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ISSN: 2213-9567

Architecting optimized heterostructure for exceptional strength-ductility synergy in Mg-Gd-Y-Zn-Mn alloy

•Extruded bimodal Mg-Gd-Y-Zn-Mn alloy achieves 372 MPa ultimate tensile strength and 17.3% elongation.•Narrow coarse grains enable uniform strain partitioning and continuous GNDs gradient near fine...

The key mechanism of twin-mediated microcracks in enhancing Mg anodes’ discharge behavior

•The effect of annealing temperature on the discharge performance of a Mg anode was studied.•The relationship between twins and the discharge morphology of a magnesium anode was revealed.•The fine grain...

Synergistic effects of silicon alloying and plastic deformation on thermal expansion behavior and mechanical performance of dual-phase Mg-Li alloys

●Si alloying and plastic deformation synergistically optimize the thermal expansion and mechanical properties of Mg–Li alloys.●Residual stress effects were investigated, while first-principles calculations...

Deformation twinning in magnesium: the role of phase transformations

Image, graphical abstract...

A new methodology for habit plane and orientation relationship prediction in precipitation strengthening of magnesium alloys

•A general method predicts orientation relationships and habit planes in precipitation-strengthened Mg alloys.•Three possible orientation relationships and habit planes are theoretically predicted for...

Al-driven magnesium alloy functionality via manifold structuring and disorder

•First comprehensive atomistic study of alloying & porosity in Mg-alloy performance.•Molecular Dynamics investigation of tensile response in Mg-Al-Zn alloys.•Effects of 0–18% Al+Zn and 0–3% porosity...

Novel Mg-Y-Ni dissoluble alloys with low cost, high strength, and rapid dissolution rate developed via optimizing thermal processing routes

•Proposes a “materials streamlining” strategy is proposed by utilizing a low-RE Mg-Y-Ni alloy and achieving performance through advanced thermomechanical processing instead of costly high-RE alloying.•Provides...

Integrating multimodal dot product fusion with conditional generative adversarial network to build a C-P-S-P chain in Mg alloys

•A multimodal CNN with dot product fusion predicts UTS of Mg alloys (R2 = 0.928).•MCCGAN generates EBSD microstructures conditioned on composition and process.•Integration of multimodal CNN and MCCGAN...

Evaluation of corrosion performance of coated Mg component in commercial coolant

•Investigate corrosion performance at coupon and component levels for propulsion applications.•MAO coating significantly improves the corrosion resistance of magnesium.•Reveal consistent trends across...

The influence of secondary phases on the deformation and static recrystallization behavior of Mg-Ca-Zn Alloy

•Solution-treated Mg-Ca-Zn (XZ02-ST) exhibited extension, contraction, and double twinning as the major deformation modes. Additionally, evidence of basal and non-basal slip has been observed.•Precipitate-containing...

Low temperature thermolysis and hydrolysis of MgH2 generated from a titanium-mediated hydrogenation of Mg2Si

•Mg2Si can be mostly converted to MgH2 (∼76 %) via hydrogen-assisted high-energy ball milling of Mg2Si-Ti.•The Ti-induced destabilization of Mg2Si promotes its transformation into MgH2.•The obtained...

Realizing enhanced superplasticity in an AZ91 Mg alloy featuring layered heterogeneous microstructure and texture

•Friction stir processing (FSP) generated a heterogeneous microstructure with layered variations in texture and grain size.•Superplastic elongation of 977% was observed for samples deformed at high...

Advanced processing and heat treatment of magnesium alloys: a quest for the critical breakthrough to large-scale applications

•Progress in processing of magnesium alloys including casting, twin roll casting, injection molding, rolling, extrusion, forging, and additive manufacturing is briefly specified, emphasizing a quest...

Effect of high-temperature aging treatment on strength enhancement of the as-cast Mg-8Li-6Zn-1Y (in wt.%) alloy

•Most of MgLiZn particles are dissolved during high-temperature aging.•Nano-sized I-phase particles are precipitated in α-Mg phase.•Aging-hardening is due to dissolved MgLiZn and precipitated I-pha...

Deep learning-driven microstructure characterization and Vickers-hardness prediction of Mg-Gd alloys

•Multitask pipeline quantifies microstructures in metallography and TEM images.•Deep-learning accurately predicts room-temperature Vickers hardness of Mg-Gd alloys.•Deep-learning microstructure-property...

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...

Through the extrusion temperature control AZ31B/6063 composite tubes microstructure to achieve strength-ductility synchronous enhancement

•AZ31B/6063 composite tubes were successfully fabricated by shear extrusion within a broad temperature window of 280–410 °C.•The as-prepared tubes exhibit stable high performance between 280 and 380...

Ni9S8/Fe5Ni4S8-mediated reversible catalysis: Enhancing the hydrogen storage performance of MgH2 under mild conditions

•A reversible catalyst Ni9S8/Fe5Ni4S8 was synthesized via a one-step hydrothermal method.•The MgH2-5 wt.% Ni9S8/Fe5Ni4S8 composite releases 5 wt.% H2 at 225 °C and absorbs 4 wt.% H2 at 45 °C.•The reversible...

Achieving strength-ductility synergy and low mechanical anisotropy in a Mg-Zn based alloy at 77 K via Gd addition and asymmetric extrusion

•Asymmetric extrusion unexpectedly induces texture strengthening in a Mg-Zn-Gd alloy, contradicting conventional wisdom.•Asymmetric extruded Mg-Zn-Gd alloy yields exceptional cryogenic properties: a...

A perspective on practical rechargeable magnesium batteries

•The critical insights and outlooks for cathode/anode/electrolyte designs and cell construction in RMBs were proposed.•Artificial intelligence technology will drive a revolution in the design of RMB...

Thermodynamically stable Mg2XH6 (X = Al, Si) double perovskite hydrides for high-capacity hydrogen storage: A DFT and AIMD study

•Mg2XH6 (X = Al/Si) double perovskite hydrides investigated via first-principles DFT.•Mechanical and dynamical stability confirmed by Born criteria and phonon spectra.•Metallic electronic structure...

Achieving Synergy in Laminated ZK60/MgEr Composite by Multiple Strengthening and Toughening Mechanisms

•The ZK60/MgEr composite plate achieves an optimal balance between strength and ductility.•Systematically elucidated the deformation mechanisms during roll bonding.•The contributions of various strengthening...

Achieving superior grain refinement and microstructural stability for enhanced strength-ductility synergy in a fusion-welded Mg-Gd-Y-Zr alloy

•LPSO phase suppressed the AGC of welded Mg-RE alloys during heat treatment.•The grain boundary pinning mechanism within FZ was elucidated.•AGC effect on the precipitation behavior of the welded joint...

Interfacial kinetics governed by Mg volatility and donor-induced magnesium vacancies in magnesium-based systems

•Magnesium volatility activates a defect-mediated interfacial transport pathway at reduced temperatures.•Donor-induced magnesium vacancies give rise to a transient, quasi-liquid interfacial state.•Thermodynamic...

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