Modelling the recrystallization behaviour during industrial processing of aluminium alloys

被引：3

作者：

Marthinsen, K. ^{[1
]}

Friis, J. ^{[2
]}

Holmedal, B. ^{[1
]}

Skauvik, I. ^{[3
]}

Furu, T. ^{[4
]}

机构：

[1] Norwegian Univ Sci & Technol NTNU, N-7491 Trondheim, Norway

[2] SINTEF Mat & Chem, N-7465 Trondheim, Norway

[3] Hydro Aluminium AS, R&D Mat Technol, N-4265 Karmoy, Norway

[4] Hydro Aluminium AS, R&D Mat Technol, N-6601 Sunndalsora, Norway

来源：

RECRYSTALLIZATION AND GRAIN GROWTH IV | 2012年 / 715-716卷

关键词：

recrystallization; through process modelling; extrusion; aluminium; DEFORMATION;

D O I：

10.4028/www.scientific.net/MSF.715-716.543

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The microstructure evolution in commercial AlMgSi alloys during and after extrusion of a simple U-shaped profile has been modelled. The strain, strain rate and temperature along a set of particle paths are taken from FE-HyperXtrude simulations and used as input to the work hardening model ALFLOW, to predict the evolution of the subgrain size and dislocation density during deformation. As soon as the profile leaves the die, the subsequent recovery and recrystallization behaviour is modelled with the softening model ALSOFT. This procedure enables the modelling of recrystallization profiles, i.e. the fraction recrystallized through the wall thickness of the extruded profile. The sensitivity to chemistry (alloy composition), profile deflection and the cooling rate at the die exit has been investigated by means of a set of generic modelling cases.

引用

页码：543 / +

页数：3

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