From macro-, through meso- to micro-scale: Densification behavior, deformation response and microstructural evolution of selective laser melted Mg-RE alloy
Available online 17 January 2025
•Densification of SLM Mg-RE alloy was affected by laser input from conduction to keyhole mode.•2 VPSC proves that deformation of SLM Mg-RE alloy was governed by the basal and prismatic slips.•Precipitation...
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Surface properties of friction stir welded dissimilar joints of AA7075 and Mg-WE43 alloys: Effect of positional arrangement
Available online 14 January 2025
•The average grain size of the al/mg joint is reduced from 4.11 to 2.04 µm.•The wear rate decreased from 0.41 mm³/Nm to 0.27 mm³/Nm.•The corrosion resistance is improved from 77.59 to 56.299 mpy.•The...
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Degradation characteristics of high-purity magnesium implants under single static and cyclic compressive loads in vivo and in vitro
Available online 14 January 2025
•A novel loading device for applying single static or cyclic loads in vivo.•Mg implants degrade notably faster in vivo than in vitro under compressive loads.•Internal crack propagation under loads in...
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Mechanistic switch in corrosion behavior of magnesium alloy diamond lattice structures induced by argon plasma treatment
Available online 14 January 2025
•Argon plasma induces mechanistic switch in corrosion of Mg alloy lattice structures.•Protective MgO/Mg(OH)2/MgCO3 layer forms: 1 to 2 nm carbonate over 4.7 nm oxide/hydroxide.•Plasma increases surface...
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Optimization of corrosion resistance of AZ31 Mg alloy through hydration-driven interaction between quinolin-8-ol and plasma electrolytic oxidation-formed MgO layer
Available online 14 January 2025
•Hydration of the MgO layer promoted the complexation with 8HQ reaction.•Flake structure of the coating layer is obtained due to a reaction between Mg(OH)2 and 8HQ.•Formation of stable coordination...
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Enhanced high-temperature strength of a Mg-4Sn-3Al-1 Zn alloy with good thermal stability via Mg2Sn precipitation
Available online 14 January 2025
•Pronounced Mg2Sn precipitation hardening shows excellent stability in ageing.•Basal Mg2Sn precipitates enhance high-temperature strength.•These precipitates effectively hinder non-basal slip systems,...
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Magnesium is at a crossroads: An industrial metal or a technology metal?
Available online 13 January 2025
•Magnesium as an industrial metal.•Magnesium as a technology metal.•Magnesium should be developed for both an industrial metal and a technology metal....
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Effect of Al segregation on dislocation transmutation across {101¯2} twin boundaries in Mg: An atomistic simulation study
Available online 9 January 2025
•The Al segregation at {1¯012} twin boundaries in Mg facilitates the transition of the twin-slip interaction behavior from twinning to 〈a〉 → 〈c + a〉 transmutation.•The Al segregation hinders the mobility...
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Effect of pre-autoclaving treatment on volume stability and compressive strength of carbonated magnesium slag
Available online 4 January 2025
•Using pre-autoclaving to solve the volume stability problem of magnesium slag.•Finding pre-autoclaving at 160 °C for magnesium slag carbonation is optimal.•Specify the product types of pre-autoclaving...
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Graphene oxide supported oxygen vacancy-rich Co3O4 and Ni nanoparticle for boosting the hydrogen storage properties of MgH2
Available online 3 January 2025
•We synthesized a novel catalyst composed of Co3O4 with oxygen vacancies and Ni nanoparticles supported on graphene oxide.•Initial dehydrogenation temperature of MgH2 is significantly reduced to 165...
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Analysis of the protective behavior and mechanism of MgO-C-Mg film for crude magnesium smelting
Available online 3 January 2025
•The possible reactions in the Mg-CO2 system are analyzed, and the thermodynamic theory of the magnesium melt reaction with CO2 is clarified.•A new process is proposed to isolate the air on the surface...
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Enhanced manufacturing quality and mechanical performance of laser powder bed fused TiC/AZ91D magnesium matrix composites
Available online 3 January 2025
•High-strength TiC/AZ91D composites are manufactured by LPBF.•The TiC addition improves the forming quality of composites.•The TiC addition refines the coarse grains to fine equiaxed ones.•The strengthening...
