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ISSN: 2772-834X

Microstructure evolution and mechanical properties of Al2O3 foams via laser powder bed fusion from Al particles

Laser powder bed fusion (LPBF) combined with reaction bonding (RB) of Al particles is an effective method for preparing high-performance 3D Al2O3 ceramic foams. However, the indistinct microstructure...

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Towards establishing uniform metrics for evaluating the safety of lithium metal batteries

Lithium metal batteries (LMBs) with ultra-high theoretical energy densities are regarded as excellent candidates for the next energy storage devices. Unfortunately, there are many factors can cause...

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Underwater laser directed energy deposition of NV E690 steel

Powder-based laser direct metal deposition (DMD), one of the directed energy deposition, was applied in air and underwater to repair pre-machined NV E690 steel plates. Systematic investigations on the...

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Novel experimental strategy towards temperature inhomogeneity during spark plasma sintering of metallic glasses

Despite the importance of temperature distribution in spark plasma sintering of metallic glasses, its quantification has been experimentally laborious. This work proposes an experimental strategy to...

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Confined magnetic vortex motion from metal-organic frameworks derived Ni@C microspheres boosts electromagnetic wave energy dissipation

Magnetic domain structure plays an important role in regulating the electromagnetic properties, which dominates the magnetic response behaviors. Herein, unique magnetic vortex domain is firstly obtained...

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Correlating O-deficiency and luminescence property of Tb3+ doped SrO

Cubic rock salt can lower down or break the rare earth transition barrier through interstitial or vacancy defects owing to its great deformation and rotation flexibility. Here, we demonstrate that oxygen...

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Unveiling the unique bifunctionality of L12-structured nanoprecipitates in a FeCoNiAlTi-type high-entropy alloy

Nanoprecipitation strengthening has been widely adopted as an effective way to design high-strength alloys, which generally leads to the loss of ductility. Here we unveil the unique bifunctionality...

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Multiscale modelling of irradiation damage behavior in high entropy alloys

The increasingly harsh environment of the nuclear reactors and the insurmountable flaws of in-service materials have created an urgent need for the development of the brand-new alloys. For last decade,...

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Construction of hollow binary oxide heterostructures by Ostwald ripening for superior photoelectrochemical removal of reactive brilliant blue KNR dye

Although the Ostwald ripening approach is often utilized to manufacture single hollow metal oxide, constructing hollow binary oxide heterostructures as potent photoelectrochemical (PEC) catalysts is...

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Greatly improved piezoelectricity and thermal stability of (Na, Sm) Co-doped CaBi2Nb2O9 ceramics

Calcium bismuth niobate (CaBi2Nb2O9) is regarded as one of the most potential high-temperature piezoelectric materials owing to its highest Curie point in bismuth layer-structured ferroelectrics. Nevertheless,...

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Phase selection-oriented mechanical properties tailoring for β-type TiNbZrTaSi alloy fabricated by laser powder bed fusion

The morphology and distribution of silicides in α/α+β type titanium alloys impress on their properties. Nevertheless, the types of silicide precipitates and their formation mechanisms remain unclear...

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Reinforced copper matrix composites with highly dispersed nano size TiC in-situ generated from the Carbon Polymer Dots

In order to uniformly disperse the ceramic reinforcements synthesized in-situ in the copper matrix composites, this study used Carbon Polymer Dot (CPD) as the carbon source and Cu–1.0%Ti alloy powder...

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MXenes in tribology: Current status and perspectives

MXenes are an emerging class of new two-dimensional materials, which have been widely used in energy storage, catalysis, sensing, biology, and other fields due to their unique structure and properties....

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Insights into atomically dispersed reactive centers on g-C3N4 photocatalysts for water splitting

Co-catalysts decorations provide unique opportunity in promoting the photocatalytic water splitting performance of graphite carbon nitride (g-C3N4) system, while mechanistic understanding of this complex...

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Construction of zinc metal-Tin sulfide polarized interface for stable Zn metal batteries

Aqueous Zn metal batteries have become competitive electrochemical energy storage systems owing to their material abundance, low cost, high capacity, and nontoxicity. Nevertheless, the notorious Zn...

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Achieving ultra-high strength and ductility in Mg–9Al–1Zn–0.5Mn alloy via selective laser melting

Fabrication of the Mg–9Al–1Zn–0.5Mn alloy with excellent mechanical performance using selective laser melting (SLM) technology is quite difficult owing to the poor weldability and low boiling point....

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Long- and short-range orders in 10-component compositionally complex ceramics

Neutron diffraction and total scattering are combined to investigate a series of single-phase 10-component compositionally complex fluorite-based oxides, [(Pr0.375Nd0.375Yb0.25)2(Ti0.5Hf0.25Zr0.25)2O7]1-x[(DyHoErNb)O7]x,...

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Elemental segregation inhibits hydrogen embrittlement in aluminium alloys

In this study, we performed first-principles calculations to determine the effects of four metallic solutes (Y, Zr, Mg, and Zn) on the hydrogen embrittlement (HE) of aluminum alloys with the Σ5(210)...

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Assembling of low-dimensional aggregates with interlaminar electromagnetic synergy network for high-efficient microwave absorption

Considering the risk of a sudden degeneration caused by the oxidation of MXenes in dielectric and microwave absorption properties, to enhance the oxidation resistance of multilayer MXenes can make them...

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Laser powder bed fusion of a novel high strength quasicrystalline Al–Fe–Cr reinforced Al matrix composite

Quasicrystal (QC)-reinforced metal matrix composites fabricated by rapid solidification present promising new opportunities to develop high-strength alloys with multiple functions. In this research,...

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Water vapor corrosion behavior and failure mechanism of air sprayed bi-layer Yb2Si2O7/SiC and tri-layer Yb2Si2O7/ (SiCw-Mullite)/SiC environmental barrier coating

To improve the corrosion resistance of Cf/SiC composites in a water vapor oxygen coupled environment, the bi-layer Yb2Si2O7/SiC and tri-layer Yb2Si2O7/(SiCw-Mullite, SM)/SiC environment barrier coatings...

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Constructing Cd0.5Zn0.5S/Bi2WO6 S-scheme heterojunction for boosted photocatalytic antibiotic oxidation and Cr(VI) reduction

The development of distinguished photocatalysts with high photo-carrier disassociation and photo-redox power for efficient elimination of pollutants in water is of great significance but still a grand...

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Two birds with one stone: Engineering polymeric carbon nitride with n-π∗ electronic transition for extending light absorption and reducing charge recombination

The weak visible light harvesting and high charge recombination are two main problems that lead to a low photocatalytic H2 generation of polymeric carbon nitride (p-CN). To date, the approaches that...

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Strain regulation via composition and valence dependent substitution in BNT-based solid solutions

Simultaneous composition and valence-dependent strain regulation is achieved in lead-free (Bi0.5Na0.4K0.1)1-2xSm2xTi1-xMnxO3 (BNKT-SM100x) ceramics by a facile co-doping design with Sm3+ and Mn2+. By...

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Selective coding dielectric genes based on proton tailoring to improve microwave absorption of MOFs

Regulating dielectric genes of hollow metal-organic frameworks is a milestone project for microwave absorption (MA). However, there is still a bottleneck in deciphering the contribution of various dielectric...

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