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1321
Experimental Study on the Influence of Low Temperature on the Gas Permeability of Granite
Published 2025-05-01“…A further analysis of pore structure evolution and permeability changes revealed distinct degradation mechanisms depending on grain size. …”
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1322
Experimental study on failure law of damaged surrounding rock and its anchorage mechanism
Published 2025-03-01“…Microstructural characteristics of the damaged rock mass were investigated through scanning electron microscope (SEM) analysis, revealing the damage weakening mechanism of the rock. …”
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1323
Exploration of graphitic carbon from crude oil vacuum residue
Published 2024-12-01“…ARA derived carbon and heat-treated materials were analysed by TGA, XRD and Raman spectroscopy to study microstructural changes in formation of graphite like material. …”
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1324
Erosion Resistance of Iron Ore Tailings as Aggregate for Manufacturing of Cement-Based Materials
Published 2025-05-01“…Chloride ion profiles at 0–180 d were analyzed via chemical titration, while X-ray computed tomography (CT) and scanning electron microscopy (SEM) were employed to characterize microstructural evolution. The results demonstrate that IOTC exhibited superior chloride resistance compared to conventional concrete (GC). …”
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1325
Investigation of high-temperature wear behaviour of Mo-alloyed SS316 laser claddings deposited by LDED for heat exchanger tubes
Published 2025-10-01“…This research evaluated the high-temperature wear performance of these composite claddings using ball-on-flat tribological testing under applied loads of 10 and 20 N at 400°C. 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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1326
Research on the disintegration characteristics of fissured loess under water–vibration coupling effect
Published 2025-05-01“…The influence patterns of vibration frequency (f) and fissure type (t) on disintegration rate (S), disintegration velocity (V), and disintegration velocity growth rate ( $$\alpha_{f - t}$$ ) were systematically investigated, with scanning electron microscopy (SEM) employed to uncover microstructural evolution mechanisms. Results indicate that vibration frequency and fissure type significantly accelerate disintegration: V reaches its maximum at f = 20 Hz, and under the same frequency, V increases with the growth of fissure-water contact area. …”
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1327
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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1328
Insight into the nanoscale strengthening mechanism of polycrystalline iron implanted by Cr ions
Published 2025-05-01“…Based on the molecular dynamics (MD) method, the paper aims to explore the nanoscale mechanisms of the polycrystalline iron implanted by Cr ions. The microstructural evolution under implantation is analyzed, and the mechanical properties of different models under nanoindentation are studied. …”
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1329
Development of a novel constitutive model incorporating phase transformation and dynamic recrystallization effects for laser-assisted machining of Ti6Al4V alloy
Published 2025-05-01“…These results not only enhance our theoretical understanding of microstructural evolution under extreme conditions but also provide practical guidelines for optimizing machining parameters in high-performance manufacturing systems.…”
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1330
Constitutive model of metal rubber material considering plastic accumulation behavior
Published 2025-01-01“…Building upon the memory recovery force model and based on the deformation mechanisms of metal rubber, a constitutive model is constructed considering three perspectives: work done to overcome elastic deformation, work done in plastic deformation, and energy dissipation through internal slip friction within the metal wire microstructure, aiming to precisely describe the energy dissipation process of metal rubber. …”
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1331
High-temperature plasticity improvement by La addition during crack inhibition in laser powder bed fusion fabricated Haynes 230
Published 2025-12-01“…This study investigates the high-temperature performance of Laser powder bed fusion (LPBF) – Haynes 230 alloy with trace La addition, addressing the issue of high-temperature ductility loss and establishing the relationship between microstructural evolution and mechanical properties at elevated temperatures. …”
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1332
Enhanced irradiation swelling resistance in low activation Ti8VCrMnFeCu2 high entropy alloys: Exploring the role of heterogeneous nanoparticles
Published 2025-03-01“…This study presents an in-depth analysis on the microstructural evolution of the low-activation Ti8VCrMnFeCu2 alloy under helium irradiation. …”
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1333
Unlocking the potential of trace cobalt in Ni-based superalloys: A molecular dynamics study on dislocation behavior and high-temperature stability
Published 2025-05-01“…These findings offer valuable insights for optimizing the composition and microstructural design of Ni-based single crystal superalloys.…”
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1334
Local plastic deformation in the vicinity of topologically close-packed phases in a Ni-based single crystal superalloy
Published 2025-02-01“…This study sheds light on the intricate interplay between TCP phase formation, microstructural evolution, and mechanical properties in Ni-based superalloys offering valuable insights into the role of the TCP phases.…”
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1335
Differential regulation of primary carbides in high carbon bearing steel using pulsed current to improve corrosion resistance
Published 2025-03-01“…The new method of regulating primary carbides proposed in this study can provide a new way to study the change of corrosion resistance during the microstructural evolution.…”
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1336
TiN-containing high-heat-input welding steels: Optimizing Ti/N ratio and precipitation temperature for enhanced low-temperature impact toughness in coarse-grained heat-affected zon...
Published 2025-05-01“…The effects of Ti/N ratio and TiN precipitation temperature on particle stability, austenite grain refinement, microstructural evolution, and low-temperature impact toughness were systematically investigated through in situ observations via high-temperature confocal laser scanning microscopy, thermodynamic modeling, and scanning electron microscopy. …”
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1337
The influence of grain boundary character distribution on the high-temperature creep behavior and damage mechanism of Inconel 718
Published 2024-12-01“…In this study, the microstructural evolution and creep behaviour of different GBCD alloys were investigated during the creep process at 660 °C and 690 MPa, and the effect of GBCD on high temperature creep behaviour and associated damage mechanism were analyzed from the viewpoints of grain size, recrystallisation and dislocation motion. …”
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1338
Evaluating the Efficacy of Enzyme-Induced Carbonate Precipitation (EICP) for Aeolian Sand Fixation
Published 2025-06-01“…Furthermore, the impact of EICP treatment cycles on the mechanical properties, compressive behavior, and wind erosion resistance of aeolian sand (AS) was systematically evaluated, with microstructural evolution and pore characteristics of cemented specimens analyzed through SEM and X-CT. …”
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1339
Insights into thermos-chemical attack of CMAS+NaVO3 mixtures on YSZ materials: an experimental and computational DFT study
Published 2025-05-01“…Additionally, accelerated precipitation of Y-rich c-ZrO2 grains was exclusively noted in CN-corroded specimen, potentially attributable to the decrease in Y-solubility. Microstructural evolution of YSZ particles in ceramic particles/the melt interaction test indicated an enhanced thermos-chemical corrosiveness of CN, and this phenomenon was further elucidated through a corresponding DFT simulation, which implicated that promoted transport behavior may be the underlying cause.…”
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1340
Dispersion strengthening in Ni–Co–Cr–SiC coatings: Effects of particle-matrix adhesion and dislocation obstruction revealed by multiscale modeling
Published 2025-07-01“…SiC particles significantly enhanced coating performance, achieving a hardness of 878 HV and reducing the wear rate to 0.022 mm3/(N·m) (54 % lower than without addition). Microstructural characterization confirmed predominantly incoherent interfaces between SiC particles and the matrix, with the presence of semi-coherent structures (e.g., SiC(001)[101]//Ni–Co–Cr(111)[101]). …”
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