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ISSN: 2213-9567

Comparison of the insertion-extraction of Ca and Mg ions in amorphous CaMn2O4 post-spinel-based cathodes in aqueous media

•Calcium manganese oxide (CMO) can be used as a cathode for Mg and Ca ion batteries.•Mg ions insert more efficiently in CMO than Ca ions.•Better CMO capacity and cyclability for Mg than for Ca electrolytes.•Cation...

Clarifying interfacial microstructures of Ti particle reinforced Mg-Zn-Mn composites to achieve good strength-ductility synergy

•The Ti/Mg-6Zn-xMn composites were successfully prepared by semi-solid stirring assisted ultrasonic treatment.•The interfacial structure evolution and its role on the mechanical properties was revealed.•The...

Enhancing hydrogen storage performance of MgH2 with hollow Bi2Ti2O7 catalyst: Synergistic effects of Bi2Mg3 alloy phase and Ti polyvalency

•The hollow Bi2Ti2O7 catalysts were synthesized by a simple thermal method.•The Bi2Ti2O7 can effectively catalyze the hydrogen ab/desorption of MgH2.•The synergistic effect of multivalent Ti and Bi2Mg3...

Insight into the hot deformation behavior and recrystallization mechanism of Mg-Y-RE alloys based on machine learning

•Systematic analysis of microstructure evolution during hot deformation of Mg-Y-Nd-(Sm)-Zr alloys.•The flow stress of Sm-containing alloys decreases dramatically to a steady state after reaching a peak...

Advances and prospects in drug-like coatings on Mg alloy cardiovascular stents: A review

•This review overviews the latest advancements in functional coatings for Mg alloy vascular stents.•This review introduces the drug-like coating concept through the current research status and proposes...

Superplastic deformation mechanisms of coarse-grained rolled Mg-4Y-3RE magnesium alloy

•Among all rolled magnesium alloys, the coarse-grained WE43 studied in this paper exhibits the best high strain rate superplasticity. Under the conditions of 460 °C and a strain rate of 0.0 1s−1, its...

Interpretable machine learning design for concurrent and significant enhancement of the mechanical properties and corrosion resistance of low-density Mg-Li alloys

•An interpretable machine learning strategy was developed to guide the design of low-density Mg-Li alloys.•Clarify the key intrinsic factors affecting the ultimate tensile strength, elongation, and...

Coordinated control of drug release and corrosion resistance for 3D-printed porous Mg alloy in bone implant applications

•Two drug loaded coating systems are introduced inside 3D porous on AZ91 Mg.•In situ incorporation of LDH capsules effectively reduced the porosity of PEO layer.•The post-deposited LDH on PEO layer...

Effect of Al content on the microstructural characteristics and tensile and fatigue properties of extruded SEN Mg alloys

•Al content governs microstructure, strength, ductility, and fatigue in extruded SEN Mg alloys.•Grain size varies non-monotonically due to solute drag, DRX kinetics, and particle distribution.•Fine...

Hierarchical bioinspired nanocontainer for magnesium alloys: Effective corrosion inhibition and antifouling

•A hierarchical synergistic strategy integrating 3D DE, 2D LDH, and 0D CeO2 nanocarriers was developed to achieve multistage controlled release of 2-MBI.•A high 2-MBI loading capacity of 24.9 wt.% was...

Multi-physics modeling of laser melted magnesium alloy: Bridging melt pool dynamics to microstructure evolution

•A multi-physics framework integrating of DEM, FVM-VOF, and PFM is establish to resolve multi-scale LPBF-processed Mg alloy.•Semi-elliptical molten pool exhibits intense Marangoni convection at the...

Overcoming geometric embrittlement in Mg–Li foils through grain refinement and grain-boundary–mediated deformation

•Geometric embrittlement scales with thickness/grain-size ratio.•HRDSR refines grains, enabling grain-boundary–mediated plasticity.•Strain-rate sensitivity and V* confirm GBS-controlled deformation.•Deformation...

Harnessing the power of α-Mg: Unveiling the matrix phase’s role in Mg alloys from structure to function

•The intrinsic properties of α-Mg and their critical influence on multiple alloy performance are reviewed.•The interactions between α-Mg and solutes, defects, and precipitates are systematically analyzed,...

Interactions between a migrating {101¯1} twin boundary and a 〈 c 〉 or 〈 c+a 〉 dislocation in magnesium

•Molecular dynamics simulation of interaction between a migrating {101¯1} twin boundary (TB) and a prismatic 〈 c 〉/〈 c+a 〉 dislocation in magnesium.•The tendency for the basal 〈 a 〉 dislocation (transmutation...

The influence of RE elements on the performance of laser welded joints of magnesium alloys: A review

•Systematically elucidates the tripartite regulatory mechanism by which rare earth (RE) elements optimize magnesium alloy weld joint properties through grain refinement, grain boundary pinning, and...

Atomic-scale modeling of defects in magnesium and its alloys: A review

•Review of atomic-scale modeling of defects in Mg and its alloys.•Overview of atomic-scale modeling techniques applied to Mg research.•Insights into 0-3D defect structures and behaviors in Mg and its...

Multifunctional hydrophobic/superhydrophobic protective coatings for magnesium alloys: A review on material design, protection mechanisms, and engineering applications

•Review of multifunctional hydrophobic and superhydrophobic coatings for Mg alloys.•Synergistic effects of roughness, porosity, surface energy on durability analyzed.•Defect evolution and coating failure...

Orientation dependence of extremely high strength in Mg-Li-Zn single crystals

•An extremely high yield stress of ∼430 MPa is obtained for a body-centered cubic (bcc)-structured single-crystal Mg-Li alloy by Zn-addition.•The strengthening by Zn addition is accompanied by a strong...

Microstructural modification and tailoring the shear mechanical properties of in-situ manufactured Mg–Si alloys via varying cooling rates during solidification

•Development of a model to determine the relation between cooling rate and microstructural features in cast Mg–Si alloys.•Plots of average grain size against the geometrical modulus (M2) followed straight...

Enhancement of unique heat treatment process on microstructure and mechanical properties of thixomolded complex lightweight AZ91D magnesium alloy laptop shell with ultra-thin wall thickness

•This research has achieved the breakthrough in the mechanical properties of AZ91D magnesium by thixomolding process with heat treatment, the distinguished mechanical properties of 351 MPa (ultimate...

Validating the athermal contribution of electropulsing treatment utilizing T-type Mg specimen

•T-type specimen effectively decouples thermal and athermal contributions of EPT.•The athermal effects are isolated and confirmed with the newly developed methodology.•They boost microstructure evolution...

Improving the hydrogen storage performance of MgH2 by compositing with Ce/N–codoped TiO2

•Ce/N–codoped TiO2 (CN-T) is synthesized using an etching/hydrothermal method.•CN-T is compounded with MgH2 at different loadings to afford composites.•The H2 storage performances of these composites...

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