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ISSN: 2213-9567

Crack initiation behavior of extruded Mg-Gd-Y-Zn-Zr alloy containing long-period stacking ordered lamellae under very high cycle fatigue at high temperature

•Extruded Mg-RE alloy shows superior very high cycle fatigue resistance at 150 °C.•Crack initiation shifts from basal slip to prismatic slip and twinning at HT.•Dense ZnO layer and uniform plasticity...

Improvement in corrosion resistance of magnesium weld by addition of carbon nanotubes

•The addition of CNTs improves the corrosion resistance of weld.•The corrosion rates of hydrogen evolution decreases by 30% after adding CNTs.•The corrosion current density decreases by 50% after adding...

Data-driven corrosion assessment of magnesium alloys: A multi-level graph attention network for quantitative hydrogen-evolution prediction

•MGAT pioneers end-to-end mapping from Mg microstructure to H₂ evolution curves.•Zero-shot prediction of 0–100 h corrosion kinetics for new alloys, R² > 0.90.•Resistivity, density & phase fraction identified...

In situ self-generation and joint strengthening mechanisms of low melting point layered Mg-Zn filler

•A filler was designed and prepared to achieve the high strength joining of Mg alloy brazed joints at low temperatures.•The α'-Mg/Mg7Zn3 (MgZn2) soft-hard biphasic heterogeneous structure formed during...

Synergistic enhancement of strength and ductility in Mg-7Sn alloy through combined optimization of dual-texture and low-angle grain boundary structures

•The Mg-7Sn alloy exhibiting an excellent strength-ductility balance (σ0.2 = 235 MPa, σb = 315 MPa and εf = 16.8%) is successfully fabricated through a composite processing route involving warm extrusion...

Revealing the dynamic recrystallization and deformation instability of TiC reinforced AZ61 composites with uniform structure and bimodal grain structure

•The bimodal composite has a higher Q value and larger instability region.•The CDRX mechanism dominates the uniform composite, while both CDRX and DDRX mechanisms dominate the bimodal composite.•At...

The corrosion fatigue behavior of magnesium alloy influenced by corrosion inhibitors with the differentiated inhibition mechanisms

•The influences of three corrosion inhibitors with different action mechanisms on the corrosion fatigue behavior of Mg alloys were studied.•The relationship between the static corrosion and fatigue...

Research on the stress corrosion cracking behavior of ZK60 magnesium alloy enhanced by multi-directional compression process

•MDC refines ZK60 grain size by 2.5 times and enhances strength-corrosion resistance synergy.•MDC reduces corrosion rate by 88.6% and SCC susceptibility by 14.7% (ε-related) and 17.5% (UTS- related).•Dense...

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...

Laser rapidly fabricated amorphous/crystalline Mg-Zn-Ca biodegradable alloys: hetero-structure, corrosion behavior and antibacterial effect

•A near-fully dense part with a heterogeneous microstructure was fabricated by LPBF.•It consisted primarily of amorphous matrix (>80%) with a few of nanocrystalline phases.•Dense Zn-rich corrosion product...

Achieving the coexistence of multiple strengthening mechanisms in a dual-phase Mg-Li via rapid solidification

•Innovatively employed rapid solidification to fabricate dual-phase Mg-Li alloys with high strength and tunable uniform elongation.•Rapid solidification enables concurrent refinement of grain size and...

The corrosion resistance, discharge performance and mechanical properties of 1200 mm AZ31 Mg wide sheets produced by coupled continuous casting–rolling and warm rolling

•Wide AZ31 Mg alloy sheets were fabricated by continuous casting direct rolling combined with warm rolling.•Rolling-induced grain refinement improved tensile strength, ductility, and strain uniformity.•A...

Achieving strength-ductility synergy in Mg-Nd-Zn-Zr alloy fabricated by wire-arc directed energy deposition: La element addition via redox reaction of La2O3 and Mg

•The La element was incorporated by a redox reaction of La2O3 and Mg.•The strength-ductility synergy of the alloys was further enhanced.•The β1 phases precipitated at the γ1/Mg interfaces.•Dislocation...

NIR/TME-responsive release of zoledronic acid-loaded LDHs on ZE21C magnesium alloy with multi-therapy for osteosarcoma

•The LDH-ZA/PDA multi-composite coating designed on ZE21C magnesium alloys combines three functions: corrosion resistance, controlled drug release for antitumor treatment, and osteogenesis.•The composite...

High strength-ductility synergy achieved in low-alloyed Mg alloys via hyper-substructure introduction through upsetting-assisted asymmetric extrusion

•Novel upsetting-assisted asymmetric extrusion achieves YS ∼266.5 MPa and EL ∼27.6% in a low-alloyed magnesium at ∼0.34 upsetting strain.•Controlled thermomechanical processing introduces a novel Hyper-substructure...

Local mechanical behavior and enhanced ductility of ultrastrongly textured AM50 rods processed via constrained friction processing

•The local mechanical behavior of rods produced by the novel Constrained Friction Processing was investigated.•Each ultrastrong local textures of AM50 rods are associated with particular major deformation...

Synergistic improvement of corrosion-strength of Mg-Zn-Ca-Sn dilute alloys by adjusting the Sn/Ca atomic ratio

•The influence of the Sn/Ca atomic ratio variation on the microstructure and properties of Mg-1Zn-xCa-ySn alloys was systematically studied.•The Mg-1Zn-xCa-ySn alloys with superior strength-corrosion...

Synergistic improvement of strength and ductility in graphene nanoplatelets/Mg-14Li-1Al composites via heterogeneous phase regulation

•GNPs/LA141 composites with high strength and high plasticity are successfully fabricated by utilizing the accumulative roll bonding and friction stir processing.•The α-Mg/β-Li phase structure with...

Advances toward self-healing coatings on Mg alloys for active corrosion protection

•Self-healing coating promoted passive protection transformed into active protection.•Loading and releasing of corrosion inhibitors were paramount for self-healing coatings on Mg alloys.•Three representative...

Magnesium for hydrogen energy: Prospects and challenges

Image, graphical abstract...

New insights into combined thermal and vibration softening of magnesium alloy in rotational vibration assisted incremental sheet forming

•Modelling thermal and vibration effects in complex deformation of RV-ISF.•Decoupling and understanding individual contributions of different softening effects.•Investigating microstructure evolution...

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...

Recent advances in magnesium and magnesium alloys for next-generation high-energy-density lithium rechargeable batteries

•We focus on the recent development of Mg-based alloys for Li metal batteries.•Various strategies for synthesizing Mg alloy system-based Li anodes are discussed.•Perspectives for designing an advanced...

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...

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