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ISSN: 2213-9567

Physical and chemical interfacial engineering of mg anodes for rechargeable magnesium batteries

•The formation of inactive oxide layers, electrolyte incompatibility, and poor reversibility during Mg deposition/stripping remain key challenges in the magnesium battery field.•To address issues, physical...

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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...

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Design of 8HQ@ZIF-8/PDA smart nanocontainers via host-guest nanoconfinement and surface self-assembly for enhanced corrosion protection and self-healing of magnesium alloy epoxy composite coatings

•The host–guest nanoconfinement and surface self-assembly was jointly designed.•8HQ@ZIF-8/PDA smart nanocontainers, approximately 146 nm in size, were fabricated.•The coatings showed great compatibility,...

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Achieving excellent strength-ductility synergy of wire-arc additive manufactured Mg-Gd-Y-Zr alloy via friction stir processing

•FSP refines oxide and reduces porosity in the WAAM-GW92K alloy.•WAAM-GW92K precipitates eutectic phases, transforming to nano-phase via FSP.•FSP's high heat input/low strain rate yields ultrafine equiaxed...

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Predicting grain boundary segregation in magnesium alloys: An atomistically informed machine learning approach

•Vibrational free energy distribution in Mg GBs differs significantly from bulk, indicating unique thermal properties at GBs.•Segregation energies and free energies show skew-normal distributions at...

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Effects of composition ratio of TiCu precursor on dealloying behavior in molten Mg and microstructural characteristics of Mg-Ti composites

•Effects of TiCu precursor composition on liquid metal dealloying (LMD) behavior were studied.•Ti50Cu50 and Ti30Cu70 precursors showed distinct dealloying kinetics and phase transitions.•Ti30Cu70 precursor...

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The key role of Zn in enhancing precipitation kinetics and refinement of Mg₁₇Al₁₂ and Mg₂Sn phases through trace Na additions

•Trace Na additions enhance Mg₁₇Al₁₂ and Mg₂Sn precipitation in Mg alloys.•Co-addition of Zn with Na refines precipitates and accelerates kinetics.•Sn–Na–Zn particles act as nucleation sites for Mg₂Sn...

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On the microstructural, mechanical, damping, wear properties of magnesium alloy AZ91-3 vol. % SiCP-3 vol. % fly ash hybrid composite and property correlation thereof

•AZ91 Mg alloy hybrid composite (3 vol. % SiCp and 3 vol. % fly ash particles) is fabricated using stir casting and hot extrusion.•Pair-wise property correlation map between grain size, density, mechanical,...

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Chemically stable TMOx@Ti-MgO (TM = Mn and Cu) catalyst enhanced De/hydrogenation kinetics of Mg/MgH2

•Catalytic activity of Ti-based catalysts can be controlled systematically by utilizing Ti-doped MgO strategy.•The introduced TMOx facilitates nucleation process by increasing the nucleation sites.•High...

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Recrystallization aspects and factors affecting their roles in Mg alloys: A comprehensive review

•Recrystallization significantly influences the microstructure and mechanical properties of magnesium alloys, while the are affected by several factors.•Deformation introduces defects that destabilize...

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Theoretical and experimental study of amorphization and lattice transformation of pure magnesium by ultra-precision cutting method

•Amorphous pure magnesium was successfully prepared by ultra-precision cutting.•The transformation of pure magnesium crystal from HCP lattice to BCC lattice was observed.•The average hardness of pure...

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The development and prospect of bio-Mg alloy materials

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Effect of warm rotary swaging on the mechanical and operational properties of the biodegradable Mg-1 %Zn-0.6 %Ca alloy

•Warm rotary swaging (RS) leads to grain refinement of Mg-1 %Zn-0.6 %Ca alloy.•RS increases strength of the alloy without loss of ductility.•RS does not impair corrosion resistance of Mg-1 %Zn-0.6 %Ca...

