Role of aging time and Cu/Zn additions on the microstructure and intergranular corrosion resistance of 6082 Al-Mg-Si alloy
Source abstract
Abstract
The influence of aging time (1, 2, 5, and 24 h) and minor additions of Cu (≤ 0.05 wt%), Zn (≤ 0.06 wt%), and Cu/Zn on the microstructure and intergranular corrosion (IGC) resistance of Al-Mg-Si alloy is investigated. Minor Cu or Zn additions negatively affect IGC resistance of these alloys. However, the findings also indicate that a Cu/Zn ratio of approximately 1.54 enhances corrosion resistance across aging conditions, which can be further improved by appropriate heat treatments. Additionally, STEM-EDS analysis indicates that Zn is less detected in grain boundaries (GBs) and intragranular precipitates compared to Cu at identical aging conditions.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Aluminum Alloy Microstructure Properties · Aluminum Alloys Composites Properties · Advanced Welding Techniques Analysis
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (43)
Show source-provided references
1. Making sustainable aluminum by recycling scrap: the science of “dirty” alloys10.1016/j.pmatsci.2022.100947 ↗
2. Nisancioglu · 1978
3. Ueber den einflußgeringer schwermetallgehalte auf die korrosionsbeständigkeit von Al-Mg-Si Legierungen
4. The effect of Zn on precipitation in Al-Mg-Si alloys10.1080/14786435.2014.913819 ↗
5. Influence of overaging treatment on localized corrosion of Al 605610.5006/1.3280517 ↗
6. The intergranular corrosion susceptibility of a heavily overaged Al-Mg-Si-Cu alloy10.1016/j.corsci.2016.02.025 ↗
7. On the intergranular corrosion and hardness evolution of 6xxx series Al alloys as a function of Si:Mg ratio, Cu Content, and aging condition10.5006/2506 ↗
8. Comparing intergranular corrosion in Al-Mg-Si-Cu alloys with and without α-Al(Fe,Mn,Cu)Si particles10.1002/maco.202011954 ↗
9. Progress in understanding initiation of intergranular corrosion on AA6005 aluminum alloy with low copper content10.1149/2.0211911jes ↗
10. Effect of thermomechanical history on intergranular corrosion of extruded AlMgSi(Cu) model alloy10.1016/j.corsci.2006.03.018 ↗
11. Corrosion behaviour of AA6082 Al-Mg-Si alloy extrusion: the influence of quench cooling rate10.1016/j.corsci.2019.01.030 ↗
12. Electron microscopy analysis of grain boundaries and intergranular corrosion in aged Al-Mg-Si alloy doped with 0.05 wt% Cu10.1016/j.corsci.2022.110758 ↗
13. The effect of trace level copper content on intergranular corrosion of extruded AA6082-T6 alloys10.1016/j.matchemphys.2023.128303 ↗
14. Enhancing the intergranular corrosion resistance of the Al–Mg–Si alloy with low Zn content by the interrupted aging treatment10.1007/s11661-021-06433-z ↗
15. Influence of minor Zn addition on precipitation behavior and intergranular corrosion properties of Al-Mg-Si alloy10.3390/ma13030650 ↗
16. Influence of Zn contents on precipitation and corrosion of Al-Mg-Si-Cu-Zn alloys for automotive applications10.1016/j.jallcom.2018.11.146 ↗
17. Effects of grain boundary chemistry and precipitate structure on intergranular corrosion in Al-Mg-Si alloys doped with Cu and Zn10.1016/j.corsci.2024.112227 ↗
18. Effect of minor addition of Zn on precipitate crystal structures and intergranular corrosion in 6082 Al-Mg-Si alloys10.1016/j.corsci.2025.112844 ↗
19. Natural aging behavior in pre-aged Al–Mg–Si–Cu alloys with and without Zn addition10.1016/j.jallcom.2018.09.244 ↗
20. The effects of Cu addition on the microstructure and thermal stability of an Al–Mg–Si alloy10.1016/j.jallcom.2006.07.113 ↗
21. The effects of low Cu additions and predeformation on the precipitation in a 6060 Al-Mg-Si alloy10.1007/s11661-013-1754-3 ↗
22. Effect of interrupted ageing treatment on the mechanical properties and intergranular corrosion behavior of Al-Mg-Si alloys10.1016/j.jmrt.2019.10.050 ↗
23. The effect of Zn on the age hardening response in an Al-Mg-Si alloy10.1016/j.matdes.2014.09.086 ↗
24. Effect of Zn addition on the precipitation behaviors of Al–Mg–Si–Cu alloys for automotive applications10.1007/s10853-016-0433-3 ↗
25. Effects of Zn addition on the age hardening behavior and precipitation evolution of an Al-Mg-Si-Cu alloy10.1016/j.matchar.2018.08.051 ↗
26. Influence of Zn on the distribution and composition of heterogeneous solute-rich features in peak aged Al-Mg-Si-Cu alloys10.1016/j.scriptamat.2018.09.004 ↗
27. The effect of Cu on precipitation in Al-Mg-Si alloys10.1080/14786430701287377 ↗
28. Aberration-corrected HAADF-STEM investigations of precipitate structures in Al-Mg-Si alloys with low Cu additions10.1080/14786435.2013.857051 ↗
29. HAADF-STEM and DFT investigations of the Zn-containing β’’ phase in Al-Mg-Si alloys10.1016/j.actamat.2014.06.055 ↗
30. Crystal structure of the orthorhombic U2-Al4Mg4 Si4 precipitate in the Al-Mg-Si alloy system and its relation to the β′ and β″ phases10.1016/j.msea.2004.09.019 ↗
31. The crystal structure of the β″ phase in Al–Mg–Si alloys10.1016/S1359-6454(97)00493-X ↗
32. Atomic structure of hardening precipitates in Al-Mg-Si Alloys: influence of minor additions of Cu and Zn10.1021/acsnano.3c09129 ↗
33. The influence of copper content on intergranular corrosion of model AlMgSi(Cu) alloys10.1002/maco.200804110 ↗
34. Significance of low copper content on grain boundary nanostructure and intergranular corrosion of AIMgSi(Cu) model alloys
35. Intergranular corrosion of copper-containing AA6xxx AlMgSi aluminum alloys10.1149/1.2976774 ↗
36. Grain boundary precipitation induced by grain crystallographic misorientations in an extruded Al-Mg-Si-Cu alloy10.1016/j.jallcom.2014.10.206 ↗
37. Influence of the grain boundary chemistry on the intergranular corrosion mechanisms of a high-strength Al-Mg-Si alloy10.1002/sia.5859 ↗
38. The intergranular corrosion behavior of 6000-series alloys with different Mg/Si and Cu content10.1016/j.apsusc.2017.02.045 ↗
39. Effect of excess silicon and small copper content on intergranular corrosion of 6000-series aluminum alloys10.1149/1.3261804 ↗
40. Effect of artificial aging on intergranular corrosion of extruded AlMgSi alloy with small Cu content10.1016/j.corsci.2005.05.045 ↗
41. Improving the intergranular corrosion resistance of Al–Mg–Si–Cu alloys without strength loss by a two-step aging treatment10.1016/j.msea.2013.10.001 ↗
42. Tricine [N-(Tri(hydroxymethyl)methyl)glycine] – a novel green inhibitor for the corrosion inhibition of zinc in neutral aerated sodium chloride solution10.1016/j.ejpe.2016.02.004 ↗
43. Electrochemical characteristics of intermetallic phases in aluminum alloys: an experimental survey and discussion10.1149/1.1869984 ↗