Progress and prospects of Mg-based amorphous alloys in azo dye wastewater treatment
March 2024
•Mg-based amorphous alloys shows catalytic performances to degrade azo dye wastewater.•The amorphous alloy powder fabricated by ball milling with a high specific surface area.•Dealloying can provid...
Share article
Understanding the catalysis of chromium trioxide added magnesium hydride for hydrogen storage and Li ion battery applications
March 2024
•Addition of CrO3 with MgH2 decreases the dehydrogenation temperature of MgH2.•CrO3 added MgH2 also effectively interacts with Li in a Li ion battery.•Interaction between MgH2 and CrO3 produces Cr,...
Share article
Inclusion of CoTiO3 to ameliorate the re/dehydrogenation properties of the Mg–Na–Al system
March 2024
•Effects of CoTiO3 on the hydrogen storage properties of Mg-Na-Al was study for the first time.•The addition of CoTiO3 reduced the decomposition temperature and improved the sorption properties of Mg-Na-Al.•The...
Share article
Scanning transmission electron microscopy and atom probe tomography analysis of non-stoichiometry long-period-stacking-ordered structures in Mg-Ni-Y/Sm alloys
March 2024
The long-period-stacking-ordered (LPSO) structure affects the mechanical, corrosion and hydrolysis properties of Mg alloys. The current work employs high angle annular dark field-scanning transmission...
Share article
Origin of nucleation and growth of extension twins in grains unsuitably oriented for twinning during deformation of Mg-1%Al
March 2024
•Nucleation and growth of extension twins with low or even negative Schmid factor was reported by in-situ EBSD.•Anomalous extension twins nucleated mainly at the onset of plastic deformation at or near...
Share article
Functionally graded structure of a nitride-strengthened Mg2Si-based hybrid composite
March 2024
•SiC incorporation in a Mg2Si matrix for improving wear resistance during additive manufacturing.•Localization of secondary phase along the edge of each melt pool of the primary phase.•Formation of...
Share article
New insights on the high-corrosion resistance of UHP Mg-Ge alloys tested in a simulated physiological environment
March 2024
•UHP Mg-Ge showed good corrosion resistance in a simulated physiological environment.•Mg2Ge played key roles in cathodic kinetics inhibition.•Ge accelerated surface film formation and improved the film's...
Share article
Understanding the corrosion and bio-corrosion behaviour of Magnesium composites – a critical review
March 2024
•First attempt to critically review corrosion and bio-corrosion of Mg composites.•Corrosion and bio-corrosion mechanisms of Mg composites proposed for the first time.•The size, type, Wt% of reinforcements...
Share article
Grain refinement of Mg-Ca alloys by native MgO particles
March 2024
•A well-design experimental demonstration showing that native MgO particles, which remained as the predominant inclusions, account for the mechanism of grain refinement in Mg-Ca alloys.•A dedicated...
Share article
Chemical and mechanical properties of stainless, environment-friendly, and nonflammable Mg alloys (SEN alloys): A review
March 2024
•SEN alloys are developed by adding small amounts of Ca and Y to Mg–Al-based alloys.•SEN alloys exhibit enhanced oxidation, ignition, and corrosion resistances.•SEN9 alloy has superior tensile properties...
Share article
3D-printed Mg-1Ca/polycaprolactone composite scaffolds with promoted bone regeneration
March 2024
In bone tissue engineering, polycaprolactone (PCL) is a promising material with good biocompatibility, but its poor degradation rate, mechanical strength, and osteogenic properties limit its application....
Share article
A multi-functional MgF2/polydopamine/hyaluronan-astaxanthin coating on the biodegradable ZE21B alloy with better corrosion resistance and biocompatibility for cardiovascular application
March 2024
The cardiovascular diseases (CVD) continue to be the major threat to global public health over the years, while one of the effective methods to treat CVD is stent intervention. Biomedical magnesium...
