Achieving superior strength-ductility balance by tailoring dislocation density and shearable GP zone of extruded Al-Cu-Li alloy

X Xu, G Wu, X Tong, L Zhang, C Wang, F Qi… - International Journal of …, 2024 - Elsevier
Pre-stretching is commonly employed to accelerate ageing precipitation kinetics in wrought
Al-Cu-Li alloys, but uneven precipitation resulting from dislocation pile-ups often degrades …

[HTML][HTML] Research progress in laser additive manufacturing of aluminum alloys: Microstructure, defect, and properties

Y Mao, H Chen, J ** Al alloys
due to its potential to fabricate structural components at low cost and high efficiency …

Al–Cu alloy fabricated by novel laser-tungsten inert gas hybrid additive manufacturing

D Wu, D Liu, F Niu, Q Miao, K Zhao, B Tang, G Bi… - Additive …, 2020 - Elsevier
Owing to its high strength to weight ratio, Al–Cu alloy is extensively used in the aeronautic
and aerospace industries. However, there are some shortcomings in the additive …

Machine learning for metallurgy IV: A neural network potential for Al-Cu-Mg and Al-Cu-Mg-Zn

D Marchand, WA Curtin - Physical Review Materials, 2022 - APS
Most metallurgical properties, eg, dislocation propagation, precipitate formation, can only be
fully understood atomistically but most phenomena and quantities of interest cannot be …

Effects of artificial aging on microstructure, mechanical properties and stress corrosion cracking of a novel high strength 7A99 Al alloy

Y Hou, L Chen, Z Li, G Zhao, C Zhang - Materials Science and Engineering …, 2020 - Elsevier
A recently developed 7A99 Al alloy was subjected to hot extrusion, solid solution and
artificial aging. The microstructure evolution and precipitation behavior were examined, and …

Nano-phase transformation of composite precipitates in multicomponent Al-Mg-Si (-Sc) alloys

SB Wang, CF Pan, B Wei, X Zheng, YX Lai… - Journal of Materials …, 2022 - Elsevier
Sc-addition can significantly enhance the performance of the micro-alloyed Al-Mg-Si-Sc
alloys. However, the mechanisms by which the Sc element modifies the microstructure of the …

[HTML][HTML] Precipitation processes and structural evolutions of various GPB zones and two types of S phases in a cold-rolled Al-Mg-Cu alloy

X Chen, CD Marioara, SJ Andersen, J Friis, A Lervik… - Materials & Design, 2021 - Elsevier
Abstract The Guinier–Preston–Bagaryatsky (GPB) zone and the S phase are the key
strengthening precipitates in Al-Cu-Mg alloys. However, how their respective structures …

Effects of solution treatment on the microstructure and mechanical properties of naturally aged EN AW 2024 Al alloy sheet

M Liang, L Chen, G Zhao, Y Guo - Journal of Alloys and Compounds, 2020 - Elsevier
The solution experiments on cold rolled 2024 Al sheet with a 1070 Al coating were carried
out at various temperatures and holding time. The effects of solution parameters on the …

Influence of Ir concentration on the structure, elastic modulus and elastic anisotropy of NbIr based compounds from first-principles calculations

Y Pan, Y Li, Q Zheng - Journal of Alloys and Compounds, 2019 - Elsevier
Although Nbsingle bondIr compounds are promising high-temperature structural materials
due to the high melting-point, moderate density and excellent thermal stability, the structural …

The precipitation evolution and mechanical properties of an Al-Cu-Li-Mg alloy during natural aging

S Deng, Z Liu, G Zeng, H **ang, P Ma, J Yin… - Journal of Materials …, 2024 - Elsevier
The precipitation evolution and mechanical properties of a commercial Al-Cu-Li-Mg alloy in
natural aging (NA) tempers (T3 and T4) were investigated in detail. It was demonstrated that …