Citations (Scopus)

    Abstract

    We made creep and tensile stiffness measurements at different moisture contents with a new device. The geometry of the device is such that stable conditions after a moisture change are achieved reasonably fast. Tensile stiffness decays exponentially as the moisture content of paper is increased. The decay is faster in cross machine than in machine direction. We analyzed creep at varied moisture content using master curves. Also the creep rate depends exponentially on the moisture content. But this dependence is qualitatively different from that seen in tensile stiffness.
    Original languageEnglish
    Title of host publicationInternational Paper Physics Conference 2003
    Subtitle of host publicationProceedings
    Pages57-60
    Number of pages4
    Publication statusPublished - 20 Nov 2003
    MoE publication typeA4 Article in a conference publication
    EventInternational Paper Physics Conference - Victoria, Canada
    Duration: 7 Sep 200311 Sep 2003

    Conference

    ConferenceInternational Paper Physics Conference
    CountryCanada
    CityVictoria
    Period7/09/0311/09/03

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