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ISSN: 2213-9567

Interfacial engineering of BN-supported PdNi clusters via d-band modulation for enhanced hydrogen storage in magnesium

•Interfacial engineering on BN tunes PdNi clusters for Mg hydrogen storage.•nano-Mg@PdNi/BN reduces the onset dehydrogenation to 173 °C.•The composite releases 6.58 wt.% H2 within 500 s at 325 °C.•d-band...

Achieving simultaneous strength-ductility-corrosion optimization of solid-state additive friction stir deposited superlight Mg-Li alloy by a hybrid high flow rate Argon/CO₂ shielding atmosphere

•A hybrid Ar-liquid CO₂ cooling route was developed for AFSD of LAZ1033 Mg–Li alloy, where phase-change cooling refines grains, facilitates Al solid solution and restrains secondary phases.•Low-flow...

Achieving strength-ductility synergy and controlled degradation in biodegradable Mg-Zn-Sr-Mn alloy via Sm micro-alloying

•Sm micro-alloying yields nanoscale (Mg, Zn)41Sm5 phases in biodegradable Mg alloy.•ZSM-0.5Sm achieves strength-ductility synergy via non-basal slip activation.•0.5 wt.% Sm mitigates micro-galvanic...

Anomalous deformation behavior and underlying mechanisms of Mg-Nd-Zr-Ca alloy during low-temperature hot compression

•The flow stress abnormally increased with decreasing strain rate during compression at 180 °C.•The activation energy for DSA is consistent with that for Zr atoms diffusion.•Zr atoms dynamically precipitate...

Reaction-sequence-regulated Y2O3/t-ZrO2 coherent interfaces enable Y diffusion and YSTZ toughening in ceramic coatings on AZ91D magnesium alloy

•A reaction-sequence-regulated PEO strategy builds Y2O3/t-ZrO2 coherent interfaces.•High interfacial energy converts a diffusion barrier into a fast transport pathway.•The coherent interface reduces...

Achieving 500 MPa strength in rare-earth free magnesium alloys: synergetic ultrafine graining and multi-scale precipitation

•A secondary ultra-low speed extrusion strategy is proposed to fabricate high strength RE-free Mg-Ag-Mn-Ca alloy.•The SHEed alloy achieves an ultrahigh tensile strength of 518 MPa with an elongation...

Insight into corrosion and tribological behavior of solid-state recycling Mg-Gd-Y-Zn-Zr alloys through spark plasma sintering

•Solid state recycling through spark plasma sintering resulted in the bonding interface containing RE oxides.•Heat treatment result in dissolution of block LPSO phase, thereby reducing galvanic corrosion.•The...

Plastic incompatibility stresses arising from slip and twinning in extruded AZ31 magnesium alloy: In-situ synchrotron diffraction analysis using self-consistent modeling

•Slip and twinning in extruded AZ31 depend on loading conditions.•CRSS values determined via synchrotron diffraction of lattice strains.•Self-consistent model and q-method used to determine grain stresses.•EPSC...

The key mechanism of twin-mediated microcracks in enhancing Mg anodes’ discharge behavior

•The effect of annealing temperature on the discharge performance of a Mg anode was studied.•The relationship between twins and the discharge morphology of a magnesium anode was revealed.•The fine grain...

Synergistic effects of silicon alloying and plastic deformation on thermal expansion behavior and mechanical performance of dual-phase Mg-Li alloys

●Si alloying and plastic deformation synergistically optimize the thermal expansion and mechanical properties of Mg–Li alloys.●Residual stress effects were investigated, while first-principles calculations...

Deformation twinning in magnesium: the role of phase transformations

Image, graphical abstract...

A new methodology for habit plane and orientation relationship prediction in precipitation strengthening of magnesium alloys

•A general method predicts orientation relationships and habit planes in precipitation-strengthened Mg alloys.•Three possible orientation relationships and habit planes are theoretically predicted for...

