Cracks in Rubber under Tension Exceed the Shear Wave Speed

Paul J. Petersan, Robert D. Deegan, M. Marder, and Harry L. Swinney
Phys. Rev. Lett. 93, 015504 – Published 30 June 2004
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    Abstract

    The shear wave speed is an upper limit for the speed of cracks loaded in tension in linear elastic solids. We have discovered that in a nonlinear material, cracks in tension (mode I) exceed this sound speed and travel in an intersonic range between shear and longitudinal wave speeds. The experiments are conducted in highly stretched sheets of rubber; intersonic cracks can be produced simply by popping a balloon.

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    • Received 14 November 2003

    DOI:https://doi.org/10.1103/PhysRevLett.93.015504

    ©2004 American Physical Society

    Authors & Affiliations

    Paul J. Petersan*, Robert D. Deegan, M. Marder, and Harry L. Swinney

    • Center for Nonlinear Dynamics and Department of Physics, The University of Texas at Austin, Austin, Texas 78712, USA

    • *Electronic address: petersan@chaos.utexas.edu

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    Vol. 93, Iss. 1 — 2 July 2004

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