Continuum analysis of precipitation hardening using SGP theory

Abstract eng:
A comprehensive study of precipitation hardening has been carried out by use of the strain gradient plasticity theory. Different parameters governing the behavior of the material in the presence of particles have been studied, which showed that two key parameters dominate the outcome of the analyses. These are the particle spacing and interface strength. The results show that the hardening increases when there is a more dense distribution of particles, and it also increases by making the particles more incoherent.

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