High-temperature solid-state method was adopted to synthesize one novel Bi3+, Eu3+ co-doped Ba3Ga2O6 phosphors in this work. Results of X-ray diffraction (XRD) characterization, scanning electron microscope (SEM) characterization and energy dispersive spectrometer (EDS) characterization indicate that Bi3+ and Eu3+ ions were successfully doped into lattice. The emission spectrum of the phosphor contains

In the present study, Cf/C-SiC composite was brazed to Inconel 718 superalloy using Ticusil® braze alloy. The joint performance was assessed by evaluating single offset lap shear strength of bond. The brazing parameters affecting shear strength of joint, were optimised by response surface methodology with an objective to maximise strength. The optimised brazing conditions rendering a maximum shear

Friction stir additive manufacturing (FSAM) is beneficial for producing lightweight alloy builds with superior performance, largely owing to the low heat input of solid-state manufacturing. Herein, high-performance Al-6061 alloy multi-layered builds were successfully fabricated by the FSAM. Through real-time temperature measurement, along with multi-scale characterization and mechanical testing, this

High entropy alloys (HEAs) have been widely used in aerospace complex parts due to their unique mechanical properties. HEAs with body-centered cubic (BCC) structure have high strength and low plasticity. Due to the synergistic effect of solid solution strengthening and lower electron concentration, high entropy alloys containing refractory elements tend to have considerable strength and plasticity

In this work, the Ag-4wt%TiB2-4wt%Ni and Ag-5wt%C contact materials were prepared by the combination of wet mixing and spark plasma sintering (SPS), and the electrical contact tests were performed under resistive load DC36V/16 A. The electrical characteristics of the AgTiB2Ni-AgC asymmetrical pairing and AgTiB2Ni-AgTiB2Ni symmetric pairing were comparatively studied, and the underlying mechanisms of

To develop a strong, room-temperature (RT)-formable, and corrosion-resistant Mg alloy sheet, we investigate the age-hardening response, RT formability, tensile properties, and corrosion resistance of low-Mn-containing Mg-(1, 2)Zn-(0.2, 0.5, 1)Ca-0.2Al-0.2Mn (ZXAM, mass%) alloy sheets. The Zn content minimally affects the abovementioned properties. However, the Ca content is important for significantly

In contrast to its positive counterpart, the negative electrocaloric effect (ECE) has received relatively less attention, and its underlying mechanisms remain insufficiently understood. In this study, we report pronounced differences in the dielectric and electrocaloric properties of Ba0.8Sr0.2TiO3 (BST) and 1.0 mol. % Mn-doped Ba0.8Sr0.2TiO3 (BST-Mn) ceramics after aging. The structural analysis reveals

For ultra-large and complex die casting aluminum alloy parts, the design of a three-stage ultra vacuum assisted high pressure die casting (HPDC) process is realized by evacuating from the shot sleeve, die cavity and venting plate in stages. Process innovation leads to die cavity with 10 mbar minimum vacuum and 23.4 mbar mean vacuum. Compared to conventional HPDC parts, the yield strength, tensile strength

Designing of an efficient heterojunction for the practical application of photocatalysis has been considered as the promising topic for the settle of the energy crisis and environmental pollution. Herein, a dual Bi2O3/BiOCl/Bi24O31Cl10 ternary heterojunction has been constructed by the in-situ photoreduction technique for the photocatalytic degradation of rhodamine B (RhB) and tetracycline hydrochloride

The synergistic coupling of optical and thermal effects for the comprehensive utilization of solar energy has garnered increasing attention in recent research. In this work, the synergistic coupling of solar photo and thermal effects was realized using a non-noble metal Ni cocatalyst loaded with Mg and Al codoped SrTiO3. In the photothermal synergistic decomposition of pure water, the efficiencies

The excess addition of Ru and Re is negative to the practical engineering application of Ni-based single crystal (SX) superalloys, and using substitute elements that have similar roles to Ru and Re to reduce their additions is a potential way to balance the cost and microstructural stability. In this study, two elemental substitutions were designed: (1) partial substitution of Ru by Co; (2) simultaneous

Electrochemical nitrate (NO3-) reduction to ammonia (NH3, NRA) is a promising way to converting NO3- pollution in industrial wastewater to valuable ammonia, and development of efficient NRA catalysts is attracting considerable research interest. In this study, a NRA catalyst composed of Sn/Co oxide with abundant heterointerfaces on carbon cloth (Co3O4-SnO2/CC) was prepared and investigated. As-reported

A crosslinked copolymer electrolyte of methyl methacrylate (MMA), butyl acrylate (BA) and crosslink agent poly (ethyleneglycol diacrylate) (PEGDA), was synthesized by in-situ thermally initiated method. In this design, the hard, brittle monomer MMA contributed to the mechanical strength, the stability over long cycling period while the soft, flexible monomer BA provided the good capsulation of high

Yttrium oxide is extensively utilized in high-temperature industries due to its excellent vacuum and high-temperature chemical stability. However, its applications are limited by poor thermal shock resistance, which arises from its intrinsic brittleness. The ferroelastic toughening phase LaAlO3 offers significant fracture toughness, which is attributed to the ferroelastic domain-switching toughening

