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ISSN: 2213-9567

Inhibiting creep in fine-grained MgAl alloys through grain boundary stabilization

•DP-induced grain coarsening is responsible for the GB instability in the intermediate-temperature creep of wrought MgAl alloys.•The GB co-segregation improves the resistance to creep in wrought MgAl...

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Analysis of deformation mechanisms in magnesium single crystals using a dedicated four-point bending tester

•Displacement and maximum bending stress are higher in 〈101‾0〉 than in 〈11‾20〉.•In the compression side of 〈101‾0〉, basal slip activates after primary and secondary twins (T1 and T2) deformation.•In...

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Influence of single-pass caliber rolling on the microstructural evolution and mechanical properties of Mg10Gd binary alloy

•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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Catalytic effect of carbon-supported NiCoFeCuMg high-entropy alloy nanocatalysts on hydrogen storage properties of MgH2

•A novel cost-effective approach of nanosized NiCoFeCuMg HEA@C catalysts was proposed.•MgH2+NiCoFeCuMg@C composite has excellent hydrogen absorption/desorption performances.•The in-situ formed Mg2Ni(Cu)/Mg2Ni(Cu)H4...

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Preparation of the high compressive performance special-shaped Csf/AZ91D composite part using the liquid-solid extrusion following vacuum pressure infiltration process

•A special-shaped Csf/AZ91D composite part with a high fiber volume fraction of 23.0% was firstly prepared by the LSEVI process.•The desired configuration features were directly formed, in the way of...

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Crystalline@amorphous core-shell structure of WO3@WO3-xSx established via doping strategy for enhancing magnesium ions storage performance

•Crystalline@amorphous core-shell structure of WO3@WO3-xSx is constructed by S doping.•Crystalline@amorphous core-shell structure contains both active core and active shell.•Amorphous shell provide...

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Enhanced electrochemical and photocatalytic performance achieved through dual incorporation of SnO2 and WO3 nanoparticles into LDH layer fabricated on PEO-coated AZ31 Mg alloy

•LDH flakes provided efficient sealing of the porous layer, thereby improving durability.•SnO2 and WO3 were incorporated simultaneously in LDH flakes under hydrothermal conditions.•LDH-SnO2-WO3 exhibited...

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Challenges and opportunities in the production of magnesium parts by directed energy deposition processes

•The progress made in the application of DED technology to Mg-alloys has been evaluated.•The predominant imperfections, notably inhomogeneous microstructure evolution, and porosity, observed in Mg-alloy...

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Effects of metal ion implantation (Fe, Ti, Zn and Zr) on mechanical properties, corrosion resistance and biocompatibility of WE43 Mg alloy

•The ion implantation of Fe, Ti, Zn and Zr on WE43 is compared for the first time.•The WE43 forms a surface layer consisting of implanted elements and their oxides.•The implantation of Ti and Zr ions...

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Very high cycle fatigue resistance improvement of Mg-Gd-Zn-Zr alloy by introducing curved long-period stacking ordered lamellae

•An extruded Mg-RE alloy with exceptional very high cycle fatigue resistance is designed.•The texture formed by extrusion increases the threshold for crack initiation.•Cracks impeded by curved long-period...

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MnS/MnO heterostructures with dual ion defects for high-performance aqueous magnesium ion capacitors

•Developed MnS/MnO heterostructures with dual ion defects and achieved its application in AMICs.•Introduced a dual energy storage mechanism for Mg2+ insertion/deinsertion.•DID-MnS/MnO enhances conductivity,...

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First-principles investigation of adhesion strength and interfacial bonding in Mg/X (X = Ti, Zr, Hf, V, Nd, Cr, Mo, Mn, and Fe) interface

Image, graphical abstract...

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Room and cryogenic deformation behavior of AZ61 and AZ61-xCaO (x = 0.5, 1 wt.%) alloy

•Room and cryogenic deformation behavior of AZ61 and AZ61-CaO alloys was investigated.•IGMA analysis showed the higher prismatic slip activity in AZ61-CaO alloys.•Numerus twins and twin-twin interactions...

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Microstructure evolution and mechanical properties of large-size AZ31 magnesium alloy block fabricated by wire arc additive manufacturing

•The WAAM-processed AZ31 block exhibits a fully equiaxed grain morphology.•The Al8Mn5 in the AZ31 block acts as the heterogeneous nucleation core of Mg17Al12.•The electromagnetic stirring effect during...

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Developing a novel Mg2Zn3Li1Gd alloy sheet with high room-temperature formability by introducing an elliptical texture distribution

•A novel elliptical-texture distribution was achieved in a Mg2Zn3Li1Gd alloy.•The formation mechanism of the unusual texture distribution was studied deeply.•The slip activities in this sheet during...

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The interface structure and property of magnesium matrix composites: A review

•The interface structures and various bonding mechanisms in Mg matrix composites are comprehensively reviewed.•The interface mechanical properties and evaluate methods are introduced.•The mechanisms...

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The growth behavior and performance of microarc oxidation coating on AZ91/Ti composite: Influence of Ti-reinforcement phase and electrolyte

•The incorporation of the Ti-reinforcement phase led to a retardation in the onset of micro-arc discharge in AZ91/Ti composites.•The morphology of the MAO coating on AZ91/Ti composites was significantly...

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Designing multivalent NiMn-based layered nanosheets with high specific surface area and abundant active sites for solid-state hydrogen storage in magnesium hydride

•2D NiMn-LDH and NiMn-LMO were successfully fabricated by hydrothermal and annealing.•The hydrogen storage performance of LMO-modified MgH2 was significantly enhanced.•Mg2Ni/Mg2NiH4 and multivalent...

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Unusual twin induced recrystallization and corresponding texture optimization in a cold rolled Mg-Gd-Zr alloy during annealing

•Evolution of {11–21} twins in magnesium alloys during annealing is systemically analyzed.•Twin induced SRX widely operate within {10–12} and {11–21} extension twins but absent in most compression/double...

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A novel carbon-induced-porosity mechanism for improved cycling stability of magnesium hydride

•Ni nanoparticles dispersed inside amorphous carbon (Ni/C) are synthesized.•MgH2Ni/C has a capacity of 6.01 wt% (98.8 % initial capacity) after 50 cycles.•Particle sintering is the primary factor for...

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Simultaneously improving thermal conductivity, mechanical properties and metal fluidity through Cu alloying in Mg-Zn-based alloys

•Cu significantly improves thermal conductivity of Mg-5Zn alloy.•Cu simultaneously enhances strength and ductility of the Mg-5Zn alloy.•Cu effectively raises metal fluidity of Mg-5Zn alloy.•Mg-5Zn-4Cu...

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Microstructure evolution and corrosion behavior of TIG welded joint of a new MgGdNdZnZr alloy during post-weld heat treatment

•TIG welded joint of a new MgGdNd alloy is fabricated by pulse current.•Corrosion resistance of the joint is highly improved after heat treatments.•The composition and structure of the corrosion product...

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Unexpected texture transition induced by grain growth during static annealing of a dilute Mg-1Al alloy

•The “〈101¯0〉” texture component is triggered in a Mg-1Al alloy during annealing.•Grain orientations with 20°−45° from ND are induced by shear bands.•Grains belonging to 〈101¯0〉 texture component exhibit...

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Interfacial chemistry of anode/electrolyte interface for rechargeable magnesium batteries

•The key Mg/electrolyte interfacial issues in RMBs are proposed.•Advanced strategies for optimizing Mg/electrolyte interphase are summarized.•The perspectives for designing an idea Mg/electrolyte interface...

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