Statistical behaviour of interfaces subjected to curvature flow and torque effects applied to microstructural evolutions

The movement of grain boundaries in pure metals and alloys with a low concentration dislocations has been historically proved to follow curvature flow behaviour. This mechanism is typically known as growth (GG). However, recent 3D in-situ experimental results tend question this global picture concerning the influence on kinetics interface migration. article explains, thanks 2D anisotropic full-field simulations, how torque effects can complicate these discussions. It then illustrated that neglecting formulations have significant effect overall rate GG, shape grains well their local kinetics. apparent reduced mobility be much more complex than expected without necessarily questioning kinetic equation.