Texture development and grain refinement in non-equal-channel angular-pressed Al

Grain subdivision and texture development in equal-channel angular pressing (ECAP) and in non-equal-channel angular pressing (NECAP) were studied experimentally as well as by modeling in commercially pure Al. The refined grain size was smaller in NECAP than in ECAP. Within one single modeling frame, it was possible to reproduce fairly well texture evolution, intercept lengths and next-neighbor grain misorientation distributions when the flow line approach was used for the strain history in both ECAP and NECAP.