Abstract
A method for the experimental determination of the through-thickness residual stress distribution in paperboard is presented. The successive removal of thin layers from strips of board through surface grinding changes the stress-state and the bending stiffness resulting in a changed curvature, which is measurable. From tests of strips in both in-plane directions, stress distributions can then be evaluated using the Treuting-Read method. Geometrically nonlinear effects at the large deformations taking place are avoided through a proper choice of strip dimensions. Typical results are presented and factors influencing the accuracy of the determination are thoroughly discussed.
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Östlund, M., Östlund, S., Carlsson, L.A. et al. Experimental determination of residual stresses in paperboard. Experimental Mechanics 45, 493–497 (2005). https://doi.org/10.1007/BF02427902
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DOI: https://doi.org/10.1007/BF02427902