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ISSN: 2213-9567

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...

Degradation and biocompatibility of Mg-Dy-Zn alloys containing the LPSO and γʹ phases under physiological conditions

•Mg-Dy-Zn alloys with varying Dy content were prepared and investigated with respect to microstructure, degradation properties and biocompatibility.•Larger amounts of intermetallics display the lower...

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...

The performance degradation of MAO/GPTMS coating on magnesium alloy under combined corrosive environment and cyclic loading

•MAO/GPTMS coating reduces the corrosion rate of Mg alloy.•The coating has a certain influence on the mechanical behavior of the alloy.•The brittleness and bonding strength of the coating affect the...

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...

Microstructure, mechanical properties and damping behavior of novel Mg-Ga-Zn alloys fabricated by medium-high strain rate rolling

•The mechanism of Zn influencing the microstructure of Mg-Ga alloy under medium and high strain rate deformation is revealed.•Zn can reduce the strain amplitude when the alloy damping value reaches...

The mechanism of pre-twinning on enhancing strength of AZ31 magnesium alloy

•New free compression and width-constrained rolling (FCWR) of AZ31 sheet is proposed.•FCWR of AZ31 sheet can eliminate strong basal texture and considerably refine grains.•Multiple slip systems are...

Breaking Mg matrix composite property trade-offs via in-situ interface reaction and heterogeneous structure design

•Overcoming the strength-ductility trade-off of mg matrix composite by constructing layered heterostructures.•In situ interfacial reaction was used to imparts magnetism to mg matrix composite to improve...

Protein in physiological fluid resists premature fracture of a magnesium alloy: Unique, remarkable and contrasting influences on stress corrosion cracking and corrosion

•Identifies a new and unique overall fracture surface for a magnesium alloy in a physiological fluid environment with added organic molecule (that is, bovine serum albumin/BSA).•Demonstrates the contrasting...

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