2021/02/18 by Arthur Després, Després, Arthur, Jean‐Denis Mithieux +3
Engineering · #Aluminum Alloy Microstructure Properties #FOS: Physical sciences #Materials Science (cond-mat.mtrl-sci) #Metallurgy and Material Forming #Microstructure and Mechanical Properties of Steels
paper · pdf · doi:10.48550/arxiv.2102.09597
openalex publication_date 2021/02/18 · openalex created_date 2022/07/25 · openalex updated_date 2026/07/28
We present an original approach for predicting the static recrystallization\ntexture development during annealing of deformed crystalline materials. The\nmicrostructure is considered as a population of subgrains and grains whose\nsizes and boundary properties determine their growth rates. The model input\nparameters are measured directly on orientation maps maps of the deformed\nmicrostructure measured by electron backscattered diffraction. The anisotropy\nin subgrain properties then drives a competitive growth giving rise to the\nrecrystallization texture development. The method is illustrated by a\nsimulation of the static recrystallization texture development in a hot rolled\nferritic stainless steel. The model predictions are found to be in good\nagreement with the experimental measurements, and allow for an in-depth\ninvestigation of the formation sequence of the recrystallization texture. A\ndistinction is established between the texture components which develop due to\nfavorable growth conditions and those developing due to their predominance in\nthe prior deformed state. The high fraction of alpha fibre orientations in the\nrecrystallized state is shown to be a consequence of their predominance in the\ndeformed microstructure rather than a preferred growth mechanism. A close\ncontrol of the fraction of these orientations before annealing is thus required\nto minimize their presence in the recrystallized state.\n