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ISSN: 2213-9567

Machine learning and non-thermal external fields: A dual-track paradigm for engineering high-performance of Mg-based hydrogen storage materials

•A dual-track paradigm for Mg-based hydrogen storage materials was proposed.•Machine learning can accelerate the design and screening of novel materials.•Non-thermal external fields enable efficient...

A machine learning potential for simulation the dislocation behavior of magnesium

•A broadly applicable and stable deep learning potential for research the dislocation behavior of Mg was developed by combination of 468 density functional theory calculated data and machine learning...

Effect of magnesium fluoride catalysis on the vacuum reducing properties of magnesium oxide

•A new green and efficient process is proposed for the MgF₂-catalysed MgO vacuum carbothermal reduction for magnesium smelting.•The conditions of the MgO vacuum carbothermal reduction reaction and the...

Refinement of Mg2Si in Mg-Al-Si alloys through Ca and Y additions: A novel core-shell structure evolution mechanism and enhanced mechanical properties

•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...

In-situ study of deformation and failure mechanics of Mg/Al laminates

•Strain localization occurs in Mg, while the Al exhibits more uniform deformation.•The Al layer shows higher void density compared to that of the Mg layer.•The local strain concentration in the Mg layer...

Research progress on hot tearing of magnesium alloys: Based on nucleation, propagation and feeding

•Systematically concluding the key factors influencing the nucleation, propagation and feeding of hot tearing.•Comprehensively reviewing the theories, criteria and research methods by focusing on the...

Overcoming geometric embrittlement in Mg–Li foils through grain refinement and grain-boundary–mediated deformation

•Geometric embrittlement scales with thickness/grain-size ratio.•HRDSR refines grains, enabling grain-boundary–mediated plasticity.•Strain-rate sensitivity and V* confirm GBS-controlled deformation.•Deformation...

Structural and defect engineering of Pt-loaded MAX fibers with oxygen vacancies for enhanced hydrogen storage properties of MgH2

•Pt-loaded MAX fibers (Pt@MFs) with oxygen vacancies are successfully synthesized using vortex and hydrothermal methods.•The hydrogen release of MgH2–10 wt % Pt@MFs occurs at 169.3 °C, and the hydrogen...

A novel approach to simultaneously enhancing the mechanical properties and thermal conductivity of magnesium alloys: Heterogeneous microstructures

•Tensile strength (221 MPa) and thermal conductivity (113.8 W/(m·K)) synergy Mg-Zn-Cu-Zr alloy was successfully fabricated.•A heterogeneous microstructure was obtained via semi-solid rheo-diecasting.•The...

Extruded Mg97.37Zn1.88Y0.75 alloy with both high thermal conductivity and mechanical strength

•The Mg97.37Zn1.88Y0.75 (at%) alloy simultaneously possessing high thermal conductivity (131 Wm-1K-1), high tensile yield strength (361 MPa), and notable elongation (9.7 %) was developed.•Regardless...

A computational-experimental framework for hydrogen storage performance: The role of microstructure optimization in Mg-based alloy

•Microstructural engineering can, lead to enhancement in hydrogen storage performance.•The effects of ultrafine grain formation and microcracks on hydrogen absorption was studied.•A kinetic analysis...

Manufacturing-driven biocorrosion differences in the Mg-1Ca-0.5Zn-0.1Y-0.03Mn (at.%) alloy: An integrated in vitro and short-term in vivo evaluation

•RSRC alloy shows a refined, homogeneous microstructure with evenly distributed precipitates.•RSRC alloy shows lower corrosion rates and pH/osmolality shifts than IM and pure Mg.•Cytotoxicity tests...

High pressure die casting (HPDC) tool design & process considerations for a mega-sized magnesium lift gate

•Summary of the development of the design, manufacturing and validation of the largest magnesium alloy liftgate produced to date.•Principles and best practices utilized in thin-walled tool design.•CFD...

