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    Author(s): B.T. Hotle; J.M. Considine; M.J. Wald; R.E. Rowlands; K.T. Turner
    Date: 2008
    Source: Proceedings : progress in paper physics seminar, June 2-5, 2008, Helsinki University of Technology (TKK), Espoo, Finland. [Espoo, Finland] : Helsinki University of Technology, [2008]: pages 271-273.
    Publication Series: Miscellaneous Publication
    PDF: View PDF  (1.0 MB)

    Description

    A missing element of paper aging research is a description of mechanical performance with aging. Tensile strength cannot be predicted directly from DP measurements, and existing models do not represent the effects of aging on strength and stiffness. The primary aim of the present work is to characterize changes of mechanical properties, such as tensile response and dimensional stability, with aging and to develop time-dependent models to describe the behavior of paper components in stamp laminates. This includes understanding the underlying mechanisms of aging, such as changes of fiber properties or inter-fiber bonding, which lead to degradation. This research evaluates the effects of thermal aging on the properties of two different papers using tensile testing to characterize the tensile strength and initial stiffness, along with measurement of the equilibrium moisture content at 50% RH.

    Publication Notes

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    • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

    Citation

    Hotle, B.T.; Considine, J.M.; Wald, M.J.; Rowlands, R.E.; Turner, K.T. 2008. Effects of thermal aging on mechanical performance of paper. Proceedings : progress in paper physics seminar, June 2-5, 2008, Helsinki University of Technology (TKK), Espoo, Finland. [Espoo, Finland] : Helsinki University of Technology, [2008]: pages 315-318.

    Keywords

    Temperature, paper, mechanical properties, deterioration, thermal analysis, thermal properties, testing, equilibrium moisture content, fiber properties, dimensional stability, tensile strength, durability, thermal degradation, strength, stiffness

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https://www.fs.usda.gov/treesearch/pubs/32007