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ISSN: 2213-9567

Interpretable machine learning design for concurrent and significant enhancement of the mechanical properties and corrosion resistance of low-density Mg-Li alloys

•An interpretable machine learning strategy was developed to guide the design of low-density Mg-Li alloys.•Clarify the key intrinsic factors affecting the ultimate tensile strength, elongation, and...

Fabrication of high-density twins and precipitates in a rare-earth magnesium alloy with superior work hardening and ultimate strength

•A strong and ductile WE43 alloy with fine grain structure and high-density precipitates were fabricated.•The substantial grain refinement is attributed to the formation of abundant deformation twins...

Indexation of coordinated bursts of plasticity in Mg-4Zn via high-energy X-rays

•Intermittent plasticity bursts of 33 embedded grains are studied for a Mg-Zn alloy.•The magnitude and frequency of these bursts are quantified.•69 % of the bursts are coordinated with events in nearby...

Tension-compression asymmetry of an AM magnesium alloy unveiled by in-situ synchrotron X-ray diffraction

•This study systematically compares the deformation modes during both tension and compression in magnesium alloys using in situ synchrotron X-ray diffraction.•Extrusion texture governs slip and twinning...

Unraveling the effect of Zn and Ca additions on tensile properties and bendability of a new formable Mg-Al-Mn alloy sheet

•AM and AZXM alloy sheets with weak texture and similar grain size were fabricated.•Both the sheets exhibited similar ductility and bendability.•AZXM alloy sheet showed large work-hardening.•AZXM alloy...

Turning shortcomings into advantages: The beauty of magnesium in orthopedic applications

•Magnesium (Mg)-based biomaterials transform inherent limitations into therapeutic advantages for orthopedic regeneration.•The multiple degradation products of Mg-based materials promote functional...

Research advances of magnesium and magnesium alloys globally in 2024

•This paper reviews research progress in multiple fields of Mg alloys for 2024, including cast Mg alloys, wrought Mg alloys, corrosion-resistant Mg alloys, hydrogen storage Mg alloys, Mg batteries,...

A dissimilar laser welding joint of magnesium alloys AZ80 and AM60: Microstructure analysis and mechanical behavior

•Investigated microstructure and tensile behavior of laser-welded AZ80–AM60 joint.•Fusion zone exhibited coarse grains but maintained high work-hardening capability.•Strain localized first in the fusion...

P-type LiyNi1-x-yMgxO: A promising ultrawide bandgap semiconductor for Ga2O3 power devices applications

•Ultrawide bandgap p-type LiyNi1-x-yMgxO thin films were successfully demonstrated for power device integration.•The optical bandgap was tunable from 4.27 eV to 5.44 eV by adjusting the Mg fraction...

Slip transfer, slip blocking and slip-to-twin transfer at grain boundaries in a WE43 Mg alloy

•Slip transfer/blocking in WE Mg alloy was analyzed by means of 2D (EBSD, ST-MLRA) and 3D (DCT) experimental techniques.•Slip transfer events were tightly gathered in the high-compatibility region where...

Effects of Ti reinforced particles on mechanical properties and wear properties of Mg-9Gd-4Y-2Mn-1Zn composites

•A new RAre-earth Mg alloy Mg-9Gd-4Y-2Mn-1Zn was prepared by hot extrusion with Ti particles.•By adding Ti particles, the non-recrystallization area in the original matrix alloy was improved, and the...

Regulating elevated-temperature Portevin-Le Chatelier effect in wire-arc directed energy deposited GW102K Mg alloy through heat treatment

•This work first investigates tensile properties and deformation behavior of WA-DED Mg-Gd-Y-Zr alloy at elevated temperatures.•The Portevin-Le Chatelier (PLC) effect severity depends on tensile temperature...

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...

Constructing ultra-thin magnesium foil by electrolysis as a stable and high-utilization negative electrode for rechargeable magnesium battery

•Ultra-thin Mg foils (∼15 μm) were successfully fabricated via electrolysis.•Electrolytic Mg on Mo shows more uniform deposition and lower roughness.•The nucleation and growth mechanism of Mg on Mo...

Fe modified Ca-Mg-P coating with synergistic antibacterial, photothermal and osteogenic properties on magnesium alloys

•The Ca-Mg-P/Fe coating has good antibacterial and corrosion resistance properties.•The Ca-Mg-P/Fe coating has excellent photothermal conversion ability.•The Ca-Mg-P/Fe coating has a greater work function...

Single-roll melt spinning of magnesium/aluminum clad ribbon for battery applications: Experiments and modeling

•Single-roll melt spinning of magnesium/aluminum clad ribbon for battery applications.•Base metal first contact; merged melt forms cladding; back-scatter observed.•Two-phase diffusion layer; surface...

Comparison of the insertion-extraction of Ca and Mg ions in amorphous CaMn2O4 post-spinel-based cathodes in aqueous media

•Calcium manganese oxide (CMO) can be used as a cathode for Mg and Ca ion batteries.•Mg ions insert more efficiently in CMO than Ca ions.•Better CMO capacity and cyclability for Mg than for Ca electrolytes.•Cation...

Research progress and application prospects of die cast magnesium alloys

•Applications for die cast Mg alloys have been reducing in recent years.•There are potential new applications in electric vehicles and giga-casting.•Alloy design principles including eutectics with...

Tailoring bimodal grain structure to achieve simultaneous improvement of strength and ductility in magnesium alloys at cryogenic temperatures

•Bimodal grain structure enables a superior strength-ductility synergy in Mg-3.6Y alloys at CT, with ∼50 % DRXed region fraction increasing the TYS by 1.6 times and reducing fracture elongation by only...

Integrated process-structure–property–performance optimization of cold-sprayed zinc coatings on AZ91 magnesium alloy

•An optimum range of cold spray parameters was identified for cold spray depositing Zn on AZ91.•This optimum range resulted in ∼200 µm/pass deposition, <0.5 % porosity, greater than 30 MPa adhesion...

Insights of stearic acid/polypyrrole superhydrophobic coating on controlling corrosion, antibacterial and cytocompatibility of biodegradable Mg alloy and its implication on fracture fixation

•Stearic acid treated polypyrrole coating develops a superhydrophobic surface, which enhanced corrosion protection efficacy by more than 85 %.•Improved corrosion properties of the coated specimen leads...

Investigation of the compressive deformation mechanisms in Mg-Gd-Y strengthened bimetallic composite rods

•The AZ31/Mg-Gd-Y composite rod has a good metallurgical bond.•The high dislocation density in the interface region favors non-basal slip activation.•The nucleation and growth of {10-12} twins in A/G-AZ31...

Lightweight design and manufacture of die casting magnesium alloy seat frame

•A novel structure was designed that integrates the headrest with the backrest, combining lightness and safety.•Development of a new forward production logic for Mg seat castings.•Actual production...

From LLM to Agent: A large-language-model-driven machine learning framework for catalyst design of MgH2 dehydrogenation

•AI framework automates MgH2 catalyst data extraction from literature.•LLM to Agent approach accelerates MgH2 catalyst discovery and design.•Machine learning predicts MgH2 dehydrogenation with high...

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...

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