[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 …

Atom probe tomography

B Gault, A Chiaramonti, O Cojocaru-Mirédin… - Nature Reviews …, 2021 - nature.com
Atom probe tomography (APT) provides three-dimensional compositional mapping with sub-
nanometre resolution. The sensitivity of APT is in the range of parts per million for all …

[HTML][HTML] Hydrogen trapping and embrittlement in high-strength Al alloys

H Zhao, P Chakraborty, D Ponge, T Hickel, B Sun… - Nature, 2022 - nature.com
Ever more stringent regulations on greenhouse gas emissions from transportation motivate
efforts to revisit materials used for vehicles. High-strength aluminium alloys often used in …

Investigation on microstructure and mechanical properties of Al-Zn-Mg-Cu alloys with various Zn/Mg ratios

Y Zou, X Wu, S Tang, Q Zhu, H Song, M Guo… - Journal of Materials …, 2021 - Elsevier
Abstract The effects of Zn/Mg ratios on microstructure and mechanical properties of Al-Zn-Mg-
Cu alloys aged at 150° C have been investigated by using tensile tests, optical …

Precipitation kinetics in metallic alloys: Experiments and modeling

A Deschamps, CR Hutchinson - Acta Materialia, 2021 - Elsevier
Nanoscale precipitation is one of the most widely used microstructural tools to manipulate
the properties of metallic alloys, and especially to reach high strength. Optimal …

Superior strength of laser-arc hybrid additive manufactured Al-Zn-Mg-Cu alloy enabled by a tunable microstructure

D Liu, D Wu, C Ge, H Lu, Z Chen, M Liu, Y Wang… - Additive …, 2023 - Elsevier
Achieving high strength in the precipitation-strengthened Al-Zn-Mg-Cu alloys produced via
additive manufacturing (AM) remains challenging. This work focused on an innovatively …

Unraveling precipitation evolution and strengthening function of the Al-Zn-Mg-Cu alloys with various Zn contents: Multiple experiments and integrated internal-state …

J Tang, M Liu, G Bo, F Jiang, C Luo, J Teng… - Journal of Materials …, 2022 - Elsevier
Zn content is one of the most concerned factors in the development of next generation ultra-
strength Al-Zn-Mg-Cu alloys owing to its essential role in precipitation strengthening. In the …

[HTML][HTML] Revisiting stress-corrosion cracking and hydrogen embrittlement in 7xxx-Al alloys at the near-atomic-scale

M López Freixes, X Zhou, H Zhao, H Godin… - Nature …, 2022 - nature.com
The high-strength 7xxx series aluminium alloys can fulfil the need for light, high strength
materials necessary to reduce carbon-emissions, and are extensively used in aerospace for …

Segregation-driven grain boundary spinodal decomposition as a pathway for phase nucleation in a high-entropy alloy

L Li, Z Li, AK da Silva, Z Peng, H Zhao, B Gault… - Acta Materialia, 2019 - Elsevier
Elemental segregation to grain boundaries (GBs) can induce structural and chemical
transitions at GBs along with significant changes in material properties. The presence of …

An atomic scale structural investigation of nanometre-sized η precipitates in the 7050 aluminium alloy

TF Chung, YL Yang, M Shiojiri, CN Hsiao, WC Li… - Acta Materialia, 2019 - Elsevier
Using high-angle-annular-dark-field (HAADF) scanning-transmission-electron microscopy
(STEM), we have investigated η-precipitates in the Al-Zn-Mg-Cu (AA7050) aluminium alloy …