Segregation assisted grain boundary precipitation in a model Al-Zn-Mg-Cu alloy

H Zhao, F De Geuser, AK da Silva, A Szczepaniak… - Acta Materialia, 2018 - Elsevier
Understanding the composition evolution of grain boundaries and grain boundary
precipitation at near-atomic scale in aluminum alloys is crucial to tailor mechanical …

Natural-ageing-enhanced precipitation near grain boundaries in high-strength aluminum alloy

P Ma, C Liu, Q Chen, Q Wang, L Zhan, J Li - Journal of Materials Science & …, 2020 - Elsevier
Artificial ageing above 165° C directly after quenching induces the formation of∼ 50 nm
wide precipitate-free zone (PFZ) and∼ 100 nm wide precipitate-sparse zone (PSZ) …

[HTML][HTML] CALPHAD-informed phase-field modeling of grain boundary microchemistry and precipitation in Al-Zn-Mg-Cu alloys

C Liu, A Garner, H Zhao, PB Prangnell, B Gault… - Acta Materialia, 2021 - Elsevier
The grain boundary (GB) microchemistry and precipitation behaviour in high-strength Al-Zn-
Mg-Cu alloys has an important influence on their mechanical and electrochemical …

Atom probe tomography of nanoscale microstructures within precipitate free zones in Al–Zn–Mg (–Ag) alloys

T Ogura, S Hirosawa, A Cerezo, T Sato - Acta Materialia, 2010 - Elsevier
Solute distributions in the vicinity of grain boundaries in Al–Zn–Mg (–Ag) alloys were studied
using a three-dimensional atom probe, in order to elucidate the mechanism of formation of …

Influence of Zn contents on precipitation and corrosion of Al-Mg-Si-Cu-Zn alloys for automotive applications

MX Guo, JQ Du, CH Zheng, JS Zhang… - Journal of Alloys and …, 2019 - Elsevier
We report on a study of the effect of Zn contents on the intragranular and grain boundary
precipitation and corrosion behavior of Al-Mg-Si-Cu-Zn alloys. Our results show that with …

Precipitation in an Al-Zn-Mg-Cu alloy during isothermal aging: Atomic-scale HAADF-STEM investigation

X Xu, J Zheng, Z Li, R Luo, B Chen - Materials Science and Engineering: A, 2017 - Elsevier
The present study, using advanced Cs-corrected high-angle annular dark field–scanning
transmission electron microscopy (HAADF-STEM), reports on a comprehensive investigation …

Evolution of precipitate and precipitate/matrix interface in Al-Zn-Mg-Cu (-Ag) alloys

X Zhang, Z Han, L Xu, H Ni, X Hu, H Zhou, Y Zou… - Journal of Materials …, 2023 - Elsevier
Evolution of precipitate and precipitate/matrix interface in artificially aged Al-Zn-Mg-Cu (-Ag)
alloys has been systematically studied. In the early stage of ageing, Ag, as a fast diffuser …

Atomic-scale pathway of early-stage precipitation in Al–Mg–Si alloys

V Fallah, A Korinek, N Ofori-Opoku, B Raeisinia… - Acta materialia, 2015 - Elsevier
Strengthening in age-hardenable alloys is mainly achieved through nano-scale precipitates
whose formation paths from the atomic-scale, solute-enriched entities are rarely analyzed …

Precipitates in aluminium alloys

SJ Andersen, CD Marioara, J Friis, S Wenner… - … in physics: X, 2018 - Taylor & Francis
Precipitation strengthening is a highly complex phenomenon on the nanoscale, responsible
for providing strength in Al-Cu, Al-Mg-Cu, Al-Mg-Zn and Al-Mg-Si alloys. Advances in …

Coupled segregation mechanisms of Sc, Zr and Mn at θ′ interfaces enhances the strength and thermal stability of Al-Cu alloys

L Jiang, B Rouxel, T Langan, T Dorin - Acta Materialia, 2021 - Elsevier
The refinement and thermal stability of intermediate theta-prime (θ′) precipitates are critical
in the development of new high strength 2xxx series aluminium-copper (Al-Cu) alloys for …