-
1281
Investigation of crystal structure and chemical bonds characteristics on microwave properties of novel Ca-doped Sr1–xCaxTm2O4 (x=0.025–0.300) ceramics
Published 2025-09-01“…Systematical investigations on the impact of Ca2+ on their microstructures, sintering behaviors, and microwave dielectric properties were detailly conducted. …”
Get full text
Article -
1282
Oxygen Vacancy in Magnéli Phases and Its Effect on Thermoelectric Performances
Published 2025-04-01“…The relationships between the phase evolution, microstructural features, and thermoelectric performance were investigated systematically. …”
Get full text
Article -
1283
Study on mechanism of influence of low temperature freeze-thaw cycle on spontaneous combustion characteristics of coal gangue
Published 2025-09-01“…In order to investigate the influence of the number of freeze-thaw cycles (freeze-thaw) on the spontaneous combustion characteristics of coal gangue, this study simulated the alpine environment and examined the spontaneous combustion characteristics of coal gangue after undergoing multiple freeze-thaw cycles. The evolution of the macro-oxidative exothermic properties and microstructural characteristics of the gangue during the freeze-thaw cycles were analyzed by X-ray diffraction (XRD), low-temperature N2 adsorption (LTNA), programmed temperature-expanded oxidation (PTO), thermogravimetric analysis (TGA), and Fourier transform infrared spectroscopy (FTIR), and other experimental means. …”
Get full text
Article -
1284
Research on the macro-microscopic mechanical characteristics and correlations of warm frozen soil under dynamic and static loads
Published 2025-08-01“…Finally, Micro-CT technology is applied to observe the microstructural changes and microcrack development in warm frozen soil under both static and dynamic loads. …”
Get full text
Article -
1285
Sustainable one-part engineered geopolymer composite with thermal insulation in coastal region: Utilizing red mud dual-function as precursor and activator
Published 2025-12-01“…Microstructural analysis revealed that increased RM incorporation and reduced alkali suppressed geopolymerization gel formation, compromising matrix densification while rarely affecting fiber-matrix interfacial bonding. …”
Get full text
Article -
1286
Dynamic tensile mechanical properties and damage fracture mechanisms of saturated frozen sandstone
Published 2025-06-01“…Furthermore, the micro-damage evolution is closely linked to freezing temperature, being affected by internal moisture conditions, the material’s brittle–ductile transition behavior, and its microstructural characteristics.…”
Get full text
Article -
1287
Research Progress on Microwave Synthesis of 3d Transition Metal (Mn, Fe, Co, and Ni) Oxide Nanomaterials for Supercapacitors
Published 2025-04-01“…These effects enable precise microstructural tuning, leading to an increased specific surface area and a higher density of active sites, ultimately enhancing specific capacitance, rate capability, and cycling stability. …”
Get full text
Article -
1288
Spark plasma sintering of a novel Mg-0.7Ca alloy: A comprehensive study
Published 2025-03-01“…The effects of process parameters such as sintering time and additive type on the microstructural evolutions, phase arrangements, and mechanical and physical properties of the consolidated materials were investigated through various characterization techniques. …”
Get full text
Article -
1289
Multiscale Characterization of Thermo-Hydro-Chemical Interactions Between Proppants and Fluids in Low-Temperature EGS Conditions
Published 2025-07-01“…This study systematically investigates the response of commercial proppants to coupled thermo-hydro-chemical (THC) effects, focusing on chemical stability and microstructural evolution. Four proppant types were evaluated: an ultra-low-density ceramic (ULD), a resin-coated sand (RCS), and two quartz-based silica sands. …”
Get full text
Article -
1290
Phase Stability and Solidification of 9Cr-ODS Alloys for Wire Additive Manufacturing: A Computational Approach
Published 2025-06-01“…While these materials offer remarkable thermomechanical properties, challenges remain in optimizing their phase stability and microstructural evolution during additive manufacturing processes such as Wire Arc Additive Manufacturing (WAAM) and Plasma Additive Manufacturing (PAM). …”
