2026 October - 83 articles
Hydrogen blending in natural gas pipelines poses an embrittlement risk to girth welds. This study investigated an API X70 girth weld in CH4-H2 mixtures containing 5–20% H2 at 4–10 MPa using slow strain rate tensile testing, fractography,...
As turbine inlet temperatures increase, the long-term stability of conventional yttria-stabilized zirconia (YSZ) thermal barrier coatings (TBCs) becomes difficult to maintain. Molten calcium–magnesium–alumino-silicate (CMAS) rapidly infil...
Fourier-based analysis of strain and rotation in differently oriented crystal domains in high-resolution electron microscopy lattice images requires consideration of the lattice signals and reciprocal bases associated with each domain. Here, the stra...
Low-temperature heat treatment in magmatic sapphires can be difficult to detect because conventional indicators, including hydroxyl-related absorptions and short-wave ultraviolet fluorescence, are often weak, absent, or inconclusive in Fe-rich materi...
Understanding the extent to which the supramolecular crystalline organisation of native wood is associated with its macroscopic, thermal and micromechanical properties remains an active area of inquiry in biomass characterisation. In this study, the...
In this study, ZnO nanoparticle-incorporated micro-arc oxidation (MAO) coatings were prepared on AZ31 magnesium alloy in a sodium silicate-based electrolyte. The effects of applied current density (3–6 A·dm−2), oxidation time (3&nd...
Chemical short-range order (CSRO) is associated with heterogeneous lattice distortion in refractory multi-principal-element alloys, but its relationship with cyclic dislocation organization remains unresolved. Hybrid Monte Carlo and molecular dynamic...
Thermotropic polymorphism of catanionic surfactants and its dependence on molecular structure was studied in seven catanionic surfactants with varying cationic and anionic chain lengths that were synthesized using isomerically pure para-alkylbenzene...
The straightforward decarboxylation of pyridazin-3(2H)-one-2-yl acetic acids and some of its alkyl homologues was achieved without the need for a catalyst and in solvent-free conditions by simple heating above the melting points. By this procedure N-...
Rosa Porriño granite is a widely used dimension stone in architectural and structural applications, yet its long-term reliability under sustained loading remains insufficiently quantified. Here, we combine mechanical testing, fractography and...
To address the low computational efficiency associated with the large deformation and transient evolution of the solid–liquid interface during the shoulder growth stage of sapphire crystals grown by the Kyropoulos method, a lightweight explicit...
Controlling the nature of solid forms of active pharmaceutical ingredients (APIs) can enhance the chemical stability, increase or decrease the solubility, reduce the dose required, reduce waste production, increase manufacturing yield, and improve th...
Bioglass (BG) thin films are promising materials for integrating bioactivity with dynamically tunable optical functionality. Here, BG coatings containing two, four, and six deposited layers were fabricated by spin coating to investigate how depositio...
Recycled aluminium moves from downcycling towards the automotive sheet, structural castings and high-performance extrusions. The central constraint on closed-loop recycling is no longer the mere presence of impurities. It is the multiscale microstruc...
Tungsten borides are promising superhard materials, but their mechanochemical synthesis requires prolonged processing, leaving the early and intermediate stages of mechanical alloying (MA) and the role of boron content largely unexplored. This study...
This paper examines the impact of defect-related Density of States (DOS) on both dark and illuminated conductivity of intrinsic amorphous silicon (a-Si:H). The quality of the a-Si:H layer plays a crucial role in achieving high photovoltaic (PV) conve...
Five compounds with the formula Ln2Zr2O7 (Ln = La, Nd, Sm, Eu, and Gd) were investigated. These materials exhibit important physicochemical properties and find practical applications for the development of high-temperature barriers, gas traps, and th...
The development of steels with good mechanical properties is essential for high-strength and deflection fabrications. This paper investigates the effect of annealing temperature on the dynamic mechanical behavior, microstructural response, and fractu...
In this study, the mineralogical, petrographic, geochemical, and gemological characteristics of siliceous gemstones exposed in the Ergani (Diyarbakır) region were investigated. The siliceous gemstones occur within Eocene sedimentary units, filli...
Cr3+/Er3+ co-doping was investigated as a strategy to modify the structural, microstructural, and dielectric response of BaTiO3 ceramics. Ba1−3xCr2xTi1−3xEr4xO3 compositions (x = 0, 0.001, 0.0015, and 0.002) were prepared by mechanical mi...
An ab initio-informed fully discrete Peierls–Nabarro (FDPN) framework is employed to establish quantitative links among the generalized stacking fault energy (GSFE) landscape, dislocation core structure, and intrinsic lattice resistance in six...
In this study, we perform molecular dynamics simulations to investigate the desublimation of carbon dioxide (CO2) on hydrophilic and hydrophobic surfaces with nanostructures. The results reveal that the presence of surface nanostructures substantiall...
Photoluminescent materials convert absorbed photon energy into radiative emission and constitute the functional basis of technologies, including solid-state lighting, displays, sensors, bioimaging, and anti-counterfeiting, etc [...]
In a recently published continuum thermodynamic approach to the phase-field method, the order parameter is considered an internal state variable, and the phase-field method is interpreted as an approximation of the corresponding sharp-interface theor...
Mali garnet is a gem-quality variety of the grossular–andradite solid-solution series and exhibits a wide range of colors, from near-colorless through light yellow, medium yellow, yellow, yellow-green, green with a yellow tint, to green. In thi...