Share article
Revealing the role of pyramidal <c+a> slip in the high ductility of Mg-Li alloy
March 2024
The high ductility of Mg-Li alloy has been mainly ascribed to a high activity of pyramidal
Share article
Activation of <c> dislocations in Mg with solute Y
March 2024
Mg-Y cast alloy shows excellent ductility (elongation to failure > 15%) compared with pure Mg and commercial Mg cast alloys. By monitoring the microstructure evolution during an in situ tensile test...
Share article
Precipitation of multi-type nano-quasicrystals in a Mg-Zn-Y alloy
March 2024
•Mg-6Zn-1Y (at.%) ribbons with multi-type quasicrystal precipitates were successfully prepared though rapid solidification and aging treatments.•Two new kinds of decagonal quasicrystals were formed...
Share article
In-situ AFM and quasi-in-situ studies for localized corrosion in Mg-9Al-1Fe-(Gd) alloys under 3.5 wt.% NaCl environment
March 2024
Revealing the localized corrosion process of Mg alloy is considered as one of the most significant ways for improving its corrosion resistance. The reliable monitor should be high distinguishability...
Share article
Improving corrosion resistance of additively manufactured WE43 magnesium alloy by high temperature oxidation for biodegradable applications
March 2024
•WE43 parts of reliable fusion quality were fabricated by laser powder bed fusion.•The microstructure after high temperature oxidation (HTO) was characterized with various heating temperatures and holding...
Share article
Microstructure and damping properties of LPSO phase dominant Mg-Ni-Y and Mg-Zn-Ni-Y alloys
March 2024
This work studied the microstructure, mechanical properties and damping properties of Mg95.34Ni2Y2.66 and Mg95.34Zn1Ni1Y2.66 alloys systematically. The difference in the evolution of the long-period...
Share article
In situ formed Mg(BH4)2 for improving hydrolysis properties of MgH2
March 2024
•An economical synthesis of MgH2@Mg(BH4)2 composite is developed by using B2O3.•The composite exhibits fast hydrolysis kinetics with high hydrogen yield.•The system hydrogen density could approach 5.9...
Share article
In situ formation of multiple catalysts for enhancing the hydrogen storage of MgH2 by adding porous Ni3ZnC0.7/Ni loaded carbon nanotubes microspheres
March 2024
•Porous Ni3ZnC0.7/Ni loaded carbon nanotube microsphere is obtained.•The microsphere in situ changes to multiple catalysts.•The onset release temperature is reduced to 110 °C.•It can uptake 2.34 wt%...
Share article
Systemic modulation of skeletal mineralization by magnesium implant promoting fracture healing: Radiological exploration enhanced with PCA-based machine learning in a rat femoral model
March 2024
•Validation of promoted fracture healing via intramedullary Mg implantation.•Concurrent systemic and local bone modulation associated with retention of Mg implant.•Constructed radiological markers with...
Share article
Innovative approach to boosting the chemical stability of AZ31 magnesium alloy using polymer-modified hybrid metal oxides
March 2024
•A novel approach to high-performance hybrid materials for corrosion prevention.•WO3/PPVA hybrids deposited in a fragmented manner, forming a "laminar reef-like structure.•PPVA-sealed WO3-based coating...
Share article
Study on the low mechanical anisotropy of extruded Mg-Zn-Mn-Ce-Ca alloy tube in the compression process
March 2024
In this study, the extruded Mg-Zn-Mn-Ce-Ca alloy tube with a low compression anisotropy along the ED, 45ED and TD was prepared. The effect of the second phases, initial texture and deformation behavior...
Share article
Influence of ammonium sulfate on the corrosion behavior of AZ31 magnesium alloy in chloride environment
March 2024
•NH4+ accelerates corrosion of AZ31 alloy in the Cl−-SO42− system.•Buffering ability of NH4+ is the dominant factor in NH4+-induced acceleration of AZ31 alloy.•High coverage of hads generates an inductive...
Share article