[HTML][HTML] Synergy of multiple precipitate/matrix interface structures for a heat resistant high-strength Al alloy

Q Lu, J Wang, H Li, S Jin, G Sha, J Lu, L Wang… - Nature …, 2023 - nature.com
High strength aluminum alloys are widely used but their strength is reduced as nano-
precipitates coarsen rapidly in medium and high temperatures, which greatly limits their …

Quantifying the effects of Sc and Ag on the microstructure and mechanical properties of Al–Cu alloys

M Zhang, J Wang, B Wang, C Xue, X Liu - Materials Science and …, 2022 - Elsevier
It is well known that the addition of Sc and Ag to Al alloys can promote the nucleation of α-Al
grains and θ′-Al 2 Cu precipitates. In this study, the effects of Sc and Ag on grain size and …

The deformation behavior of the {111} Al plates in an Al-Cu-Mg-Ag alloy

MR Gazizov, AN Belyakov, R Holmestad, MY Gazizova… - Acta Materialia, 2023 - Elsevier
The deformation behavior of {111} Al Ω plates has been analyzed in an Al-Cu-Mg-Ag alloy
after creep tests to fracture by atomic-resolution scanning transmission electron microscopy …

Precipitation and crystallographic relationships of nanosized η/η'precipitates at S-Al interface in Al-Zn-Mg-Cu alloy

H Xiao, Z Wang, J Geng, C Zhang, Y Li, Q Yang… - Scripta Materialia, 2022 - Elsevier
Abstract Quench-induced S (Al 2 CuMg) phases are generally formed in Al-Zn-Mg-Cu alloys.
The precipitation and relative crystallographic relationships of η-type (MgZn 2) precipitates …

Effect of hydrogen accumulation on θ'precipitates on the shear strength of Al-Cu alloys

VS Krasnikov, PA Bezborodova, AE Mayer - International Journal of …, 2022 - Elsevier
We investigate the effect of accumulation of H atoms on θ'strengthening precipitates in Al-Cu
alloy. A relationship is established between the H accumulation and decrease in shear …

Microstructural morphology and mechanical properties of deep cryogenic treatment modified Al-Cu-Mg-Ag alloy

J Guo, M Jin, R Su, G Li, Y Qu - Materials Today Communications, 2024 - Elsevier
In order to develop high-strength Al-Cu-Mg-Ag alloys used in the aerospace, this paper
studied the mechanical properties and microstructure of Al-Cu-Mg-Ag alloys with T6I4 …

Effect of non-isothermal ageing on microstructure and mechanical properties of an Al–Cu–Mg–Ag alloy

C Tang, B Luo, Z Bai, W Mo, P Deng - Materials Science and Engineering: A, 2022 - Elsevier
The effect of non-isothermal ageing (NIA), combined with two conventional T6 treatments on
the microstructure and mechanical properties of an Al–Cu–Mg–Ag alloy was investigated …

Improved stress relaxation stability of a heat-resistant Al-Cu-Mg-Ag alloy with good mechanical properties by a pre-annealing/solution-aging treatment

Z Zhao, N Xiao, Z Zhang, Z Wang - Journal of Alloys and Compounds, 2023 - Elsevier
Good stress relaxation stability enables heat-resistant aluminum alloys to serve well at high
temperatures. From the viewpoint of simultaneous regulation of microstructure and …

Minimizing porosity and optimizing microstructure of hot-wire arc additive manufactured Al-Cu-Mg-Ag alloy for strength increment

Y Yan, J Si, X Di, Y Guo, Q Han, C Liu - Journal of Manufacturing Processes, 2024 - Elsevier
Here, wire arc additive manufacturing (WAAM) is employed for the fabrication of Al-Cu-Mg-
Ag alloy, focusing on improving mechanical property via eliminating porosity and tuning …

[HTML][HTML] Effect of deep cryogenic treatment on the microstructure and mechanical properties of Al–Cu–Mg–Ag alloy

J Wang, J Xie, D Ma, Z Mao, T Liang, P Ying… - Journal of Materials …, 2023 - Elsevier
Abstract Effect of deep cryogenic treatment (DCT) on the aging behavior and tensile
properties of Al–Cu–Mg–Ag alloy was investigated. Results show that DCT of Al–Cu–Mg–Ag …