On the dynamics of micropores in incompressible viscoelastoplastic media under active loading and subsequent unloading
DOI:
https://doi.org/10.7242/1999-6691/2013.6.2.21Keywords:
elasticity, plasticity, viscosity, residual stresses, large deformations, continuity defectAbstract
In the framework of the theory of large deformations, the solution of one-dimensional boundary-value problem of determining the stress-strain state of the material with elastic, viscous and plastic properties in the vicinity of a single spherical continuity defect under loading and subsequent unloading is obtained. Constitutive relations governing the motion of an elastic-plastic boundary are determined. The level and distribution of residual stresses are calculated. Conditions for the occurrence of a secondary plastic flow during unloading are presented.
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