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Strengthening/weakening effect of graphene orientation angle on mechanical properties of AZ91 magnesium matrix composites
Available online 3 January 2025
•The role of monolayer graphene with different orientation angles in composite materials was explored.•The tensile strength of AZ91/graphene composites with different orientation angles simulated by...
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Unraveling the impact of purification and alloying elements on corrosion performance and passivation of magnesium alloys
December 2024
•Passivation of Mg-based alloys is an electrochemical behavior involving the formation of a protective surface film.•The surface layer composition, influenced by the substrate alloy, affects passive...
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Review of progress on fabrication technology of Mg matrix composites
December 2024
•The progress on mainstream and novel methods for fabricating MgMCs are reviewed in four categories, and their principles are introduced in detail.•The characteristics, including advantages, disadvantages...
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Understanding activation and growth of twin variants in polycrystalline magnesium under tension and compression: An atomistic study
December 2024
•MD simulation details twinning in polycrystalline Mg under uniaxial load.•An algorithm is developed to identify twin variants in deformed polycrystal.•Three-dimensional analysis shows distinct twin...
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Fabrication and characterization of magnesium-based nanocomposites reinforced with Baghdadite and carbon nanotubes for orthopaedical applications
December 2024
•Baghdadite powder was successfully synthesized using the cell-gel method. The XRD pattern of the synthesized powder confirmed its conformity with existing standards.•A mixture of Mg/CNTs/BAG powder...
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Enhancing the room-temperature plasticity of magnesium alloys: Mechanisms and strategies
December 2024
•Low plasticity limits the applications of magnesium alloys.•Results provide a guidance for the development of high plasticity Mg alloys.•Results deepen our understanding of plastic deformation in Mg...
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The influence of Sm2O3 dopant on structure, morphology and transport critical current density of MgB2 wires investigated by using the transmission electron microscope
December 2024
•TEM images show that Sm2O3 admixture significantly changes the morphology of the MgB2 wires.•TEM images point out that Sm2O3 doping accelerates the formation of the MgB2 phase.•TEM images show that...
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Grain growth stagnation at 525 °C by nanoparticles in a solid-state additively manufactured Mg-4Y-3RE alloy
December 2024
•Grain growth stagnation at 525 °C (0.87 Tm) for 72 h in a Mg-4Y-3RE alloy was observed for the first time.•The extraordinary grain size stability is attributed to strong and long-lasting Zener pinning...
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Progress and prospects in magnesium alloy scrap recycling
December 2024
•Reviewed the complete process flows of magnesium alloy scrap recycling process, including scrap classification, sorting, pre-treatment and recycling.•Comprehensively summarized and evaluated the existing...
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Achieving ultra-high strength and ductility in a rare-earth-free magnesium alloy via precisely controlled secondary hot extrusion process with an extremely low extrusion speed
December 2024
•A precisely controlled secondary hot extrusion process with extremely low speed.•Ultrafine α-Mg grains achieved by the extremely deformation rate.•Uniform precipitation of nano-sized β-Mn particles...
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Evolution of deformation mechanisms and their orientation dependence in fine-grained Mg-3Gd during tension
December 2024
•The evolution of various dislocations and twins in a fine-grained magnesium alloy were systematically investigated during plastic deformation.•Orientation dependent slip and twinning at different deformation...
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Influence of single-pass caliber rolling on the microstructural evolution and mechanical properties of Mg10Gd binary alloy
December 2024
•Preparation of high-strength MgGd binary alloys with a maximum yield of 424 MPa.•Bimodal organization with uniform distribution of coarse and fine grains prepared by caliber rolling.•Explaining the...
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Promoting catalysis in magnesium hydride for solid-state hydrogen storage through manipulating the elements of high entropy oxides
December 2024
•Elemental modulation was achieved by replacing Cr with Cu and La to synthesize the high entropy oxides (HEOs) CrMnFeCoNiO (Cr1:1), CuMnFeCoNiO (Cu1:1) and LaMnFeCoNiO (La1:1) and thus to study the...
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