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Deep drawing of magnesium alloys: A review

•This paper presents all the aspects of deep drawing of magnesium alloys covering from the innovative methods of deep drawing, factors influencing the performance of deep drawing, simulation and modelling,...

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Electron-induced evolution of dislocation density and morphology in Mg-Y-Nd-Gd-Zr alloy at ultra-low temperature

•Non-thermal dislocation annihilation: Electron-induced reduction of geometrically necessary dislocation density by 15.2 % in Mg-Y-Nd-Gd-Zr alloy at ultra-low temperatures (−150 °C to −196 °C), independent...

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In-situ high-dynamic micro hammering enhanced wire-arc direct energy deposition of magnesium alloy

•In-situ high-dynamic micro hammering of just-solidified deposited layer during WA-DED for AZ31B Mg alloy was achieved, with real-time control of the hammering force.•In the case of moderate deformation...

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Unveiling anomalous strengthening and deformation mechanism evolution in a Mg-Gd-Y-Zr alloy under rate-temperature coupling effects

•Lower strain rates (10 s⁻¹ to 10⁻³ s⁻¹) increase peak stress but reduce ductility around 150 °C.•Strength anomaly at 150 °C arises from strain aging, precipitation, and dislocation structures.•High...

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Reduced graphene oxide/patronite composite as highly active catalyst precursors for enhancing the hydrogen desorption of MgH2

•The synergic catalytic effect of in-situ generated and uniformly scattered metallic V and MgS facilitates the improved hydrogen desorption of MgH2 by introducing the rGO@VS4 composite.•The MgH2–15...

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Effect of LIPUS on the degradation behavior of magnesium alloy scaffolds for bone repair: Insights from in vitro and in vivo studies

•LIPUS accelerates magnesium scaffold degradation via cavitation effects.•LIPUS detaches Ca-P salts and promotes BSA adsorption on scaffolds in vitro.•LIPUS promotes Ca-P salt deposition and stabilizes...

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Simultaneous achievement of high strength and large elongation in extruded Mg/LPSO alloys via the anisotropic mechanical property-induced ductilization (AMID) mechanism

•Simultaneous achievement of the extremely high UTS of ∼450 MPa with plastic elongation of ∼11% was obtained in Mg/LPSO extruded alloys by microstructural control.•The simultaneous acquisition of high...

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Estimation of Peierls-Nabarro stress of dislocations by the first-principles calculation in Mg alloys and their effects on plasticity

•The model for Peierls-Nabarro stress (σp) of edge and screw 〈a〉 and 〈c + a〉 dislocations in hcp-Mg alloys are firstly established based on the first-principles calculation.•Specific alloying elements...

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Indentation-induced deformation twinning in magnesium: Phase-field modeling of microstructure evolution and size effects

•A coupled phase-field and crystal plasticity model to study deformation twinning in magnesium.•Reliable prediction of twin microstructure evolution during micro/nano-indentation, capturing experimentally-consistent...

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Refinement of Mg2Si in Mg-Al-Si alloys through Ca and Y additions: A novel core-shell structure evolution mechanism and enhanced mechanical properties

•The optimal individual addition for Mg2Siis determined to be 0.1 wt.% Ca and 0.9 wt.% Y respectively.•The optimal composition for simultaneous addition is Mg-Al5.5-Si9.5-Ca0.1-Y0.6 (wt.%).•A core-shell...

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AZ31 magnesium alloy sheet with high ductility and low anisotropy achieved by a novel asymmetrical angular rolling process

•An asymmetrical angular rolling (AAR) processes that introduces bidirectional asymmetric shear stress was designed.•The sheets prepared by AAR process exhibit high ductility and low anisotropy.•Detailed...

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Quantitatively regulated and recognized dual-precipitates of Mg-5Sn alloy through an improved twinning-aging-detwinning and strengthening mechanisms

•Incomplete TAD regulated the basal precipitate orientation to prismatic orientation for dual-precipitates.•A recognized method was developed to quantitatively recognize dual-precipitates with complex...

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