Condensed Matter > Materials Science
[Submitted on 10 Jun 2021 (v1), last revised 10 Aug 2021 (this version, v3)]
Title:Statistical behaviour of interfaces subjected to curvature flow and torque effects applied to microstructural evolutions
View PDFAbstract:The movement of grain boundaries in pure metals and alloys with a low concentration of dislocations has been historically proved to follow curvature flow behavior. This mechanism is typically known as grain growth (GG). However, recent 3D in-situ experimental results tend to question this global picture concerning the influence of the curvature on the kinetics of interface migration. This article explains, thanks to 2D anisotropic full-field simulations, how the torque effects can complexify these discussions. It is then illustrated that neglecting torque effects in full-field formulations remains potentially a strong hypothesis. The apparent mobility can be much more complex than expected without necessarily questioning the influence of the curvature on the local kinetic equation.
Submission history
From: Sebastian Florez [view email][v1] Thu, 10 Jun 2021 09:19:11 UTC (12,343 KB)
[v2] Fri, 11 Jun 2021 10:45:47 UTC (12,343 KB)
[v3] Tue, 10 Aug 2021 19:24:34 UTC (9,289 KB)
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