Melt viscosity of light alloys: Progress and challenges

Y Fu, H Li, K Tang, S Yang, Y Shi, B Liu, Q Luo… - Journal of Materials …, 2024 - Elsevier
The viscosity of molten metals is a critical parameter influencing melt fluidity, alloy forming
quality, and casting performance. It is therefore essential to maintain melt viscosity within an …

Refining 18R-LPSO phase into sub-micron range by pre-kinking design and its prominent strengthening effect on Mg97Y2Zn1 alloy

C Sun, H Liu, Z Xu, Y Wu, K Yan, J Ju, J Jiang… - Journal of Materials …, 2024 - Elsevier
In this study, a composite deformation strategy of pre-kinking (equal channel angular
pressing (ECAP)) followed by large-ratio hot extrusion (HE) was designed to refine the 18R …

Corrosion mechanism of Mg alloys involving elongated long-period stacking ordered phase and intragranular lamellar structure

J Xie, J Zhang, Z Zhang, Z Yu, Z Xu, R Wang… - Journal of Materials …, 2023 - Elsevier
It is a long-term challenge to further improve the corrosion resistance while ensuring the
strength of magnesium (Mg) alloys. Revealing the effect of potential fluctuation on the micro …

Enhanced strength-ductility synergy of magnesium alloy fabricated by ultrasound assisted directed energy deposition

X Li, X Fang, M Zhang, B Wang, K Huang - Journal of Materials Science & …, 2024 - Elsevier
Investigations on the fabrication of large-size lightweight Mg alloy components by wire-arc
directed energy deposition (DED) are steadily flourishing. Nevertheless, most of these …

Achieving superior strength-ductility synergy in a heterostructured magnesium alloy via low-temperature extrusion and low-temperature annealing

H Wang, DT Zhang, C Qiu, WW Zhang… - Journal of Materials …, 2023 - Elsevier
Abstract A low-alloyed Mg-1.2 Zn-0.1 Ca (wt.%) alloy was fabricated via low-temperature
extrusion and annealing at 250° C for different times (10, 30, and 90 min) to attain …

Effect of cross rolling on the microstructure and mechanical performance of a dual-phase structured Mg-8Li-6Zn-1Y (in wt.%) alloy

D Wang, D Xu, B Wang, C Yan, S Wang, X Xu… - Journal of Materials …, 2024 - Elsevier
The microstructure and mechanical performance of the unidirectionally and cross-
directionally rolled Mg-8Li-6Zn-1Y (in wt.%) sheets have been investigated and compared. It …

Achieving exceptionally high strength and rapid degradation rate of Mg-Er-Ni alloy by strengthening with lamellar γ′ and bulk LPSO phases

C Dai, J Wang, Y Pan, K Ma, Y Peng, Y Wang… - Journal of Materials …, 2024 - Elsevier
Abstract As-extruded Mg-Er-Ni alloys with different volume fractions of long-period stacking
ordered (LPSO) phase and density of lamellar γ′ phase were prepared, and the …

The correlation between grain structures and the corrosion behaviors of as-extruded Mg-Sm-Zn-Zr alloys

YJ Feng, J Yi, Q Luo, B Liu, X Yang, Q Li - Corrosion Science, 2024 - Elsevier
This work investigates the relationship between grain structure and corrosion behaviors of
extruded Mg-Sm-Zn-Zr alloys. The results show that the phase composition and distribution …

Quantitative prediction of Mg-RE-Ni alloy corrosion behavior by machine learning

S Pei, C Dai, X Yang, L Zhang, H Wang, S Zhang… - Corrosion …, 2024 - Elsevier
In this work, a prediction model, which can be used to reveal the corrosion mechanism and
behavior of Mg-RE-Ni alloys, was successfully developed with machine learning. The model …

Atomic-scale investigation of precipitate phases in QE22 Mg alloy

X Zhao, Z Li, A Zhang, L Hao, H Chen, JF Nie - Journal of Materials Science …, 2024 - Elsevier
Precipitation-hardenable commercial Mg alloy QE22 (Mg-2.5 Ag-2.0 Nd-0.7 Zr, wt.%) has
excellent mechanical properties, but precipitates in this alloy have not been well understood …