[HTML][HTML] Making sustainable aluminum by recycling scrap: The science of “dirty” alloys

D Raabe, D Ponge, PJ Uggowitzer, M Roscher… - Progress in materials …, 2022 - Elsevier
There are several facets of aluminum when it comes to sustainability. While it helps to save
fuel due to its low density, producing it from ores is very energy-intensive. Recycling it shifts …

Deep potentials for materials science

T Wen, L Zhang, H Wang, E Weinan… - Materials …, 2022 - iopscience.iop.org
To fill the gap between accurate (and expensive) ab initio calculations and efficient atomistic
simulations based on empirical interatomic potentials, a new class of descriptions of atomic …

Pushing the limit of molecular dynamics with ab initio accuracy to 100 million atoms with machine learning

W Jia, H Wang, M Chen, D Lu, L Lin… - … conference for high …, 2020 - ieeexplore.ieee.org
For 35 years, ab initio molecular dynamics (AIMD) has been the method of choice for
modeling complex atomistic phenomena from first principles. However, most AIMD …

Freezing solute atoms in nanograined aluminum alloys via high-density vacancies

S Wu, HS Soreide, B Chen, J Bian, C Yang, C Li… - Nature …, 2022 - nature.com
Low-temperature decomposition of supersaturated solid solution into unfavorable
intergranular precipitates is a long-standing bottleneck limiting the practical applications of …

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 …

Strength and stability through variable micro segregation behaviour of Ta and Zr solutes at intermetallic interfaces in Al-Cu alloys

U Bansal, MP Singh, SK Sinha, DK Sahu, S Mondol… - Acta Materialia, 2023 - Elsevier
A small amount of Zr and Ta are added to aluminium-copper (Al-Cu) alloys, and the
evolution of strengthening phases with multi-step heat-treatment and their stability after …

Solute-vacancy clustering in aluminum

J Peng, S Bahl, A Shyam, JA Haynes, D Shin - Acta Materialia, 2020 - Elsevier
We present an extensive first-principles database of solute-vacancy, homoatomic,
heteroatomic solute-solute, and solute-solute-vacancy binding energies of relevant alloying …

Defect-characterized phase transition kinetics

X Zhang, J Zhang, H Wang, J Rogal, HY Li… - Applied physics …, 2022 - pubs.aip.org
Phase transitions are a common phenomenon in condensed matter and act as a critical
degree of freedom that can be employed to tailor the mechanical or electronic properties of …

[HTML][HTML] Modelling the spatial evolution of excess vacancies and its influence on age hardening behaviors in multicomponent aluminium alloys

X Wang, D Zhao, Y Xu, Y Li - Acta Materialia, 2024 - Elsevier
Excess vacancies play crucial roles in the precipitation of age-hardening precipitates in
aluminium alloys, but their spatial evolution across grains during heat treatments is less …

Accurate Deep Potential model for the Al–Cu–Mg alloy in the full concentration space

W Jiang, Y Zhang, L Zhang, H Wang - Chinese Physics B, 2021 - iopscience.iop.org
Combining first-principles accuracy and empirical-potential efficiency for the description of
the potential energy surface (PES) is the philosopher's stone for unraveling the nature of …