Mechanical Failure of a Small and Confined Solid

Details Mechanical Failure of a Small and Confined Solid Mechanical Failure of a Small and Confined Solid

2005-08-22

arxiv.org/abs/cond-mat/0508513v1

Indian Journal of Physics 79, 941 (2005)

Physics

Condensed Matter

Soft Condensed Matter

6 pages, 7 figures, to be published in Indian Journal of Physics (in press) as a Conference proceeding of CMDAYS-04

Scientific paper

Starting from a commensurate triangular thin solid strip, confined within two hard structureless walls, a stretch along its length introduces a rectangular distortion. Beyond a critical strain the solid fails through nucleation of "smectic"-like bands. We show using computer simulations and simple density functional based arguments, how a solid-smectic transition mediates the failure. Further, we show that the critical strain introducing failure is {\em inversely} proportional to the channel width i.e. thinner strips are stronger!

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