Pristine ZnO and ZnO containing 1, 5, 10 and 20 wt.% nominal La2O3 were prepared by sol–gel-assisted chemical precipitation to investigate composition-dependent thermal transport in porous pressed-powder compacts. X-ray diffraction, Fourier-tra...
A previously reported crystalline assembly of the γ-form of trans-1,2-bis(4-pyridyl)ethylene (BPE) with citric acid (CA) was investigated under UV irradiation to examine its structural evolution and solid-state [2 + 2] photodimerization. Single...
Steel, copper, and magnesium slags are typical metallurgical solid wastes containing potentially recoverable Fe, Ca, Mg, and Si. Copper slag is relatively rich in iron, but much of this iron is bound in fayalite or Fe–Mg olivine, which limits d...
A device intended to detect and remember light needs more than a large photocurrent: its later electrical response must also remain distinguishable. Here, we examine these two requirements in MAPbBr3 single crystals with Au/Au, Ni/Ni, Au/Ni, and Ni/A...
Traditional cutting fluids are insufficient to mitigate problems such as the high temperatures and tool wear that occur during machining processes. Therefore, the use of nanoparticle-modified coolant oils has gained importance in recent years. In thi...
Pearl luster is commonly assessed by expert visual grading, which is subjective and may show limited interlaboratory reproducibility. We developed a dual-indicator imaging method for Chinese freshwater nucleated pearls using surface luminance and int...
Finite element analysis (FEA) is a key tool for predicting the mechanical behavior of additively manufactured parts. However, its predictive accuracy relies on the underlying constitutive model and, in particular, on precise model parameters. The mai...
The effects of Sc-Zr microalloying and casting conditions on the microstructure, precipitation behavior, and mechanical properties of Al-Ce-Mg alloys were investigated. Sc-Zr addition refined the grains, suppressed coarse primary Al11Ce3, and changed...
This short study presents the results of micro-Raman investigations performed on the alloy Ti-6Al-4V, which was additively manufactured via metal fused filament fabrication (MF3). Local laser micro-annealing was applied at different power intensities...
In the context of global industrial green transformation and the demand for light-weighting, magnesium alloys, as the most promising lightweight engineering materials, still face limitations due to inherent poor ductility, low strength, and insuffici...
Dielectric spectroscopy is known to be one of the most powerful techniques for studying the ferroelectric and other polar fluids. Since the discovery of ferroelectricity in Liquid Crystals, the technique has successfully been employed for characteriz...
This study presents the effect of partially replacing milled fireclay (3% to 12%) with mineral wool melt centrifugation waste (CWW) in lightweight refractory concrete with cenospheres (CHs). We analyzed hydration heat evolution, mineral composition (...
The early mechanical performance of cement-based repair materials is critical for the rapid rehabilitation of concrete structures and tunnel anchorage engineering. In this study, a reference mixture (ROA) without any accelerator, a general early-stre...
Black titanium dioxide nanoparticles (bTiO2 NPs) have emerged as promising materials for light-driven applications due to their extended optical absorption and reduced environmental concerns compared with heavy-metal-based quantum dots. In this work,...
The effects of post-processing heat treatment on the structural and phase state and hydrogen sorption characteristics of an equiatomic TiZrNbVTa high-entropy alloy produced by mechanical activation and spark plasma sintering were investigated. The po...
Tertiary batteries (TBs), or thermo-rechargeable batteries, have attracted attention as an energy harvesting technology that utilizes changes in ambient temperature. Prussian blue analogues (A-MPBAs; AxM[Fe(CN)6]y, where A and M are Li+ or Na+ ions a...
Crystalline chlorobenzofuroxan (ClBF) exhibits persistent positional isomeric disorder, with 5-ClBF and 6-ClBF sharing the same crystallographic sites. Periodic density functional theory was used to investigate the associated configurational energeti...
Using a liquid metal cooling (LMC) high-gradient directional solidification furnace, this study compared primary dendrite arm spacing (PDAS) for nominal <001> deviation groups of 0°, 20°, and 45° under constant withdrawal rates and...
In the absence of electronic reasons for distortion and with its ligands idealized as spherical, the hexaaquanickel(II) cation may be regarded as a simple example for octahedral metal coordination. In structurally characterized derivatives, the catio...
The dipotassium salt of pyrroloquinoline quinone (PQQK2) is a promising nutraceutical with superior stability compared to its free acid, yet the influence of its solid-state form on solubility and particle morphology has not been explored. In this st...
The diffraction properties of a 2D grating realized with heliconical cholesteric liquid crystal (ChOH) have been studied by extended computer simulation using the finite element method. In particular, the dependence of the diffraction efficiency and...
All-inorganic halide perovskite CsPbBr3 single crystals have become an ideal material for high-performance room-temperature radiation detectors, owing to their advantages of high atomic number, strong X-/γ-ray absorption, high carrier mobility,...
Rails are critical load-bearing components in railway transportation systems, and the quality of their welded joints is essential to operational safety. However, the large variation in rail cross-sectional geometry makes it difficult to achieve suita...
Hot workability of GTD222 nickel-based superalloy was examined by isothermal compression over 1010–1090 °C and 0.01–10 s−1 to a true strain of 1.2. The flow resistance increased as the temperature decreased or the strain rate in...
The thermal field distribution in the vertical gradient freeze (VGF) process strongly influences the formation of dislocations, residual thermal stress, and twins in germanium (Ge) single crystals, and its effective control is essential for reducing...
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