Get full text
Article -
1291
Three-dimensional photoluminescence imaging of threading dislocations in GaN by sub-band optical excitation
Published 2025-01-01“…Galvanometric-driven PL imaging allows the microstructure of hundreds of devices to be characterized in a single session, enhancing the screening process through the addition of device specific TD location tracking and density mapping. …”
Get full text
Article -
1292
Low cycle fatigue behavior and deformation mechanism of Ti–6Al–4V-0.55Fe alloy under the control of strain and stress amplitudes
Published 2024-11-01“…Based on the results of this alloy under strain amplitudes and the corresponding stress amplitudes, the effect of tension-compression asymmetry (TCA) on fatigue behavior and microstructure evolution was systematically discussed with transmission electron microscopy (TEM) and electron backscatter diffraction (EBSD). …”
Get full text
Article -
1293
Enhanced insulation properties of AFEP via constructing one-dimensional ZnO nanostructures
Published 2025-07-01“…This improves the interface bonding between aramid fibers and epoxy resin, further boosting the composite material's insulation performance. The microstructure evolution of the fiber surface is verified through microscopic characterization, and the influence of different construction parameters (concentration, time) on the insulation performance. of the AFEP composite is investigated via electrical performance testing. …”
Get full text
Article -
1294
Hot deformation behavior, dynamic recrystallization and precipitation behavior of a novel Er, Zr-microalloyed Al–Cu–Mg alloy
Published 2025-05-01“…The intrinsic relationship between hot deformation behavior and microstructure evolution in Er, Zr-microalloyed Al–Cu–Mg alloy was investigated by isothermal hot compression test. …”
Get full text
Article -
1295
A multi-component diffusion multiple approach based synergistic regulation of γ' phase stability and mechanical properties in CoTiVNi-based superalloys
Published 2025-05-01“…Enhanced fuel efficiency and engine performance have driven interest in Co-based superalloys reinforced by coherent γ′ dispersed in the matrix with low stacking fault energy (SFE). However, poor microstructure stability due to thermodynamically unstable γ′ phases limits their application. …”
Get full text
Article -
1296
Understanding the creep behaviors and mechanisms of Mg-Gd-Zn alloys via machine learning
Published 2024-08-01“…However, the multiple alloying elements and various heat treatment conditions, combined with complex microstructural evolution during creep tests, bring great challenges in understanding and predicting creep behaviors. …”
Get full text
Article -
1297
Electron microscopy data on irradiation effects in glassy carbon, nuclear graphite, pyrolytic carbon, and carbon fibersMendeley Data
Published 2025-10-01“…In situ electron irradiation experiments further illustrate the real-time microstructural evolution of glassy carbon during exposure. …”
Get full text
Article -
1298
Influence of pre-strain on inelastic recovery and shape memory property of metastable Ti–10V–2Fe–3Al alloy
Published 2025-05-01“…The microstructure evolution, inelastic recovery and shape memory effect of the solution treated metastable Ti–10V–2Fe–3Al (Ti-1023) alloy under tensile loading-unloading deformation were investigated. …”
Get full text
Article -
1299
Synthesis, Structure, and Electrophysical and Electrochemical Properties of Novel Composite La<sub>0.9</sub>MnO<sub>3</sub>-LaFeO<sub>3</sub>
Published 2024-12-01“…X-ray diffraction (XRD) analysis revealed a polycrystalline, biphasic perovskite structure combining both hexagonal and cubic symmetry. The microstructure and elemental composition, examined using field emission scanning electron microscopy (FESEM), indicated an average particle size of approximately 186.9 nm. …”
Get full text
Article -
1300
Atomic-Scale Study on the Composition Optimization and Deformation Mechanism of FeNiAl Alloys
Published 2025-04-01“…During tensile deformation, this alloy demonstrates a complex microstructural evolution, including dislocation slip, phase transformations, and deformation twinning. …”
Get full text
Article