Straight cracks in dynamic brittle fracture

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We study the dynamics of cracks in brittle materials when the velocity of the crack is comparable to the sound velocity by means of lattice simulations. Inertial and damped dynamics are analyzed. It is shown that dissipation strongly influences the shape of the crack. While inertial cracks are highly unstable, dissipation can stabilize straight cracks. Our results can help to explain recent experiments on PMMA.
10 pages, 6 figures

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Materials Science

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http://salesiana.dossiersoluciones.com/handle/123456789/28926

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/9812391
 http://arxiv.org/abs/cond-mat/9812391

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arXiv