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ISSN: 2213-9567

Theoretical and experimental studies on magnesite smelting for co-producing forsterite via silicothermic magnesium production under relative vacuum

•A calcium-free magnesite utilization method for Mg smelting is proposed, which drastically shortens the thermal-reduction cycle and offers high efficiency, eco-friendliness, and zero pollution.•The...

Mg‑based solid‑state hydrogen storage: From materials engineering to intelligent system design

Image, graphical abstract...

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...

Magnesium metal batteries for post-lithium alternatives?

•Compared to Li batteries, Mg batteries face challenges across anode, cathode, electrolyte, and separator.•Key modification strategies for Mg batteries are systematically discussed.•System-level engineering...

Suspension-calcined dolomite with ultrahigh reactivity for silicothermic magnesium production

•A suspension calcination route for dolomite powders is developed and its feasibility for magnesium metallurgy is evaluated through coupled simulations, laboratory experiments, and ton-scale pilot validation.•Suspension...

Mechanical properties and deformation mechanisms of a dual-phase Mg-Sc alloy: Effects of strain rate and temperature

•Dual-phase Mg-Sc alloy exhibits strong temperature and strain-rate dependence.•Excellent strength-ductility synergy is achieved at 133 K and 3000 s−1.•Twinning is largely suppressed under quasi-static...

Extrusion ratio-induced microstructural disparity and plastic deformation behavior in dual-phase Mg-Li-Zn-Y alloys

•The as-extruded dual-phase Mg-Li-Zn-Y alloy features a lamellar heterostructure of alternating α-Mg and β-Li phases.•Increasing extrusion ratio yields α-Mg partial recrystallization (∼36%) while β-Li...

Dry sliding wear behavior of SiC-B4C reinforced AZ80 hybrid composites fabricated through a semi-solid stir casting process

•Homogeneous distribution of ceramic particulates in the Mg matrix is achieved by a low-cost semi-solid stir-casting process.•The present research focuses on the impact of wear testing conditions and...

A machine learning potential of Mg-Y alloy and its application on pyramidal <c + a> dislocation

•A broadly applicable deep learning potential for research dislocation behavior of Mg-Y alloys was developed by combining a deep learning framework with a density functional theory dataset.•The...

Efficient fabrication of high-performance ZK61 magnesium alloy hat-shaped thin-walled part: Tailoring heterogeneous structure via multi-DoF forming and heat treatment

•An innovative integrated process is proposed for high-performance ZK61 alloy hat-shaped thin-walled part fabrication.•Microstructure and mechanical properties of multi-DoF formed magnesium alloy hat-shaped...

A review on high performance MgB2 wires: From material science to practical application

•This review provides a systematic overview on PIT and IMD MgB2 wires/tapes, critically assessing their respective advantages and limitations.•This review gives a summary of method aiming at improving...

In situ self-generation and joint strengthening mechanisms of low melting point layered Mg-Zn filler

•A filler was designed and prepared to achieve the high strength joining of Mg alloy brazed joints at low temperatures.•The α'-Mg/Mg7Zn3 (MgZn2) soft-hard biphasic heterogeneous structure formed during...

Impact of tunable oxygen vacancy on microstructure, conduction mechanism and dielectric properties of Y3+/Mg2+ modified calcium copper titanate ceramics

•Pristine and Y3+/Mg2+ modified CCTO ceramic were successfully synthesized by conventional SSR method.•Hopping of charge carriers between Cu+ ↔ Cu2+ and Ti3+ ↔ Ti4+ states is main cause of semiconducting...

Precipitation of abundant nano-interfaces in Sc/In-doped Mg-Y-Zn alloy and the two-stage hydrogenation behavior: Enabling rapid reaction kinetics

•Abundant nano-interfaces are constructed in α-Mg phase with annealing of Mg95Y2Sc1Zn1In1 alloy.•An elevated hydrogenation capacity of 6.39 wt.% is reached since reaction of inner α-Mg grains is accelerated.•Extra...

A cast-on galvanic-corrosion-resistant self-passive thick rapid coating for Mg alloy

•A multilayered thick Zn-Al-Mg alloy coating was rapidly cast on a Mg alloy.•The metallurgically fused coating did not alter substrate microstructure or properties.•The wear-resistant coating had great...

Metabolic behavior of the degradation products of magnesium alloys in bone tissue

•The Mg alloy anchors gradually degraded in vivo and Mg-based degradation products were rapidly metabolized and absorbed.•In the early stages of the fastest degradation rate, the micro-environment inhibited...

Atomic-scale role of rare earth solution atoms in suppressing irradiation-induced void evolution in Mg-Y alloy

•The irradiation-induced void evolution of alloy at atomic-scale was firstly studied.•The growth of voids was hindered by the formation of clusters composed by yttrium element.•Voids undergo irregular...

Novel plastic loop topologies in pure Mg and orientation-dependent fracture of β-Mg₁₇Al₁₂ precipitates under shallow scratching

•Surface-dominated scratching in Mg yields curved multi-segment dislocation loops.•HCP→FCC markers reveal stacking-fault/partial-dislocation plasticity in pure Mg.•β-Mg17Al12 orientation controls loop...

Time-resolved analysis of the dynamics of deformation mechanisms in low-alloyed rapidly solidified Mg-Zn-Y-Al alloy

•The low-alloyed RSRC Mg-Zn-Y-Al alloy has high strength and low yield strength asymmetry.•Acoustic emission gives in-situ insight into the timing and interplay of deformation mechanisms.•The variation...

A novel flame retardant strategy for molten magnesium alloys: The effect of the new protective gas C3H2F6 on EV33 alloy

•The flame retardancy of magnesium alloys can be effectively achieved by utilizing the densification of oxide film.•The effect of secondary formation of oxide film on flame retardancy was explained.•The...

A biomimetic magnesium–hydrogel scaffold with ferroptosis regulatory function for bone defect repair

•A biomimetic composite scaffold was developed by impregnating 3D-printed Mg scaffolds with hydrogel.•The dual-layer design delayed magnesium degradation and enabled sustained Mg2+ release.•The scaffold...

Study on the preparation principle and strengthening mechanism of in-situ synthesized Mg-Li matrix composites through the La2O3→La→AlmLan route

•Based on the modification technology of flux (LiF-LiCl), the efficient wetting of between La2O3 powder and Mg-Li alloy melt has been achieved.•By adopting the route of “La2O3→La→AlmLan”, a new type...

Exploring BaMg2XH8 (X = V, Mn, Fe, and Co) hydrides for solid-state hydrogen storage: Mechanical, electronic, optical, and phonon perspectives

•DFT reveals structural, mechanical, electronic, optical, and H-storage traits of BaMg2XH8 (X = V, Mn, Fe, Co).•All compounds adopt a trigonal P3¯m1 structure and exhibit thermodynamic and mechanical...

Recent progress in wire arc additive manufacturing of magnesium alloys

•The effect of process parameters on microstructure and mechanical properties are systematically summarized.•Strengthening mechanism and unique corrosion behavior of WAAM-Mg alloys are discussed.•Optimization...

Heat treatment, tensile and creep behaviors of Mg-Gd-Y-Zr alloy by novel near-liquidus squeeze cast

•Optimized T4 and T6 regimes were developed for NSC alloys to maximize strengthening.•NSC alloy exhibits improved strengths and comparable ductility to GC and SC alloys.•The creep behavior was systematically...

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