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2641
Macroscopic Dynamic Characteristics and Microscopic Simulation of Round Gravel Under Cyclic Loading
Published 2025-05-01“…A series of saturated undrained dynamic triaxial tests are conducted using the DYNTTS large-scale triaxial cyclic test system, and a discrete element (DEM) undrained dynamic triaxial model is established based on indoor experiments to explore the evolution of macroscopic dynamic properties and the internal microstructural dynamic response of round gravel under subway cyclic loading. …”
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2642
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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2643
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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2644
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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2645
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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2646
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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2647
Transportation carbon emission efficiency network formation mechanism and spatial structural complexity analysis: Evidence from China
Published 2025-06-01“…This study employs the super-efficiency SBM model and social network analysis to examine the mechanistic formation of carbon emission networks, emphasizing temporal and gradient distribution patterns of efficiency networks, spatial transfer pathways, efficiency evolution characteristics, and the complexity of microstructures. …”
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2648
Effects of Packaging with Different Oxygen Resistance Materials on the Quality of Fresh Pork
Published 2025-04-01“…To evaluate the effect of different resistance oxygen of packaging materials opposite preservation of fresh meat, pork was packaged with 4 kinds of oxygen resistance grade packaging materials, high (HORP, 1.70 cm3/(m2·24 h·0.1 MPa)), medium (MORP, 23.95 cm3/(m2·24 h·0.1 MPa)), low oxygen resistance (LORP, 1631.44 cm3/(m2·24 h·0.1 MPa)) bags along with oxygen permeable packaging (OPP, 10600.00 cm3/(m2·24 h·0.1 MPa)) in this experiment. …”
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2649
Design and Research on the Preparation of Pervious Concrete Using Carbonized Steel Slag as a Full Component
Published 2025-05-01“…The mechanical performance evolution was investigated, while XRD, SEM, and TG-DTG microcharacterization techniques were employed to reveal the carbonation mechanism and strength formation principles. …”
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2650
Study on the Influence of MnO2 Crystal Phases on Low-Temperature Microwave Catalytic Mineralization of Toluene
Published 2025-08-01“…The catalytic oxidation activity and microwave utilization potential of the different catalysts were evaluated quantitatively, considering both physicochemical and microwave properties. …”
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2651
Boron Phenylalanine-Modified Polydopamine Nanoparticles for Targeted Delivery of Danusertib in Non-Small Cell Lung Cancer
Published 2025-06-01“…The structure, microstructure, particle size, zeta potential, stability, drug loading capacity, loading rate, and in vitro release were characterized. …”
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2652
The way the mistery of the Mattei’s case was solved
Published 2013-04-01“…Results of field explosion experiments are incorporated into the evaluation of microstructural signs possibly induced on metal targets by an unknown explosive event. …”
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2653
An integration study of corrosion and mechanical behaviors of Ti-/Zr-/Hf-doped cobalt-based high-entropy alloys
Published 2025-08-01“…Thermodynamic calculations have been conducted to predict the phase evolution. The effect of two types of processes (homogenization and cryogenic treatment) on microstructures and properties have been comprehensively analyzed. …”
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2654
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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2655
Assessing residual stress and high-temperature mechanical performance of laser-welded P91 steel for fusion power plant components
Published 2025-03-01“…The deformation mechanism is further analysed using tensile testing, where the residual stress effects were prominent in the low-stress field, reducing 6.5% strain evolution, while microstructures reinforced the material in the high-stress field. …”
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2656
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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2657
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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2658
Grain size effects on strain localization and fracture behavior in ferrite–martensite dual-phase steels characterized by digital image correlation analysis
Published 2025-07-01“…In the present study, the underlying mechanism responsible for improved post-uniform elongation through grain refinement was investigated using high-resolution digital image correlation (DIC) and detailed microstructural analysis of micro-void evolution. Two DP microstructures with ferrite grain sizes of 28.9 μm and 11.8 μm were fabricated, exhibiting markedly different local deformation behaviors. …”
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2659
The strength-ductility synergy relating to dislocation behavior in the Ti70-VNbMoCr solid-solution alloys with VEC increasing orderly
Published 2025-05-01“…In the present study, a series of multi-element Ti70-VNbMoCr alloys were designed based on the maximum entropy principle with orderly increasing valence electron concentration (VEC), and the evolution of tensile properties in the alloys was experimentally investigated combing molecular dynamic (MD) modelling. …”
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2660
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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