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Treloar's Biaxial Tests and Kearsley's Bifurcation in Rubber SheetsDepartment of Engineering Science and Mehanics, Virginia Polytechnic Institute & State State University, Blacksburg, VA 24061-0291, USA
Technical University Berlin, Limburger Strasse 20, D-1000 Berlin, Germany
Physikalisch-Technische Bundesanstalt Berlin, Germany We review Treloar's biaxial experiments and Kearsley's calculated instability in a square rubber sheet. Treloar's rubber is recognized as a Mooney-Rivlin material. It turns out that Treloar's test could not have anticipated Kearsley's stability analysis, since his loads were far below the critical load of bifurcation. We repeat Treloar's experiment but with much higher loads and confirm Kearsley's prediction.
Key Words: rubber elasticity bifurcation symmetry breaking
Mathematics and Mechanics of Solids, Vol. 10, No. 6,
705-713 (2005) |
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