[HTML][HTML] Making sustainable aluminum by recycling scrap: The science of “dirty” alloys
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 …
fuel due to its low density, producing it from ores is very energy-intensive. Recycling it shifts …
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 …
the properties of metallic alloys, and especially to reach high strength. Optimal …
Freezing solute atoms in nanograined aluminum alloys via high-density vacancies
Low-temperature decomposition of supersaturated solid solution into unfavorable
intergranular precipitates is a long-standing bottleneck limiting the practical applications of …
intergranular precipitates is a long-standing bottleneck limiting the practical applications of …
Characterization of lattice defects in metallic materials by positron annihilation spectroscopy: A review
J Čížek - Journal of Materials Science & Technology, 2018 - Elsevier
Positron is an excellent probe of lattice defects in solids. A thermallized positron delocalized
in lattice can be trapped at open volume defects, eg vacancies, dislocations, grain …
in lattice can be trapped at open volume defects, eg vacancies, dislocations, grain …
Solute cluster evolution during deformation and high strain hardening capability in naturally aged Al–Zn–Mg alloy
The natural aging (NA) response of a commercial Al–Zn–Mg alloy has been tracked to
investigate the effects of solute clusters on its mechanical properties. It has been observed …
investigate the effects of solute clusters on its mechanical properties. It has been observed …
Study of precipitation in Al–Mg–Si alloys by Atom Probe Tomography I. Microstructural changes as a function of ageing temperature
MW Zandbergen, Q Xu, A Cerezo, GDW Smith - Acta Materialia, 2015 - Elsevier
Abstract Atom Probe Tomography (APT) analysis and hardness measurements were used to
characterise the early stages of precipitation in an Al–0.51 at.% Mg–0.94 at.% Si alloy. The …
characterise the early stages of precipitation in an Al–0.51 at.% Mg–0.94 at.% Si alloy. The …
[HTML][HTML] Modelling the spatial evolution of excess vacancies and its influence on age hardening behaviors in multicomponent aluminium alloys
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 …
aluminium alloys, but their spatial evolution across grains during heat treatments is less …
Enhanced dispersoid precipitation and dispersion strengthening in an Al alloy by microalloying with Cd
The dispersion hardening effect of Mn (Fe)-containing dispersoids in aluminium alloys has
long been ignored since it is difficult to achieve a high number density of fine dispersoids …
long been ignored since it is difficult to achieve a high number density of fine dispersoids …
Design strategy for controlled natural aging in Al–Mg–Si alloys
M Werinos, H Antrekowitsch, T Ebner, R Prillhofer… - Acta Materialia, 2016 - Elsevier
This study presents a design strategy for Al–Mg–Si alloys to control natural aging. Recently,
trace addition of Sn was shown to suppress natural aging for up to two weeks, which was …
trace addition of Sn was shown to suppress natural aging for up to two weeks, which was …
Atomic structures of precipitates in Al–Mg–Si alloys with small additions of other elements
T Saito, EA Mørtsell, S Wenner… - Advanced …, 2018 - Wiley Online Library
In Al–Mg–Si alloys, additions of only a few weight percent of Mg and Si enable formation of
hardening precipitates during heat treatment. The precipitation is complex and is influenced …
hardening precipitates during heat treatment. The precipitation is complex and is influenced …