Reduced graphene oxide/patronite composite as highly active catalyst precursors for enhancing the hydrogen desorption of MgH2
Available online 12 April 2025
•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
Available online 11 April 2025
•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
Available online 10 April 2025
•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
Available online 10 April 2025
•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
Available online 9 April 2025
•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
Available online 7 April 2025
•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
Available online 5 April 2025
•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
Available online 5 April 2025
•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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Exploring kink strengthening in WZ21 magnesium alloy via slow solidification and extrusion
Available online 5 April 2025
•Large-grained materials with MF structure are highly susceptible to kinking.•Specific grain orientations are more favorable for kinking and twinning.•Kinking greatly improves strength of material.•Texture...
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Improving kinetic modelling of magnesium hydrogenation by including interfacial polarisation and interstitial hydrogen clustering behaviour within the site availability model
Available online 4 April 2025
•Successfully modelled magnesium hydrogenation over practical temperatures and pressures.•Interfacial polarisation and interstitial hydrogen clustering are included.•Incorporates the site availability...
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Fatigue and deformation mechanisms of ultrasonic spot-welded dissimilar joints of a magnesium alloy to a clad aluminum alloy
Available online 4 April 2025
•Alclad 2024 Al alloy is successfully spot-welded to ZEK100 Mg alloy.•Optimal interdiffusion between Mg alloy and softer clad Al layer occurs at 1000 J.•Superior tensile lap shear strength is achieved...
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Significant improvement of Jc and flux pinning force of MgB2 by doping NTE-ZrW2O8 particles
Available online 3 April 2025
•ZrW2O8 doped MgB2 was firstly synthesized with solid-state reaction method.•ZrW2O8 doping significantly enhances Jc of MgB2 by inducing thermal strains.•Best Jc@(4.2 K,5T) of doped sample is 4.1 ×...
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Low-energy and accelerated hydrogen release from MgH2–5 wt% NaTiOxH catalyzed hydrogen storage reactor by graphite responsive microwave
Available online 2 April 2025
•Graphite responsive MW-assisted heating combined with NaTiOxH catalyst is proposed for MgH2.•A multi-physics model of NaTiOxH catalyzed MgH2 reactor coupled with MW heating is developed.•MW heating...
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Exploring the degradation behavior of biodegradable metals (Mg, Zn, and Fe) in human duodenal fluid
Available online 2 April 2025
•The degradation behavior of Mg, Zn and Fe was investigated in human duodenal fluid (HDF).•Organics in HDF hinder the degradation of these metals in different ways.•Zn is nearly immune to degradation...
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First-principles calculations to investigate the structural, elastic and thermodynamic properties of full-Heusler MgXY2(X = Zn, Cd, Y = Ag, Au, Cu) compounds
Available online 2 April 2025
•MgXY2 alloys do not experience sudden hardening under applied stress conditions.•MgXY2 alloys are promising candidates for use in high-temperature applications as thermal barrier coatings.•MgXY2 alloys...
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Microstructure and mechanical properties of ZK61 magnesium alloy thin-walled cylindrical component processed by two-step forging
Available online 2 April 2025
•A magnesium alloy thin-walled cylindrical component with the thickness-changing web and the high thin-wall is successfully fabricated by two-step forging.•Microstructure and mechanical properties of...
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Structure-activity relationship on tensile properties under DRX and slip system activity of U-CVCDEed AZ31 magnesium alloy
Available online 2 April 2025
•The U-CVCDE process can significantly reduce the grain size of AZ31 magnesium alloy.•The introduction of the pre-deformation process promotes the dynamic recrystallization in the CVCDE process and...
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Making magnesium from low-grade magnesite: Experimental verification and life cycle assessment
Available online 1 April 2025
•Low-grade magnesite with a high silicon content can be used as a viable raw material for magnesium extraction, showing favorable economic potential.•The negative impact of silica in low-grade magnesite...
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Synergistic inhibition effect of fluoride and caffeiate on LAZ931 Mg alloy corrosion
Available online 1 April 2025
•Sodium fluoride (NaF) and caffeic acid (CA) enhance the corrosion resistance of LAZ931 alloy.•A dense NaMgF₃ protective layer results in the improved corrosion resistance.•The synergistic inhibition...
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Exploring the impact of multiple parameter combinations with constant heat input on weld integrity of Mg alloy welded joints prepared by cold metal transfer technology
Available online 1 April 2025
•Various parameter combinations were performed for welding Mg alloy thin plates based on constant heat input, which offers flexibility to meet the diverse welding requirements.•Greater melting widths...
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Research on strength-ductility and fracture behavior of ultra-fine bio-magnesium alloys via double-sided friction stir processing using liquid CO2 cooling
Available online 1 April 2025
•The strength and ductility of bio-magnesium alloys are improved by double-sided friction stir processing.•The relationship between microstructure characteristics and fracture behaviors is systematically...
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Enhancing strength at elevated temperatures via dynamic high-density mobile dislocations in Mg alloys
Available online 1 April 2025
•A new cast Mg-Y-Zn-Ho alloy was developed with an excellent elevated-temperature strength and ductility synergy.•The high-density dislocations are introduced through the interactions of dislocations...
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Synergistic deformation of bimodal-structured AZ80 Mg alloy for excellent strength-ductility synergy via regulating the heterogeneity level
Available online 1 April 2025
•Heterogeneity level of bimodal structure can be accurately regulated.•Relationship between heterogeneity level and synergistic deformation is established.•Formed HDI stress alleviates moderate heterogeneity...
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Revealing the limits of laser energy density: A study of the combined effects of process parameters on melt pool and microstructure in WE43 magnesium alloys
March 2025
•This study presents a comprehensive analysis of microstructure changes in WE43 Mg alloy after laser surface melting (LSM), examining grain morphology, orientation, size, microsegregation, and defects...
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Exploring microstructure and texture evolution in AZX311 Mg alloy under cyclic shear deformation
March 2025
•IPCS significantly increases the twin volume fraction in AZX311 Mg alloy with higher shear strain and increased cycle numbers.•Texture components are observed in all four quadrants during IPCS, unlike...
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