Recent Articles

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ISSN: 2213-9567

Deformation behavior and strengthening mechanism of a gradient nanostructured WE43 Mg alloy

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Tailoring microstructure and strength-ductility synergy in AZ91D/ZrO₂ magnesium matrix composite by dual eccentric-pin tool friction stir processing

•Dual eccentric-pin tool (DEPT) FSP was employed to incorporate ZrO2 particles AZ91D Mg alloy.•Enhanced twin formation and dislocation distribution.•Transition from basal to prismatic texture.•Strength-ductility...

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...

Effect of pre-autoclaving treatment on volume stability and compressive strength of carbonated magnesium slag

•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...

Synergistic optimization of efficiency-microstructure-performance in wire-arc additive manufacturing of AZ31 magnesium alloy

•An optimization framework for wire-arc additive manufacturing was proposed to produce high-performance magnesium alloys under high-efficiency conditions.•analyzing the impact of process parameters...

Role of Ca content on microstructure, mechanical properties and strain evolution of as-rolled Mg-Al-Ca-Zn-Mn alloy

•Cost-effective and high-strength Mg-8Al-1Ca-1Zn-0.4Mn (wt.%) alloy sheet with ultimate tensile strength (393 MPa) and moderate ductility (8.7%) was successfully fabricated by adjusting the rolling...

Preparation of multifunctional composite coating on magnesium alloys with corrosion resistance, conductivity and antibacterial properties

•This study introduces a novel composite coating for EW75, integrating silver-copper alloy and graphite powders to enhance functionality.•The coatings significantly improve corrosion resistance, electrical...

Microstructure evolution and strengthening mechanism of electron beam welded dual-phase Mg-8Li-3Al-2Zn-0.5Y alloy

•Nearly undamaged joints of electron beam welded Mg-8Li-3Al-2Zn-0.5Y alloy were achieved.•Microstructure, phase composition and mechanical properties of the joints were characterized.•Microstructure...

Dynamic recrystallization and strengthening mechanisms in a magnesium alloy processed by severe plastic deformation

•At the early stages of deformation, LAGBs and HAGBs developed through DRV and CDRX, respectively. At higher strains, the density of HAGBs increased through DDRX.•CDRX grains of “GB-type” in the vicinity...

Self-healing coatings on Mg-Li alloy using pH-responsive sepiolite microcontainer loaded with corrosion inhibitors

•A novel corrosion protection strategy for Mg-Li alloy is proposed.•pH-responsive functionalized sepiolite microcontainers are prepared.•Cerium ions and barbituric acid are encapsulated via ion exchange...

Enhanced corrosion resistance of AZ31 magnesium alloys through the use of high-purity raw magnesium

•Comprehensively reducing impurity contents and uneven distribution was achieved via using higher purity-level raw magnesium (4N vs. 3 N) in the preparation of AZ31 magnesium alloys.•The alloy fabricated...

Effect of surface nanocrystallization on microstructure, mechanical property and corrosion resistance of Mg and its alloys: A perspective review

Magnesium (Mg) and its alloys, as the lowest density metallic structural alloys, have been widely employed across various industries, including electronic communication, automotive, aircraft, defense,...

Evaluation of MgO solubility in MgF2 – LiF and MgF2 – LiF – MF2 (M = Ca, Ba) at 1053–1203 K

•MgO solubility in MgF2 – LiF-based molten salts was systematically measured.•Electrolytic O²⁻ removal lowered O in salt to below 88 ppm for precise measurement.•At 1053 K, MgO solubility in (MgF2 –...

Breaking strength-ductility trade-off in magnesium alloy by semi-solid extrusion process: Multi-slip activation in “Bimodal Grain”

•The first combination of semi-solid rheo-forming and extrusion processes for the fabrication of high-strength and high-plasticity magnesium alloys.•A bimodal microstructure characterized by high-density...

Recent progress and perspectives in fusion welding of Mg-RE alloys: From weldability fundamentals to process-microstructure correlation

•RE effects on the weldability of Mg alloys are systematically summarized.•Various fusion welding methods applicable to Mg-RE alloys are compared.•FZ of Mg-RE alloys shows lower microstructural stability...

Impactful amelioration on the thermodynamics and kinetics of the RE-Mg-Ni-based alloys by melt spinning-crystallization annealing

•Synergistic alloying design: A Mg90La2Y2Ni6 alloy was developed by incorporating Ni with rare-earth elements (La, Y), simultaneously enhancing hydrogen storage capacity and glass-forming ability.•Microstructural...

Rapid Ca-P mineralization on spark-tuned Mg alloys for enhanced corrosion resistance and biocompatibility in-vitro and in-vivo

•Spark treatment induces complex surface with enhanced topological features.•Dense apatite mineralization on LDR-Mg suppresses Mg2+ leaching, limiting degradation.•LDR-Mg shows minimum HER and stable...

Calcium phosphate and ion-substituted coatings for resorbable magnesium-based bone implants: A review

•A review of coating technologies and deposition techniques is provided.•Key focus on calcium phosphate and ion-substituted coatings for resorbable Mg alloys.•A clinical perspective on resorbable metals...

The influence of alloying on recrystallization behavior and texture development of Mg-(Ca, Zn) alloys

•Zn addition in Mg resulted in activation of extension and double twinning that resulted in a strong deformation texture.•Ca addition in Mg resulted in the activation of multiple twinning systems that...

High strain rate deformation and spall damage in a Mg-Ag-Nd-Zr alloy: Effects of δ/γ precipitates

•The influence of micron-scale γ and nano-scale δ precipitates on impact response is evaluated.•δ precipitates improve dynamic yield strength and spall strength.•Various twinning systems are activated...

Mapping the strain-localization evolution of grain boundary and its interactions with slip/twin at the microscale

•Strain localization at GBs and its governing factors were studied using HRDIC.•Only ∼10 % of GBs were categorized as extremely-high-strain GBs at 3 % applied strain.•Most (∼84 %) of the extremely-high-strain...

Interfacial microstructure and mechanical properties of diffusion-bonded Mg-4Y-3RE magnesium alloy

•Shear strength of 179.9 ± 3.9 MPa and bonding ratio of 94.14 % is achieved.•Superior joint results from recrystallization, precipitates and elemental diffusion.•Strength further increases to highest...

From protection to failure: Oxidation of pure Mg and rare-earth-enhanced Mg alloys at elevated temperature

•Pure Mg exhibits a transient protective MgO layer before catastrophic oxidation failure.•Failure of pure Mg is driven by Mg vapor pressure and stress-induced crack networks.•Rare earth elements promote...

Human oral microbiome interactions with magnesium implants

•Human oral microbiome corrodes biomineralized layers on magnesium (Mg) implants.•Organic matrix forms a diffusion-limiting film, slowing electrochemical corrosion.•Saliva and organic matrix buffer...

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