Recent Articles

Open access

ISSN: 2213-9567

Elucidating the morphology difference of intermetallic compounds in Mg-to-Al weld nugget zone via multiphase-field simulation

•Multiphase-field model is developed to analyze the interplay between the DRX process and the IMCs formation/growth.•The DRX process has a significant impact on atomic diffusion and the number of nucleation...

Recent progress in wire arc additive manufacturing of magnesium alloys

•The effect of process parameters on microstructure and mechanical properties are systematically summarized.•Strengthening mechanism and unique corrosion behavior of WAAM-Mg alloys are discussed.•Optimization...

Time-resolved analysis of the dynamics of deformation mechanisms in low-alloyed rapidly solidified Mg-Zn-Y-Al alloy

•The low-alloyed RSRC Mg-Zn-Y-Al alloy has high strength and low yield strength asymmetry.•Acoustic emission gives in-situ insight into the timing and interplay of deformation mechanisms.•The variation...

Ultrasonic impact treatment-induced gradient nanostructure in high-plasticity ZG21X alloy: Enhanced strength-ductility balance

•An asymmetric composite gradient structure of “grain size + twin + dislocation” was constructed in ZG21X magnesium alloy sheet by UIT.•The UIT sample surface layer was refined to 260 nm, primarily...

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...

Microstructure and property optimization of thixomolding AZ91D magnesium alloy for automotive navigation housing applications

•A thixomolding–T6 route was optimized to fabricate thin-walled AZ91D automotive navigation brackets.•Optimized thixomolding refined α-Mg grains, enhancing the strength and ductility.•T6 treatment promoted...

Unveiling cold cracking and grain refinement mechanisms governed by alloy composition in additive manufacturing of high-strength Mg-Gd(-Zn)-Zr alloys

•A paradox between reducing cold cracking susceptibility and refining grains is discovered for the first time in AM of Mg-Gd(-Zn)-Zr alloys.•Cold cracking and grain refinement mechanisms governed by...

Natural-substance-integrated multifunctional coating enabled by diatomite and composite inhibitors for stimuli-responsive corrosion control

•Innovative intelligent microcontainers: GT@DE/PDA microcontainers solve traditional inhibitor loss and poor controlled-release issue.•The coating combines four functions (intelligent corrosion inhibition,...

Heat treatment, tensile and creep behaviors of Mg-Gd-Y-Zr alloy by novel near-liquidus squeeze cast

•Optimized T4 and T6 regimes were developed for NSC alloys to maximize strengthening.•NSC alloy exhibits improved strengths and comparable ductility to GC and SC alloys.•The creep behavior was systematically...

Thermal deformation behavior and related deformation mechanisms of Mg–3Y alloy under shear–compression loading conditions

•The thermal shear–compression deformation was investigated via integrated physical simulation and numerical modeling.•During thermal shear–compression deformation, the Mg–3Y alloy demonstrates pronounced...

Optimizing hydrogenation and optical switching performances of FC/Pd/Mg films via vacuum annealing: A Hall-Petch relationship perspective on Mg layer intermediate-temperature recovery

•Systematic vacuum annealing (50–250 °C) is employed to tailor the microstructure and functional properties of FC/Pd/Mg films with an equiaxed Mg layer.•The film annealed at 100 °C for 0.5 h exhibits...

A machine learning potential of Mg-Y alloy and its application on pyramidal <c + a> dislocation

•A broadly applicable deep learning potential for research dislocation behavior of Mg-Y alloys was developed by combining a deep learning framework with a density functional theory dataset.•The...

Effect of temperature and β-phase morphology on the high-stress creep of magnesium-aluminum-rare earth alloys

•Compare creep resistance of AE44-2 and AE44-4 across temperatures.•AE44-2 has superior creep resistance at elevated temperature.•Hall-Petch-like analysis links finer β-phase spacing to higher resistance.•Crystal...

Texture weakening mediated by designed low-temperature rolling in a dilute magnesium alloy

•A weak texture is unusually attained in a dilute Mg-1Zn-1Sn-0.2Ca alloy via low-temperature-controlled rolling, by manipulating dislocation accumulation and dislocation-mediated solute partitioning.•Initially,...

Interlayer cooling time-mediated microstructural control and mechanical property tailoring in wire-arc additively manufactured Mg-Gd-Y-Zn-Zr alloys

•The 18R-LPSO phases appeared in the as-deposited samples, with a maximum volume fraction of about 1.43%.•The formation mechanism of 18R-LPSO during WAAM was clarified.•At an ICT of 90 s, the as-deposited...

Enhanced microstructural homogeneity and tensile properties of bimodal AZ31 alloy sheet via combined ultrasonic nanocrystal surface modification and electropulsing treatment

•Surface-localized bimodal grains in rolled AZ31 alloy are effectively removed by UNSM–EPT.•UNSM forms an ultrafine surface layer and dense twins, raising strength but degrading ductility.•A 2-min EPT...

Deceleration of porous magnesium alloy scaffold degradation and synchronization of bone defect repair by LIPUS-activated piezoelectric mineralization barrier

•Contrary to the ZE21C magnesium alloy, LIPUS promotes the deposition of Ca-P salts and slows down the degradation of coated scaffolds.•Under the intervention of LIPUS, an osteoconductive interface...

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...

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...

Study on the preparation principle and strengthening mechanism of in-situ synthesized Mg-Li matrix composites through the La2O3→La→AlmLan route

•Based on the modification technology of flux (LiF-LiCl), the efficient wetting of between La2O3 powder and Mg-Li alloy melt has been achieved.•By adopting the route of “La2O3→La→AlmLan”, a new type...

Atomic simulation of bimodal microstructure in wrought Mg-Al-Zn-Ca-Mn alloy

•Molecular dynamics (MD) simulations reveal how Al₂Ca precipitates hinder low-angle grain boundaries (LAGB) migration at the atomic scale.•Al₂Ca precipitates grow during annealing and impede LAGB migration...

Tailoring microstructure and mechanical properties of high-pressure die-cast Mg-RE-Gd alloys via trace Al additions

•Al addition triggers changes in Al-RE phase types and morphology distribution.•DFT calculations reveal Al-RE exhibits a higher modulus than Mg-RE.•The strength difference results from Mg12RE morphology...

Controlled ageing-induced nano Gd precipitation: An effective strategy to improve mechanical, corrosion, antibacterial and biocompatibility of Mg-0.5Mn-7.3Gd alloy

•Size, fraction, and coherency of nano Mg₅Gd phase changes with aging progression.•Precipitate shearing of Mg₅Gd phase enhances yield strength in peak-aged condition.•Lowest Volta potential difference...

Processing maps for magnesium alloys: From thermodynamic response to mechanistic interpretation

•Processing maps for Mg alloys are re-examined from physical and energy views.•Flow instability in Mg alloys is linked to rate-controlled deformation mechanisms.•A unified framework reconciles Prasad,...

Stay Informed

Register your interest and receive email alerts tailored to your needs. Sign up below.