Effect of Ca content in Mg melt on dealloying kinetics and microstructural evolution of Mg–Ti composites fabricated via liquid metal dealloying

•Ca content (1–10 wt.%) in the Mg melt accelerates Ti–Cu precursor dealloying.•Dealloying completion time shortens from 40 min (1Ca) to 20 min (10Ca).•Higher Ca leads to the formation of finer, more...

Core-shell FeCoNiCrCu/Fe2O3@C catalyst via cocktail effect for superior low-temperature hydrogen absorption kinetics and cycling stability of MgH2

•A novel core-shell FeCoNiCrCu/Fe2O3@C is synthesized as the stable catalyst of MgH2.•The catalyst enables outstanding low-temperature hydrogen absorption kinetics and cycling stability of MgH2.•The...

Recent advancements in MgB2 superconducting joints technology for next-gen liquid helium free MRI system in persistent mode

•The potential of liquid-helium-free magnetic resonance imaging magnets made of MgB2 is discussed.•Recent advancements in MgB2 superconducting joints manufacturing technologies are reviewed.•Challenges...

Mechanical properties and corrosion study of Mg-8Zn-0.5Zr magnesium matrix composites reinforced by nano-Al modified Ti particles

•Compared to the ZK80 , the YS, UTS, and EL of the Al@TiP/ZK80 composites were enhanced by 17%, 12%, and 23%, respectively, successfully achieving a synergistic optimization of strength and plasticity.•The...

Heat treatment effects on microstructure, deformation mechanisms and mechanical response in additive friction stir deposited Mg-Gd-Y-Zr alloy

•AFSD Mg-Gd-Y-Zr alloy exhibits heterogeneous onion-ring microstructure.•The onion-ring microstructure showed alternating fine and coarse grains.•T6 treatment modified the heterogeneous grain structures.•Both...

Yttrium microalloying enhances the corrosion resistance of a dilute Mg-Zn-Ca alloy by mitigating the detrimental effects of Si impurity and pitting

•The addition of 0.2 wt.% Y transforms the CaMgSi phase in the dilute Mg–Zn–Ca alloy into a newly identified Y2MgSi2 phase with a lower electrochemical potential.•Y microalloying drives the establishment...

Deformation of wire-arc additively manufactured magnesium alloy under uniaxial tension: In situ synchrotron X-ray diffraction and tomography study

•In situ synchrotron X-ray techniques reveal WAAM Mg alloy deformation dynamics.•In situ multi-scale measurements reveal the alloys weak anisotropy and twin evolution.•In situ 3D imaging shows voids...

Crystal-amorphous interface synergy in Ni/CrV-mixed metal oxide: A strategy for rapid hydrogen uptake/release in magnesium hydride

•The electronic structure and surface activity of Ni/CrV-MMO are optimized.•The onset desorption temperature of MgH2Ni/CrV-MMO is reduced to 190 °C.•The apparent activation energy of MgH2 decreases...

Regeneration of metallic magnesium from magnesium slag through a synergistic vacuum carbothermal reduction and CaF2 catalytic strategy

•A new method for the synergistic regeneration of metallic magnesium from magnesium slag through vacuum carbothermal reduction coupled with CaF2 catalysis has been proposed for the first time.•Fully...

Progress in creep-resistant RE-containing Mg-Al alloys: From micro-mechanisms and composition design to structure-property relationships

•Systematically reviews creep behaviors and strengthening mechanisms of Mg-Al-RE alloys.•Critically analyzes the effects of RE elements on microstructure and creep resistance.•Highlights composition...

Insights into the texture-dependent strain hardening mechanisms of conform-processed AZ31 Mg alloys: Experimental investigations and VPSC modeling

•Conform extrusion drives texture reconstruction and dynamic recrystallization, forming a tilted fiber texture with improved orientation dispersion.•In-situ EBSD reveals pronounced enhancement of slip...

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