Al-driven magnesium alloy functionality via manifold structuring and disorder

•First comprehensive atomistic study of alloying & porosity in Mg-alloy performance.•Molecular Dynamics investigation of tensile response in Mg-Al-Zn alloys.•Effects of 0–18% Al+Zn and 0–3% porosity...

Novel Mg-Y-Ni dissoluble alloys with low cost, high strength, and rapid dissolution rate developed via optimizing thermal processing routes

•Proposes a “materials streamlining” strategy is proposed by utilizing a low-RE Mg-Y-Ni alloy and achieving performance through advanced thermomechanical processing instead of costly high-RE alloying.•Provides...

Integrating multimodal dot product fusion with conditional generative adversarial network to build a C-P-S-P chain in Mg alloys

•A multimodal CNN with dot product fusion predicts UTS of Mg alloys (R2 = 0.928).•MCCGAN generates EBSD microstructures conditioned on composition and process.•Integration of multimodal CNN and MCCGAN...

Deformation mechanisms and mechanical behaviors of magnesium alloys in light of the dislocation core structures dominated by composition-dependent 3D misfit potentials

Deformation mechanisms and mechanical behaviors of magnesium (Mg) alloys are essentially governed by the characteristics of dislocation core structures, which are dominated by the composition-dependent...

Synergistic enhancement of strength and ductility in wire arc additive manufactured Mg-Gd-Y-Zr alloy via Ag addition

To overcome the strength-ductility trade-off and poor formability of high-RE magnesium alloys, Mg-13Gd-3Y-XAg-Zr (x = 0, 1, and 2 wt.%) thin walls were fabricated via wire arc additive manufacturing...

Synergetic enhancement of corrosion resistance in ZM2 magnesium alloy via a hybrid cold spraying/micro-arc oxidation duplex coating

•CS Al underlayer combined with MAO forms high-performance duplex coating on ZM2 Mg alloy.•Polished CS Al layer regulates MAO discharge and improves coating uniformity.•γ-Al2O3 nanocrystals embedded...

Grain-scale plastic deformation characteristics and corresponding local plasticity effects in Mg-Y-Nd-Zr-Gd alloys: A multi-strategy in situ experimental study

•Grain-scale stress–strain evolution in a Mg-Y-Nd-Zr-Gd alloy was resolved via a multi-strategy in-situ framework.•An adaptive coordination mechanism was identified where slip systems reorient strain...

A comprehensive review of fundamentals, recent advances, and future perspectives of magnesium-based materials for high-performance supercapacitors

•Magnesium-based materials enable enhanced charge storage via divalent Mg²⁺ ions.•Integration of EDLC and pseudocapacitive mechanisms improves performance.•MOFs, LDHs, and Mg-doped carbons offer tunable...

Toward next-generation biodegradable magnesium alloy cardiovascular stents: key challenges, rational design, advanced surface modifications, and future perspectives

•Biodegradable magnesium alloy stents represent a promising next-generation alternative to permanent metallic stents.•The clinical application of magnesium alloy stents is severely hindered by rapid...

Atomic simulation of bimodal microstructure in wrought Mg-Al-Zn-Ca-Mn alloy

•Molecular dynamics (MD) simulations reveal how Al₂Ca precipitates hinder low-angle grain boundaries (LAGB) migration at the atomic scale.•Al₂Ca precipitates grow during annealing and impede LAGB migration...

Alternating magnetic field-responsive and spatiotemporally programmable Mg60Zn35Ca5 coating against methicillin-resistant Staphylococcus aureus for orthopedic implants

●An AMF-responsive and spatiotemporally programmable antibacterial Mg₆₀Zn₃₅Ca₅ amorphous coating for orthopedic implants.●This Mg₆₀Zn₃₅Ca₅ coating integrates continuous passive defense and on-demand...

Quasi-in-situ EBSD analysis of twinning and detwinning in ZCW610 alloy

•Biaxial compression favors twinning over detwinning.•Low-SF twins form under strain compatibility and local stress.•Internal stress drives reversible twin activation and detwinning....

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