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141
Preparation and characterization of coal-based graphite from Huyan mountain anthracite by high-temperature simulation.
Published 2025-01-01“…This study systematically investigates the graphitization behavior of high-metamorphic anthracite from Huyan Mountain (Shanxi, China) under extreme thermal conditions (2100-3000 °C) through integrated experimental and microstructural analyses. Acid-washed and demineralized coal samples, with or without Fe₂O₃ catalyst, were subjected to controlled thermal treatment to evaluate structural evolution and catalytic effects. …”
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142
Analysis of Shear Crushing Behavior of Graded Calcareous Sand in Building Applications
Published 2025-04-01“…Calcareous sand, a critical construction material in reef engineering and building foundations, possesses unique internal microstructures and inherent mechanical properties. Given these characteristics, it is essential to thoroughly evaluate its strength under various loading conditions to ensure its reliability in building applications. …”
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143
Finite Element Simulation and Process Analysis for Hot-Forming WE43 Magnesium Alloy Fasteners: Comparison of Crystal Plasticity with Traditional Method
Published 2025-04-01“…Comparative analyses with conventional finite element methods reveal that the crystal plasticity finite element method effectively captures the influence of microstructural evolution on macroscopic deformation. …”
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144
Advanced WBG power semiconductor packaging: nanomaterials and nanotechnologies for high-performance die attach paste
Published 2025-07-01“…Furthermore, we examine the reliability of these materials in extreme operating conditions by evaluating their thermal cycling performance, shear strength stability, and microstructural evolution. …”
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145
A Critical Review on the Comparative Assessment of Rare-Earth and Non-Rare-Earth Alloying in Magnesium Alloys
Published 2025-01-01“…This review critically examines and compares the effects of RE and non-RE alloying elements on the microstructural evolution, corrosion resistance, and strengthening implications of Mg alloys. …”
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146
Processibility of Al5356 wire on Al6082 substrate by WAAM using MIGwelding power
Published 2025-09-01“…A water-cooling system was implemented to counteract heat accumulation, significantly improving dimensional stability and reducing porosity. Microstructural evaluations highlighted gradient grain formation: rapid cooling at the substrate interface yielded fine equiaxed grains, while progressive heat accumulation in upper regions promoted coarser columnar structures. …”
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147
Modulating thermo-mechanical properties of lead-free Sn-30Bi TIM by adding In-3Ag alloy
Published 2025-06-01“…In this study, authors therefore investigated the effect of In-3Ag alloy addition to tailoring the thermo-mechanical properties of the Sn-30Bi solder alloy. The microstructural evolution with progressive alloying was studied using both optical and field emission scanning electron microscopy (FESEM). …”
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148
Influence of Laser Energy Variation on the Composition and Properties of Gradient-Structured Cemented Carbide Layers Produced by LP-DED
Published 2025-06-01“…These findings indicate that both WC content and laser energy strongly influence the microstructural evolution and mechanical properties of graded cemented carbide layers. …”
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149
A creep constitutive model for Inconel 718-BNi2 brazed joints incorporating the dynamic interplay between dislocations and γ'' precipitate phases
Published 2025-07-01“…To investigate the creep performance and failure mechanisms of Inconel 718-BNi2 brazed joints under intermediate-temperature and high-stress conditions, this study employs SEM, EBSD, and TEM for microstructural characterization. The results indicate that as the applied load decreases, the fracture mode changes from mixed fracture to brittle fracture, with a critical point near 570 MPa. …”
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150
Investigation of high-temperature wear behaviour of Mo-alloyed SS316 laser claddings deposited by LDED for heat exchanger tubes
Published 2025-10-01“…Microstructural evolution, wear mechanisms, and oxide formation were comprehensively analyzed using FE-SEM, XRD, EDS, and Raman spectroscopy, while surface topography was assessed with 3D non-contact profilometry. …”
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151
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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152
Strength characteristics in saturation process and rainfall-induced landslide failure mechanism of granite residual soil
Published 2025-04-01“…This study investigates the hydro-mechanical behavior of Minqing County (Fujian Province) granite residual soils through direct shear tests and novel meso-structural analysis using scanning electron microscopy (SEM). By systematically evaluating unsaturated, saturated, and continuously saturated states, we quantify the soil’s strength deterioration mechanisms and establish, for the first time, a microstructure-based framework linking saturation-dependent structural evolution to macroscopic shear behavior. …”
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153
Design and Research on the Preparation of Pervious Concrete Using Carbonized Steel Slag as a Full Component
Published 2025-05-01“…The results demonstrate that when CaO and MgO contents reached 5% and 15%, respectively, the 28d compressive strength of mortar increased by 134.49% compared to the reference group. Microstructural analysis confirmed that CaO reacted to form CaCO<sub>3</sub> crystals, while MgO enhanced strength by regulating CaCO<sub>3</sub> crystal morphology to optimize product structure. …”
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154
Dynamic Mechanical Properties and Deformation Mechanisms of Lightweight High-Strength TWIP Steel
Published 2025-03-01“…X-ray diffraction (XRD), scanning electron microscopy (SEM), and electron backscatter diffraction (EBSD) were employed to analyze the microstructural evolution and fracture mechanisms of tensile specimens. …”
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155
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. …”
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156
Microscopic Structure and Strength Variation Patterns of Fiber-Modified Coarse-Grained Sulfate Saline Soil
Published 2025-07-01“…[Objective] This study investigates the mechanical properties and microstructural evolution of coarse-grained sulfate saline soils in the arid inland regions of Northwest China, modified with lignin fiber (LF) and polypropylene fiber (PP). …”
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157
Assessment of industrial waste lignocellulosic fibers as a sustainable additive for improving engineering waste mud
Published 2025-12-01“…Finally, the reinforcement mechanism was revealed by combining mechanical performance and microstructural evolution. The results indicate that the addition of lignocellulosic fibers effectively enhances the mechanical strength and deformation resistance of the reinforced specimens compared to natural mud. …”
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158
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). …”
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159
Research on Interfacial Bonding Property of Modified Fiber Reinforced Concrete and Present Situation Analysis
Published 2022-01-01“…The hydration evolution process,microstructure,and modification mechanism of the matrix in concrete under multi-mineral and polymer hybrid modification need to be studied immediately.Optimal modification methods for different fibers should be proposed according to economical efficiency,construction technology,and modification effect.…”
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160
Intragranular ferrite morphologies in medium carbon vanadium-microalloyed steel
Published 2013-01-01“…These treatments were interrupted at different times in order to analyze the evolution of the microstructure. Metallographic evaluation was done using optical and scanning electron microscopy (SEM). …”
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