[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 …

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

Q Lu, J Wang, H Li, S **, 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 …

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 …

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 …

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 …

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 …

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 …

κ-Carbide assisted nucleation of B2: A novel pathway to develop high specific strength steels

A Zargaran, TTT Trang, G Park, NJ Kim - Acta Materialia, 2021 - Elsevier
Controlling morphology of B2 phase as nano-sized particles that are homogenously
distributed within austenite matrix has been remained as a challenging task particularly for …