Foundations of physical mesomechanics of structurally inhomogeneous media |
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Authors: | V E Panin Yu V Grinyaev V E Egorushkin |
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Institution: | 1.Institute of Strength Physics and Materials Science,Siberian Branch of Russian Academy of Sciences,Tomsk,Russia |
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Abstract: | We present the basic principles of physical mesomechanics of structurally inhomogeneous media; the theory is developed on
the basis of common approaches of nonequilibrium thermodynamics, gauge theory of defects, and mechanics of structured media.
Within a multilevel approach, the plastic deformation evolution is considered in the entire hierarchy of structure-scale levels:
at the nano, micro, meso, and macro level. Fracture is treated as the final stage of increasing disequilibrium of a solid,
when the nonequilibrium thermodynamical Gibbs potential becomes zero and the structure-phase decay of the crystal occurs. |
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