The advancement of 7xxx series aluminum alloys for aircraft structures: A review

B Zhou, B Liu, S Zhang - Metals, 2021 - mdpi.com
7XXX series aluminum alloys (Al 7XXX alloys) are widely used in bearing components, such
as aircraft frame, spars and stringers, for their high specific strength, high specific stiffness …

Molecular dynamics simulation of laser assisted grinding of GaN crystals

C Li, Y Hu, F Zhang, Y Geng, B Meng - International Journal of Mechanical …, 2023 - Elsevier
Gallium nitride crystal is a typical difficult-to-machine material due to its distinct anisotropy,
high brittleness, and high hardness. The molecular dynamics simulations of traditional …

Using neural networks to represent von Mises plasticity with isotropic hardening

A Zhang, D Mohr - International Journal of Plasticity, 2020 - Elsevier
Neural networks are universal function approximators that form the backbone of most
modern machine learning based models. Starting from a conventional return-mapping …

Strain rate and temperature dependent fracture of aluminum alloy 7075: Experiments and neural network modeling

KS Pandya, CC Roth, D Mohr - International Journal of Plasticity, 2020 - Elsevier
Complex structural components made from 7xxx series alloys are usually manufactured
through hot stamping due to their low ductility at room temperature. With the help of a custom …

Mechanisms of hydrogen embrittlement in high-strength aluminum alloys containing coherent or incoherent dispersoids

M Safyari, M Moshtaghi, T Hojo, E Akiyama - Corrosion science, 2022 - Elsevier
This study investigated the hydrogen embrittlement of a high strength Zr or Cr-added
aluminum alloy specimens containing coherent Al 3 Zr or incoherent Al 18 Mg 2 Cr 3 …

Beyond Orowan hardening: Mapping the four distinct mechanisms associated with dislocation-precipitate interaction

S Peng, Z Wang, J Li, Q Fang, Y Wei - International Journal of Plasticity, 2023 - Elsevier
The conventional role played by precipitates in crystalline solids is in blocking the motion of
dislocations and for consequentially hardening, a mechanism attributed to Orowan's finding …

Prediction of shear strength of cluster-strengthened aluminum with multi-scale approach describing transition from cutting to bypass of precipitates by dislocations

EV Fomin, AE Mayer, VS Krasnikov - International Journal of Plasticity, 2021 - Elsevier
We investigate the deformation of aluminum alloy containing copper in the form of fine Al-Cu
clusters 1–4 nm in diameter with multiscale approach. A part of these precipitates (clusters of …

Dislocation nucleation in Al single crystal at shear parallel to (111) plane: Molecular dynamics simulations and nucleation theory with artificial neural networks

AE Mayer, VS Krasnikov, VV Pogorelko - International Journal of Plasticity, 2021 - Elsevier
We develop the theory of homogeneous nucleation of dislocations, which predicts plasticity
incipience in FCC single crystal using material properties at elastic stage. In contrast to …

Superposed hardening from precipitates and dislocations enhances strength-ductility balance in Al-Cu alloy

J Yang, C Liu, P Ma, L Chen, L Zhan, N Yan - International Journal of …, 2022 - Elsevier
The age hardening response and tensile properties in an Al-Cu alloy pre-deformed by 20-
80% and post-aged at 120-165° C have been examined to study the effect of mixed …

Enhanced age-hardening response at elevated temperature by natural-ageing-modified precipitation in an Al-Cu-Li-Mg alloy

C Liu, Y Zhou, P Ma, J He, L Chen - Materials Characterization, 2023 - Elsevier
The artificial ageing (AA) at 160–240° C with and without prior natural ageing (NA) in a
commercial Al-Cu-Li-Mg alloy has been systematically investigated by hardness test, high …