Mechanism-based strain gradient crystal plasticity—I. Theory

摘要: Abstract We have been developing the theory of mechanism-based strain gradient plasticity (MSG) to model size-dependent plastic deformation at micron and submicron length scales. The core idea has incorporate concept geometrically necessary dislocations into continuum constitutive laws via Taylor hardening relation. Here we extend this effort develop a crystal plasticity. In theory, an effective density for specific slip plane is introduced analog Peach–Koehler force in dislocation incorporated