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801
Rolling contact fatigue property of gradient rare earth addition M50 bearing steel with surface nano-grains and its inhibited martensite decay
Published 2024-11-01“…A gradient nanostructured surface layer of ∼600 μm in thickness was prepared on M50 steel with rare earth additions by a surface mechanical rolling treatment. The initial microstructure was refined into nanosized grains (∼29 nm in diameter) in the top surface layer, causing a significant increase of surface hardness. …”
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802
Electron Beam Welding of Copper and Aluminum Alloy with Magnetron Sputtered Titanium Filler
Published 2024-08-01“…Scanning electron microscopy (SEM) was used for the study of the microstructure of the welds. Energy-dispersive X-ray spectroscopy (EDX) was applied to investigate the chemical composition. …”
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803
Advances in Nano-Reinforced Polymer-Modified Cement Composites: Synergy, Mechanisms, and Properties
Published 2025-07-01“…The synergistic effects of nanomaterials—nano-nucleation, pore-filling, and templating mechanisms—refine the microstructure, significantly enhancing the mechanical strength, impermeability, and erosion resistance of NPMC. …”
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804
Modification mechanism of Cu–Al alloy with pre-cladded Al/AlY layers treated by plasma nitriding: Experiments and first-principles calculations
Published 2025-05-01“…The aluminum bronze alloy samples pre-cladded Al/AlY layers were obtained by low-temperature plasma nitriding, and the microstructure and properties of the composite modified layers were investigated. …”
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805
Corrosion resistance of M2 high-speed steels fabricated by electron beam powder bed fusion
Published 2025-08-01“…The effects of input energy density (VED) on relative density, microstructure, and corrosion behavior were systematically investigated, the comparative analysis was conducted on the corrosion resistance between EB-PBF fabricated and wrought M2 HSS in 3.5% NaCl solution (mass fraction). …”
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806
High-temperature alloys: Recent advances from conventional alloys to complex concentrated systems
Published 2025-05-01“…To address hypersonic and deep-space extreme conditions, critical challenges are identified: extending second phase stability beyond 1200 °C, developing thermomechanical-oxidation coupled damage models, and implementing multiscale microstructure regulation. This work establishes a theoretical foundation for designing next-generation alloys with targeted performance under extreme service environments.…”
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807
Erosion resistance performance of marine concrete with red mud, slag and fly ash
Published 2025-07-01“…The effects of slag (GGBS), red mud (RM) and fly ash (FA) on the erosion resistance and microstructure of concrete in seawater were investigated. …”
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808
Process enhancements and wear evaluation of directed energy deposited bronze: Implications for reducing bronze in worm gear manufacturing
Published 2025-01-01“…Comprehensive assessments of porosity, microstructure, and microhardness are conducted on these specimens. …”
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809
Study on the electrochemical corrosion behavior and solderability of SnAgCuNi solder alloy
Published 2025-05-01“…The results demonstrate that the addition of nickel significantly refines β-Sn grains, promotes the formation of the intermetallic compound (Cu,Ni)6Sn5 by partially substituting the Cu6Sn5 phase, and inhibits the lamellar growth of coarse Ag3Sn, thereby enhancing microstructural homogeneity. …”
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810
Ultrasonic Vibration-Assisted Machining Particle-Reinforced Al-Based Metal Matrix Composites—A Review
Published 2025-04-01“…Regarding surface integrity, ultrasonic vibration-assisted machining refines the machined surface’s microstructure, reducing surface defects and residual stress, thereby significantly enhancing the machining quality. …”
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811
Physico-mechanical properties and synergistic hydration mechanism of steel slag-GBFS based alkali-activated composites incorporated with silica fume
Published 2025-05-01“…In the later stages of hydration, the unreacted SF acts as a physical filler, refining the microstructure and improving the comprehensive performance of the composites.…”
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812
Reactive MgO as alkaline activator in slag/fly ash-based strain-hardening cementitious composites for cementless marine engineering
Published 2025-12-01“…The reduced Al/Si ratio of C-A-S-H and the enhanced Mg/Al ratio of hydrotalcite-like were found with the addition of MgO, resulting in the refined microstructure with reduced porosity. Additionally, the developed SH-RMGC showed better material sustainability than the existing alkali-activated/cement-based counterpart. …”
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813
Influence of cryogenic treatment on mechanical and ballistic properties of AA5754 alloy friction stir welded joints
Published 2025-04-01“…The cryogenic treatment refined the grain size (1.05 μm) and enhanced the microhardness (93 Hv). …”
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814
The Discursive Strategies in the Spoken Narratives of Multilingual Sepitori and Sesotho Speakers
Published 2025-04-01“…Narratives were annotated for language complexity in the macro- and microstructure elements: the length and type of clause, pragmatic acts, referential lexical choices and code-switched words. …”
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815
The interaction between dynamic recrystallization and twinning during the hot compression in a novel nickel-based superalloy
Published 2025-03-01“…Isothermal hot compression tests were conducted to obtain true stress-strain curves and the influence of deformation parameters on the microstructural evolution of the NNS alloy was analyzed. …”
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816
Rare-Earth based magnesium alloys as a potential biomaterial for the future
Published 2024-10-01“…These elements significantly refine the microstructure, enhance mechanical properties, and improve corrosion resistance, effectively mitigating some of Mg's inherent limitations. …”
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817
Ionic soil stabilizers for mitigating drying shrinkage in solidified iron tailings: Enabling large-scale road base application
Published 2025-07-01“…Besides, the ISS slightly elevated the total porosity of the stabilized iron tailings by hindering the pozzolanic reaction of fly ash, but can refine the microstructure given the increase of 5–10 nm pores and reduce the surface tension of pore solution. …”
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818
The influence of dynamic deformation on the mechanisms in TWIP steel
Published 2025-05-01“…The aim of this work was to establish a connection between the deformation mechanisms of dislocation slip and twinning with the strain rate and the actual sample temperature related to the plastic deformation work conversion into heat in TWIP steel.Microstructure characterization involved microscopic observation considering light and electron microscopy methods as well as synchrotron analysis. …”
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819
Hot deformation behavior, dynamic recrystallization and precipitation behavior of a novel Er, Zr-microalloyed Al–Cu–Mg alloy
Published 2025-05-01“…The intrinsic relationship between hot deformation behavior and microstructure evolution in Er, Zr-microalloyed Al–Cu–Mg alloy was investigated by isothermal hot compression test. …”
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820
A high-performance TRIP Mg-Sc-Zn alloy enhanced by fine grain strengthening and nano-precipitate strengthening
Published 2024-11-01“…Thus, Zn alloying combined with annealing treatment was used to improve the mechanical properties by modulating its microstructure. Zn alloying can effectively delay the recrystallization rate and refine the grain size of the alloy. …”
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