Modelling the Effect of Room Temperature Storage and Deformation on the Age-hardening Behaviour of Al-Mg-Si alloys

被引：0
|
作者：
Schaefer, C. [1 ]
Myhr, O. R. [2 ]
Liang, Z. [3 ]
Brinkman, H. J. [1 ]
Engler, O. [1 ]
Hirsch, J. [1 ]
Chang, C. [4 ]
Banhart, J. [3 ,4 ]
机构：
[1] Hydro Aluminium Rolled Prod GmbH, Res & Dev Bonn, D-53014 Bonn, Germany
[2] Hydro Aluminium, Res & Technol Dev, N-6601 Sunndalsora, Norway
[3] Helmholtz Zentrum Berlin Mat & Energie, D-14109 Berlin, Germany
[4] Tech Univ, D-10623 Berlin, Germany
来源：
PROCEEDINGS OF THE 13TH INTERNATIONAL CONFERENCE ON ALUMINUM ALLOYS (ICAA13) | 2012年
关键词：
Modelling; Precipitation; Al-Mg-Si; automotive sheet; TRANSFORMATIONS; STRENGTH;
D O I：
暂无
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The present investigation deals with modelling of the age-hardening behaviour of 6XXX series automotive sheet alloys. The basis for the work is a precipitation model developed for coupled nucleation, growth, dissolution and coarsening in Al-Mg-Si extrusion alloys. It has been advanced to incorporate the important effects of room temperature (RT) storage and deformation prior to the final age-hardening. The model predicts the evolution of the precipitate structure and the corresponding RT yield strength for non-isothermal heat treatments. The model validation is based on both a comprehensive set of tensile tests and TEM measurements on selected samples. A comparison between model predictions and measurements shows reasonable agreement, and it is concluded that after some further development, the model can be used as an industrial tool for process chain simulations of the yield strength response following complex heat treatments and deformation schedules.
引用
收藏
页码：325 / 330
页数：6
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