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2661
Mesenchymal Stem Cell Secretome Effectiveness in Healing Chronic Tendon Injury: Procollagen Analysis and Histopathology in Rat Tendons
Published 2025-04-01“…Histopathological analysis showed no significant differences in collagen alignment or angiogenesis between treatment and control groups.Conclusion: The MSC secretome, particularly the combination of TDSCs and ASCs, may accelerate collagen Type I synthesis and improve tendon microstructure. This suggests their potential for treating chronic tendon injuries. …”
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2662
Probabilistic Modelling of Fatigue Behaviour of 51CrV4 Steel for Railway Parabolic Leaf Springs
Published 2025-02-01“…The present investigation aims to provide a fatigue resistance prediction model encompassing the HCF and VHCF regions for the fatigue design of railway wagon leaf springs, or even for other components made of 51CrV4 with a tempered martensitic microstructure.…”
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2663
Rate-dependent serration behavior of twinning-induced plasticity steel at ultra-low temperature
Published 2024-11-01“…The serration type changes from type A to type C with decreasing strain rate, resulting in a quasi-cleavage fracture at the crack initiation site. Microstructural analysis unveils a correlation between strain rate and the evolution of bundle twins, nano-twins, and ε-martensites. …”
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2664
Behaviors of Oxide Film during Semisolid Brazing of SiCp/6063Al Composite Materials
Published 2018-01-01“…Effects of the temperature on microstructural evolution and deformation behavior of the filler metal, interfacial structure, and shear strength of the bonded joint were discussed, and the disruption behavior of the surface oxide film was studied. …”
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2665
The effects of wetting-drying and freezing-thawing cycles on mechanical properties of biopolymer-fiber treated soil
Published 2025-04-01“…Particular emphasis is placed on mechanical strength characteristics, stress-strain behavior, failure patterns, and associated microstructural evolution encompassing pore structure modifications. …”
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2666
Design and Development of a Bespoke Rotary Friction Welding Machine in Exploration of Joining Dissimilar Materials for Nuclear Applications
Published 2025-01-01“…The workpieces were friction welded at four sets of rotational speeds with constant friction and forging pressures. The microstructural evolution and mechanical properties of the dissimilar material welds were investigated via optical and scanning electron microscopy with energy dispersive spectroscopy, 4-point bend testing and microhardness measurements. …”
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2667
Isothermal Pre-Reduction Behavior of Nchwaning Manganese Ore in H<sub>2</sub> Atmosphere
Published 2023-12-01“…The ore and reduced samples were characterized by XRF, XRD, BET and SEM techniques to outline the H<sub>2</sub> reduction behavior of the ore from mineralogical, microstructural, and chemical points of view. The rate and extent of reduction were studied using the continuous mass changes during the reduction. …”
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2668
Macroscopic perspective on phase transition behavior of natural single-crystal graphite under different pressure environments
Published 2025-01-01“…Despite considerable experimental and theoretical progress, current experimental studies have mainly focused on the local microstructural characterizations of recovered samples, which has certain limitations for high-temperature and high-pressure products, which often exhibit diversity. …”
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2669
Precipitation behavior of Nb in hot-rolled Nb-microalloyed TRIP steel during high-temperature deformation
Published 2015-06-01“…Hot-rolled TRIP steel with 0.038% Nb was thermomechanically processed on a Gleeble simulation test machine. The microstructural evolution and the precipitation behavior of Nb were analyzed by optical microscopy, scanning electron microscopy, and transmission electron microscopy. …”
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2670
Synergetic engineering of SrO vacancies and core‒rim interfacial structures in dielectric Sr1–xBaxTiO3 ceramics
Published 2025-07-01“…High dielectric constant can be reached in a reductive-sintered Sr1–xBaxTiO3 barrier-layer capacitor with core‒rim structures as dominant microstructural features. By SEM and aberration-corrected TEM observations, an interfacial zone between the core and rim, named as white-rim (w-rim), was found always enriched with Ba, while the core was free of Ba solution. …”
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2671
Reactive Spark Plasma Sintering and Oxidation of ZrB<sub>2</sub>-SiC and ZrB<sub>2</sub>-HfB<sub>2</sub>-SiC Ceramic Materials
Published 2024-10-01“…The phase composition and microstructure of the obtained ceramic materials have been subjected to detailed analysis, their electrical conductivity has been evaluated using the four-contact method, and the electron work function has been determined using Kelvin probe force microscopy. …”
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2672
Mechanistic study on mechanical strengthening in As-extruded Mg-xSn (x = 0.5, 2, 4, 6 and 8 wt%) alloys
Published 2025-07-01“…This study systematically investigates the influence of Sn content (0.5–8 wt%) on the microstructural evolution and mechanical properties of as-extruded Mg-Sn alloys. …”
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2673
Influence of initial damage distribution and sinks in fusion materials: A parametric OKMC study of W vs Fe
Published 2025-09-01“…Using long-timescale Object Kinetic Monte Carlo simulations, we systematically investigated the influence of different parameters and temperature on the microstructural evolution of tungsten and iron under irradiation. …”
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2674
Dynamic Radiation Effects Induced by Short-Pulsed GeV U-Ion Beams in Graphite and h-BN Targets
Published 2021-01-01“…The increase of Young’s modulus up to 3 times the pristine value for the highest accumulated fluence of 3 × 1013 ions/cm2 is attributed to the beam-induced microstructural evolution into a disordered structure similar to glassy carbon. …”
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2675
Microscopic mechanism for the effect of temperature on impact resistance of polycrystalline γ-TiAl alloys:A molecular dynamics study
Published 2025-07-01“…The study focuses on three aspects: internal stress, microstructural evolution and dislocation movement. The results show that plastic deformation in γ-TiAl alloys is induced by both slip-induced plasticity and twinning-induced plasticity. …”
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2676
Strength and Pore Structure Development of High-Plasticity Clay Treated with MK-Blended Cement
Published 2019-01-01“…The unconfined compressive strength (fcu) of treated soil mixtures is measured to study the effect of MK replacement. The microstructural study is carried out by mercury intrusion porosimetry (MIP), scanning electron microscopy (SEM), and X-ray diffraction (XRD). …”
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2677
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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2678
Investigating the Digestive Characteristics of Lipid Emulsions with Varying ω-3/ω-6 Ratios Using in Vitro Simulated Digestion Models
Published 2025-06-01“…Changes in particle size, ζ-potential, microstructure, and fatty acid release during the small intestinal phase of digestion were systematically examined in this study. …”
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2679
Design and high strain rate response of a nanostructured bainitic steel for enhanced austenite stability
Published 2025-07-01“…This study investigates the microstructural evolution and mechanical response of a high-silicon nanostructured bainitic steel designed with optimized Mn and Ni contents to enhance the stability of retained austenite (RA). …”
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2680
Effect of High Temperature on Micro-Structure and Mechanical Properties of Fiber-Reinforced Cement-Based Composites
Published 2024-08-01“…In this study, two types of synthetic fibers, polyvinyl alcohol (PVA) and polypropylene (PP), were incorporated into cement mortar to investigate their microstructural evolution at elevated temperatures and their influence on the mechanical properties of the mortar. …”
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