Nonlinear Properties of High Strength Paperboards

[+] Author and Article Information
Y. P. Qiu, M. Millan, C. H. Lin

Sonoco Products Company, 555 Science Dr. #B, Madison, WI 53711

T. D. Gerhardt

Mechanics and Paper Science Research, Sonoco Products Company, 555 Science Dr. #B, Madison, WI 53711

J. Eng. Mater. Technol 121(3), 272-277 (Jul 01, 1999) (6 pages) doi:10.1115/1.2812375 History: Received June 30, 1997; Online November 27, 2007


Paper is a highly anisotropic and nonlinear material. Solid mechanics research on paper structures has been hampered by limited data on the nonlinear material properties of paperboards. In particular, it has been difficult to measure shear and z-directional properties. In this paper, nonlinear material response of paper laminates under simple loading conditions (uniaxial compression in three directions and in plane shear) are presented. Also, data is presented for various Poisson’s ratios. It was found that paper behaves differently along the thickness direction than along the in-plane directions. Poisson’s ratios are usually nonlinear with large deformation. In-plane Poisson’s ratios decrease, while out-of-plane Poisson’s ratios increase with the applied load.

Copyright © 1999 by The American Society of Mechanical Engineers
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