From micro- to macro-plasticity: the scale invariance approach

Article Abstract:

A generalized formulation of macroscopic kinematic hardening plasticity uses the scale invariance approach. The method expresses constitutive and information equations, describing the configuration of a single slip, in the form of macroscopic constitutive equations. The new model establishes the interaction coupling between the generation of back stress and the plastic spin, and is appropriate for large deformations. The vector and texture effects can be accounted for within the formulation.

Deformations (Mechanics), Deformation

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Multiscale thermodynamic significance of the scale invariance approach in continuum inelasticity

Article Abstract:

The scale invariance approach from micro-plasticity by Aifantis and Ning and Aifantis is investigated within rice's normality structure. The scale invariance approach is justified by the hypothesis of generalized scale invariance from a multiscale thermodynamic viewpoint.

Science & research, Thermodynamics, Heat transfer

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Determining equi-biaxial residues stress and mechanical properties from the force-displacement curves of conical microindentation

Article Abstract:

An alternative method to evaluate an indentation test is presented. The evaluation technique is based on finite element analyses, where explicit formulations are established to correlate the parameter groups governing indentation on stressed specimens.

Analysis, Usage, Stress analysis (Engineering), Residual stresses, Finite element method

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