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521
Improved properties of near-eutectic nickel silicide alloyed with vanadium, chromium, and carbon in inductively coupled plasma spheroidization for additive manufacturing
Published 2025-08-01“…The Ni-12Si alloy features a Niss-Ni3Si eutectic with a γ-Ni31Si12 phase. Alloying elements refine the microstructure, are present as soluble constituents in the phases, stabilizing the γ-Ni31Si12, and introducing element-rich phase precipitation. …”
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522
TA15/TaZrNb multi-element alloy prepared via diffusion bonding: Tensile-strength model and performance of a representative volume element embedded with a sphere
Published 2025-08-01“…The mechanisms of the microstructural evolution of the TaZrNb/TA15 interface were investigated via SEM, EBSD, EDS, and XRD. …”
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523
Synergistic enhancement of mechanical strength and thermal conductivity in a novel Al-Mg-Si-Zr-Ce alloy fabricated by powder bed fusion-laser beam
Published 2025-08-01“…The original coarse columnar-grained structure of the base alloy was transformed into a bimodal microstructure of equiaxed grains and refined columnar grains for the Zr-modified alloy. …”
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524
Grain refinement mechanism of nitrogen ion implantation in 7075-T651 aluminum alloy: Insights from the cellular automaton method
Published 2025-09-01“…To address this, the present study aims to elucidate the dynamic evolution of the microstructure during nitrogen ion implantation in 7075-T651 aluminum alloy and analyze the influence of target material parameters on grain refinement. …”
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525
A new understanding of micromechanism analysis of gear interference fit failure
Published 2025-05-01“…To address the problem of macroscopic gear shaft matching caused by the micro deformation of sprocket hole in high-speed railway during in their service, the microstructure of the gear before and after operation was analyzed in detail by means of electron back scatter diffraction (EBSD) and transmission electron microscopy (TEM). …”
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526
Enhanced strength-ductility synergy in hybrid additive manufactured Ti–6Al–4V via interlayer friction stir processing assisted laser-directed energy deposition
Published 2025-12-01“…This study proposes a hybrid additive manufacturing (HAM) strategy integrating low-energy density laser-directed energy deposition (L-DED) with a reduced molten pool diameter (∼φ1.5 mm) and friction stir processing (FSP). The microstructure evolution during hybrid additive manufacturing was investigated through multiscale characterisation and thermal field simulation. …”
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527
Investigation into Mg-4.5Al-2.5Zn Mg alloy applying cryogenic treatment and cross-rolling at diverse temperatures
Published 2025-07-01“…In the paper, the Mg-4.5Al-2.5Zn plates were processed by cryogenic treatment after cross-rolling with different temperatures to explore the impact of cross-rolling temperatures and cryogenic treatment on microstructure and mechanical properties. Electron backscatter diffraction (EBSD), transmission electron microscopy (TEM), and scanning electron microscopy (SEM) were used to analyze the mechanisms. …”
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528
Mechanisms of grain refinement and improved kinetic property of nanocrystalline Mg-Ni-La hydrogen storage alloys prepared by nanocrystallization of amorphous
Published 2025-03-01“…Improved activation performance and cycling stability were observed, stemming from grain refinement and excellent microstructural stability. …”
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529
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530
Effect of grain refinement by ECAP on the corrosion resistance of anodic coating of AA6063 prepared by pulse constant voltage anodizing process
Published 2025-05-01“…This study investigates the effects of severe plastic deformation and post-deformation aging treatment of AA6063 substrates on the microstructure, corrosion resistance and hydrophobicity of anodic films prepared using a pulse constant voltage process. …”
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531
Effect of boron addition on Nb(C, N) refinement and dissolution behavior in Super 304H austenitic heat-resistant steel
Published 2025-05-01“…The kinetic analysis using the Johnson-Mehl-Avrami-Kolmogorov (JMAK) model also shows that B addition decreases the activation energy for Nb(C, N) dissolution from 324.1 kJ/mol to 294.7 kJ/mol, which significantly accelerates its dissolution rate. By refining primary Nb(C, N) and accelerating its dissolution, B addition significantly reduces the required homogenization time and improves microstructural uniformity. …”
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532
Laser additive manufacturing of CrFeNb particles reinforced Ni-based superalloy composites with grain refinement and superior performance
Published 2024-11-01“…Laser power bed fusion (LPBF) as a widely used laser additive manufacturing, which has demonstrated a promising capability in the simultaneous formation of high-performance composites with unique microstructure. In order to further meet the urgent needs of aerospace sophisticated equipment, this work investigated the laser additive manufacturing of CrFeNb particles reinforced Ni-based superalloy composites with grain refinement and superior performance. …”
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533
Effect of Nb/B addition on the flow behavior and mechanical properties of low-carbon steel using compact strip production
Published 2025-01-01“…The mean flow stress log data from the CSP line was utilized to determine the no-recrystallization temperature. The microstructure and high-temperature flow behavior were studied using thermomechanical controlled processing at different deformation temperatures with a 40% reduction using the Gleeble physical simulator. …”
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534
Ultra-high specific strength of Mg–Li alloy via rotary swaging
Published 2025-05-01“…This remarkable improvement stems from the formation of a refined nanograin structure. Comprehensive microstructural analysis identifies two primary refinement mechanisms: (1) dislocation-mediated grain subdivision and (2) twin-twin intersection-induced grain refinement, which collectively contribute to the development of nanocrystalline domains. …”
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535
Dual-stage corrosion mechanisms and antibacterial enhancement of Cu-Sn-P alloys with Si and Al microalloying in simulated body fluid
Published 2025-03-01“…The effects of P, Si and Al elements on the microstructure, corrosion properties and antibacterial properties of copper-tin alloys were studied. …”
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536
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537
Analysis and 3D modelling of percolated conductive networks in nanoparticle-based thin films
Published 2025-01-01“…Using the experimental data, virtual films were generated through a data-driven stochastic 3D microstructure model that is based on a sphere packing algorithm, where the particle size distribution, porosity and vertical density profile are taken into account. …”
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538
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539
Investigation of Mechanical Properties of Biodegradable AZ31 Magnesium Alloys with Calcium Addition
Published 2025-05-01“…The mechanical properties and microstructure analysis of AZ31 + x wt.% Ca alloys prove their compatibility for making orthopedic implants in human bone surgery.…”
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540
Processing TiC nanoparticle reinforced aluminum matrix composites in PBF-LB: Powder blending approach, particle sintering, precipitation and grain refinement
Published 2024-12-01“…The presented approach is an effective way to introduce nanoparticles and to refine the microstructure. It can also be adapted to other material systems to modify the grain size and reduce the texture.…”
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