Indoor plant cultivation requires artificial light sources with broadband blue emission (400–500 nm) to match chlorophyll absorption spectra, yet most phosphors exhibit narrow emission bands. Meanwhile, non-contact optical thermometers face limitations in sensitivity (<1.5 %·K−1), hindering precise temperature monitoring. Here, we report a Ce3+-activated Sr₂Ga₂GeO₇ (SGGO) phosphor that simultaneously

In this study, the Ag and I co-doping In3.97Pb0.03Se3 (IPS) thermoelectric (TE) materials (IPS-(AgI)x), which is based on In4Se3 TE materials, was prepared successfully by spark plasma sintering (SPS) method. And the effect of doping content on the energy band structure, microstructure and thermoelectric properties of IPS-(AgI)x has been investigated. The results show that the Ag and I co-doping can

The widespread applications of magnesium alloys, particularly in Mg-Al-RE (RE=La, Nd, Ce) systems, as the usage of this lightweight structural material is severely limited by galvanic coupling between intermetallic phases and α-Mg matrix, by which the corrosion degradation is significantly accelerated. Assessment of galvanic interactions through the electrochemical potentials of phases is crucial for

To explore the pronounced susceptibility to hot cracking in cast Al-4.0Cu-xMg (x = 0.5–2.5 wt%), the effect of the liquid film (LF) characteristics and intermetallic compounds (IMCs) properties on hot cracking behaviors were systematically investigated. The results revealed, the Al-4.0Cu-1.5Mg alloys exhibited the smallest solidification temperature range (ΔT) from the perspective of solidification

Efficient green phosphors with high internal quantum efficiency (IQE) are crucial for developing high color rendering white light-emitting diodes (LEDs). Herein, through co-substituting cation sites, Y3+/Al3+ are replaced by Ba2+/Si4+ respectively in the Y3Al5O12 (YAG) lattice, yielding novel Ce3+-doped BaY2Al4SiO12 (BYAS) green phosphors with symmetrical and stable structure similar to that of YAG

The equilibrium phase relations and thermodynamic data of the Y2O3-Al2O3-SiO2 system are critical for advancing material design in applications such as aviation, aerospace, nuclear energy, refractory materials, and lasers. In this study, the equilibrium phase relations of the Y2O3-Al2O3-SiO2 system were experimentally investigated at 1400℃ and 1600℃ using the classic high-temperature equilibration

Titanium alloys exhibit low-temperature brittleness. A major challenge in their use has always been enhancing their impact toughness without compromising their strength. In this study, a dual-phase titanium alloy with α+ α′+ β phases was designed through alloying with Fe element, and its microstructure was carefully adjusted via heat treatment. The impact failure mechanism was analyzed through characterization

In this study, the δ-phase CsPbBrxI3-x single crystals (SCs) exhibiting notable environmental stability were investigated for the first time. Bulk crystals in centimeter-scale were successfully grown using the solution method, with EDS results confirming the chemical formula as CsPbBr0.6I2.4. The CsPbBrxI3-x crystals demonstrate strong absorption at wavelengths less than 475 nm, with a calculated optical

The challenge of increasing Fe content in Fe-based amorphous alloys while maintaining their glass forming ability and thereby achieving high magnetic flux density is an important issue in the field of soft magnetic amorphous alloys. Despite extensive efforts in designing such alloys through high-throughput computational methods, identifying and preparing amorphous alloys with Fe content exceeding 85 at%

This study investigates the structure-properties relationships of LW 4280 processed using laser direct energy deposition. The alloy exhibited a typical dendritic microstructure in the as-deposited condition, with a significant microsegregation of alloying elements. Fine γ′ precipitates were present in the dendrite cores, while the interdendritic regions showed relatively coarser γ′ precipitates and

The orientation-dependent shear responses were investigated in present paper through the combinations of mechanical test, digital image correlation (DIC) technique, and morphology characterizations. Results demonstrate that material orientation has a negligible effect on the elastic behavior of AA6061-T6 under shear loading, but significantly influences its inelastic behavior, including initial yielding

We investigated the structural, vibrational, and magnetic properties of CrCl3 plate-like nanocrystals on Si/SiO2 substrates, synthesized via vapor transport, across a broad temperature range (2–300 K) to elucidate structural and magnetic phase transitions. X-ray diffraction analysis identified rhombohedral and monoclinic phases, with temperature-variable ratio. Unexpectedly, the high-temperature (monoclinic)

The authors hope “Runai Liu is selected as the first corresponding author and Hongsheng Chen as the second corresponding author”.

To develop Mg/Al bimetallic composite tubes (Mg/Al BCTs) that leverage the lightweight properties of Mg alloy and the high strength and corrosion resistance of Al alloy, the element diffusion mechanisms in Mg/Al bimetallic composite materials (Mg/Al BCMs) under external deformation were investigated using hot compression testing. A diffusion model with variable coefficients was developed, and an equation

Al-Ni-Mn alloys are attractive for high-temperature, corrosive environment due to the formation of stable intermetallic compounds that can reduce corrosion susceptibility. This study showed that the additions of Mn, Sc, and Zr in Al-4 % Ni alloys significantly enhanced hardness and thermal stability through the simultaneous effect of transformation of the Al + Al3Ni to Al + Al9(Ni, Mn)2 eutectic and