2021/06/10 by Sebastian Florez, Florez, Sebastian, Karen Alvarado +15 · 3 citations
Engineering · Materials Science · #Computational Engineering #FOS: Computer and information sciences #FOS: Physical sciences #Finance #High Temperature Alloys and Creep #Materials Science (cond-mat.mtrl-sci) #Microstructure and Mechanical Properties of Steels #Microstructure and mechanical properties #and Science (cs.CE)
paper · pdf · doi:10.48550/arxiv.2106.05605
openalex publication_date 2021/06/10 · openalex created_date 2022/07/25 · openalex updated_date 2026/07/28
The movement of grain boundaries in pure metals and alloys with a low\nconcentration of dislocations has been historically proved to follow curvature\nflow behavior. This mechanism is typically known as grain growth (GG). However,\nrecent 3D in-situ experimental results tend to question this global picture\nconcerning the influence of the curvature on the kinetics of interface\nmigration. This article explains, thanks to 2D anisotropic full-field\nsimulations, how the torque effects can complexify these discussions. It is\nthen illustrated that neglecting torque effects in full-field formulations\nremains potentially a strong hypothesis. The apparent mobility can be much more\ncomplex than expected without necessarily questioning the influence of the\ncurvature on the local kinetic equation.\n