Recent advances in the metallurgy of aluminum alloys. Part II: Age hardening

Christophe Sigli; Frédéric De Geuser; Alexis Deschamps; Joël Lépinoux; Michel Perez

doi:10.1016/j.crhy.2018.10.012

Recent advances in the metallurgy of aluminum alloys. Part II: Age hardening
[Développements récents en métallurgie des alliages d'aluminium. Deuxième partie : durcissement par revenu]

Christophe Sigli ¹ ; Frédéric De Geuser ² ; Alexis Deschamps ² ; Joël Lépinoux ² ; Michel Perez ³

¹ Constellium Technology Center, CS 10027, 38341 Voreppe Cedex, France
² Université Grenoble Alpes, CNRS, Grenoble INP, SIMAP, 38000 Grenoble, France
³ Université de Lyon, INSA Lyon, MATEIS – UMR CNRS 5510, bâtiment Saint-Exupéry, 25, avenue Jean-Capelle, 69621 Villeurbanne cedex, France

Comptes Rendus. Physique, New trends in metallic alloys / Alliages métalliques : nouvelles tendances, Volume 19 (2018) no. 8, pp. 688-709.

Résumé
Abstract

Dans cet article, nous examinons quelques progrès récents en matière de compréhension et de simulation du durcissement par revenu des alliages d'aluminium. Les principaux phénomènes régissant la formation des précipités dans des alliages d'aluminium sont présentés. Ils fournissent une compréhension qualitative de la relation entre la composition des alliages, le traitement thermique et la taille des précipités à l'échelle nanométrique. Dans une seconde partie, nous décrivons comment les approches de modélisation sont capables de prédire ces microstructures, des modèles simples aux modèles plus avancés. Un accent particulier est mis sur les limites de ces derniers et sur les stratégies développées pour les surmonter. Dans une troisième partie, les mécanismes de durcissement des précipitations seront abordés, ainsi que les modèles disponibles pour quantifier ce durcissement. Enfin, dans la dernière partie, nous donnerons quelques perspectives générales.

In this paper are reviewed some recent progress on the understanding and simulation of aluminum alloy age hardening. The main phenomena governing the formation of precipitate microstructures in aluminum alloys are presented; they provide a qualitative understanding of the relationship between alloy chemistry, processing and final precipitate microstructure at the nanoscale. In a second part, we describe how modeling approaches are capable of predicting these microstructures, from simple models to more advanced ones. A particular emphasis is put on the limits of these models and the strategies that are being developed to overcome them. In a third part, the mechanisms for precipitation strengthening will be discussed, as well as the models available to quantify this strengthening. Finally, in the last part, we will give some general prospects for the main developing areas of research.

Publié le : 2018-11-09

DOI : 10.1016/j.crhy.2018.10.012

Keywords: Age hardening, Strengthening, Guinier–Prestone, Monte Carlo, Nucleation, Coarsening
Mots-clés : Revenu, Durcissement, Guinier–Preston, Monte Carlo, Germination, Coalescence

Affiliations des auteurs :

Christophe Sigli ¹ ; Frédéric De Geuser ² ; Alexis Deschamps ² ; Joël Lépinoux ² ; Michel Perez ³

¹ Constellium Technology Center, CS 10027, 38341 Voreppe Cedex, France
² Université Grenoble Alpes, CNRS, Grenoble INP, SIMAP, 38000 Grenoble, France
³ Université de Lyon, INSA Lyon, MATEIS – UMR CNRS 5510, bâtiment Saint-Exupéry, 25, avenue Jean-Capelle, 69621 Villeurbanne cedex, France

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     author = {Christophe Sigli and Fr\'ed\'eric De Geuser and Alexis Deschamps and Jo\"el L\'epinoux and Michel Perez},
     title = {Recent advances in the metallurgy of aluminum alloys. {Part} {II:} {Age} hardening},
     journal = {Comptes Rendus. Physique},
     pages = {688--709},
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Christophe Sigli; Frédéric De Geuser; Alexis Deschamps; Joël Lépinoux; Michel Perez. Recent advances in the metallurgy of aluminum alloys. Part II: Age hardening. Comptes Rendus. Physique, New trends in metallic alloys / Alliages métalliques : nouvelles tendances, Volume 19 (2018) no. 8, pp. 688-709. doi : 10.1016/j.crhy.2018.10.012. https://comptes-rendus.academie-sciences.fr/physique/articles/10.1016/j.crhy.2018.10.012/

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