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IssuesArchive of Issues2013-5pp.525-536

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V.E. Egorushkin and V.E. Panin, "Physical Foundations of Nonlinear Fracture Mechanics," Mech. Solids. 48 (5), 525-536 (2013)
Year 2013 Volume 48 Number 5 Pages 525-536
DOI 10.3103/S0025654413050087
Title Physical Foundations of Nonlinear Fracture Mechanics
Author(s) V.E. Egorushkin (Institute of Strength Physics and Material Science, Siberian Branch of the Russian Academy of Sciences, Akademicheskii pr-t 2/4, Tomsk, 634021 Russia)
V.E. Panin (Institute of Strength Physics and Material Science, Siberian Branch of the Russian Academy of Sciences, Akademicheskii pr-t 2/4, Tomsk, 634021 Russia, paninve@ispms.tsc.ru)
Abstract A survey of the authors' papers dealing with the physical foundations of multilevel nonlinear fracture mechanics is presented. The gauge theory of defects is used to obtain wave equations that predict the possibility of a crack development as a nonlinear wave process. Under viscous fracture conditions, nonlinear fracture waves disperse forming local mesovortices in the form of dynamic rotations. Experimental data confirming the wave theory predictions are given. The fracture development is related to the structure-phase breakup of a deformable crystal in the regions of its strong curvature.
Keywords physics, mechanics, fracture, gauge theory, nonlinear wave, dynamic rotation
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Received 21 June 2013
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