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Experimental Study on Silt Stabilization Using Alkali-activated Rice Husk Ash Geopolymer
Published 2025-05-01“…X-ray diffraction (XRD) was used to analyze the composition of hydration products, and scanning electron microscopy (SEM) was employed to characterize the microstructural evolution, systematically revealing the “activation-cementation-strengthening” mechanism.…”
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1222
Molecular Dynamics Simulation of the Effects of Methane Hydrate Phase Transition on Mechanical Properties of Deep-Sea Methane Hydrate-Bearing Soil
Published 2021-01-01“…In this paper, the methane hydrate phase transition process in deep-sea methane hydrate-bearing soil under heating and compression was simulated by the molecular dynamics method. The evolution of deep-sea methane hydrate-bearing soil’s microstructure, system energy, intermolecular interaction energy, and radial distribution function during heating and compression was investigated. …”
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1223
The Influence of Different Foaming Agents on the Properties and Foaming Mechanisms of Foam Ceramics from Quartz Tailings
Published 2025-06-01“…The effects of different foaming agents (SiC, CaCO<sub>3</sub>, and MnO<sub>2</sub>) on the phase evolution, microstructure, pore size distribution, and physical properties of the foam ceramics were investigated, and the foaming mechanisms were elucidated. …”
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1224
Influence of Al Content on Degradation Behavior of Cu-Doped Mg-Al Alloys for Drill-Free Plugging Applications
Published 2020-01-01“…The phase composition and microstructure of fabricated alloys were characterized by using a scanning electron microscope (SEM) and X-ray diffractometer (XRD). …”
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1225
Improving dynamic mechanical properties and inhibiting adiabatic shear bands of the molybdenum single crystal by adding Nb element
Published 2024-11-01“…In this work, a new approach was proposed to improve mechanical properties and inhibit the formation and propagation of the adiabatic shear band in the pure Mo single crystal. The microstructure evolution of the pure Mo and Mo-Nb single crystals subjected to the dynamic load was investigated by EBSD and TEM. …”
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1226
Optimizing Dielectric Constant in Tetragonal BaTiO3 Via Densification, Tetragonality, and Grain Growth Kinetic with Sintering Temperature
Published 2025-06-01“…Their densification and microstructure evolution were examined to determine the dielectric constant as a function of temperature (25-150°C) and frequency (102-107 Hz). …”
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Crystal Plasticity Elastic-Plastic Rate-Independent Numerical Analyses of Pollycrystalline Materials
Published 2023-02-01“…Macroscopic analyses of plastic forming processes give only the overall description of the problem without the consideration of mechanisms of plastic deformation and the microstructure evolution. For the consideration of these processes, numerical simulations within crystal plasticity include the change of texture, anisotropy, and strain hardening of the material are used. …”
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1230
Interfacial reaction and mechanical properties of Sn–Bi Cu core solder joints
Published 2024-11-01“…Sn–Bi solder, considered to be a lead-free solder that can be used in the packaging of heat-sensitive devices, has been attracting increasing attention from researchers due to its excellent mechanical properties. The microstructure evolution, interfacial reaction, shear properties, and fracture behavior of Sn–Bi Cu core solder joints during reflow and thermal aging processes are investigated in this study. …”
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1231
Effect of preweld conditions on the strain ageing cracking susceptibility of IN939 superalloys heat affected zone
Published 2025-05-01“…The SAC sensitivity influencing factors including microstructure evolution, phase precipitation behavior of IN-939 superalloys were analyzed by electron probe micro analyzer (EPMA)、in-situ and exit-situ TEM test. …”
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1232
Study on the mechanical properties and mesoscopic damage mechanism of recycled aggregate concrete under different dynamic strain rates after freeze-thaw cycles
Published 2025-07-01“…Methods such as scanning electron microscopy (SEM) and acoustic emission (AE) were adopted to analyze the microstructure of the specimens and the development process of microcracks. …”
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1233
Vacuum semi-continuous induction melting for large-scale fabrication of titanium ingots
Published 2025-09-01“…The results reveal remarkable uniformity in the elemental distribution and microstructural evolution of the fabricated ingots, with maximum compositional deviations limited to 0.102 wt% for Al and 0.088 wt% for V. …”
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1234
Influence of Reflow Cycles of the Pb–Free/Pb Hybrid Assembly Process on the IMCs Growth Interface of Micro-Solder Joints
Published 2025-05-01“…However, constrained process compatibility during single or multiple reflow protocols amplifies structural heterogeneity in solder joints and accelerates dynamic microstructural evolution, thereby elevating interfacial reliability risks at solder joint interfaces. …”
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1235
K-Ar illite-mica age constraints on the formation and reactivation history of the El Doctor fault zone, central Mexico
Published 2018-01-01“…The mesostructural and microstructural analyses, supported by K-Ar geochronologic data, permitted reconstruct of the crystallization history of phyllosilicate phases related to the tectonic activity of the shear zone. …”
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1236
Bio-inspired widening concrete using cellulose nanofiber to enhance multiscale Fiber–Matrix interface
Published 2024-11-01“…Experimental investigations were carried out to assess the bond splitting tensile strength, diagonal shear strength, crack resistance, development of drying shrinkage deformation, and the propagation behavior of restrained shrinkage-induced cracks in both new and old concrete reinforced with single and hybrid combinations of BF, PP fiber, and CNF. The microstructure, phase composition, and pore structure evolution of BF, PP fiber, and CNF-reinforced concrete were observed and analyzed using scanning electron microscopy, thermogravimetric and derivative thermogravimetric analysis, nuclear magnetic resonance, and mercury intrusion porosimetry. …”
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1237
Acoustic absorption of 3D printed samples at normal incidence and as a duct liner
Published 2025-01-01“…The materials have a periodic microstructure, consisting either of a single network of spherical or cubic cavities connected by cylindrical channels or of a double-nested network. …”
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1238
Electric pulse improving the plasticity of the HAl66-6-3-2 alloy by promoting the formation of specific oriented texture
Published 2025-05-01“…The study demonstrates EPT can promote the movement of atoms and regulate the microstructure, which is of great significance for the subsequent control of alloy properties.…”
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1239
Study on acoustic emission characteristics under compression and fractal dimension of pore structure of polyvinyl alcohol fiber engineered cementitious composites
Published 2024-12-01“…ECC developed from brittle damage to ductile damage. In terms of microstructure and durability, ECC with 1% PVA volume content had the best impermeability and pore structure fractal characteristics, and PVA had a great influence on the fractal characteristics of transition pores and capillary pores. …”
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Effect of acidification on micro structure and adsorption characteristics of coal
Published 2025-06-01“…To investigate the changes in the microstructure of coal under acidification and the mechanism of their impact on coal adsorption characteristics, low-temperature nitrogen adsorption experiments, infrared spectroscopy experiments, and isothermal adsorption experiments were conducted on coal samples before and after hydrofluoric acid treatment. …”
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