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Effect of Cr on microstructure and corrosion resistance of copper-nickel alloys fabricated by selective laser melting
Published 2025-08-01“…The influences of Cr mass fraction on the microstructure, mechanical properties, and corrosion resistance of the copper-nickel bulk alloys were systematically investigated by optical microscopy, X-ray diffraction, scanning electron microscopy, energy dispersive spectroscopy, and electrochemical workstation analysis. …”
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223
Microstructure and corrosion resistance of laser powder bed fusion ODS-316L stainless steel
Published 2025-07-01“…Aiming at the development requirements for the cladding materials of the Generation-IV Supercritical Water-cooled Reactors (SCWR), this paper fabricated the oxide dispersion strengthened 316L stainless steel (ODS-316L) by laser powder bed fusion (LPBF) technology and systematically investigated the influence mechanisms of volumetric energy density on the densification behavior, microstructure evolution, and corrosion resistance. The research shows that the uniform dispersion of Y2O3 nanoparticles on the surface of 316L powder can be achieved by ball milling. …”
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224
Mechanical properties and microstructure of plant fiber reinforced BFS-MS geopolymer: an orthogonal design approach
Published 2025-06-01“…The results demonstrated that the optimal parameters for BFS-MS precursors were activator modulus 1.7 and alkali content 0.2. …”
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225
Interactive influence of basalt fibres and pozzolanic additives on the mechanical and microstructural properties of self-compacting concrete
Published 2025-07-01“…The SEM and XRD analysis of the optimized SCC mix reveals improved microstructural properties, showing a densified matrix with better fibre-matrix interaction and the formation of secondary C-S-H products. …”
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226
On the microstructure and corrosion behavior of Fe-28.5Ni steel subjected to severe plastic deformation
Published 2025-01-01“…The research examines how the ARB as a severe plastic deformation technique alters the microstructure and corrosion resistance of this alloy. …”
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227
Microstructure and Mechanical Characterization of AISI 4340 Steel Additively Manufactured by Laser Powder Bed Fusion
Published 2025-04-01“…The effects of laser powder bed fusion (LPBF) parameters, such as power (200 to 350 W) and scan speeds (from 200 to 2000 mm/s), on the microstructure and mechanical properties of high-strength, low-alloy (HSLA) AISI 4340 steel were examined. …”
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228
Finite element simulation of bacterial self-healing in concrete using microstructural transport and precipitation modeling
Published 2025-05-01“…This study presents a finite element modelling (FEM) approach to simulate the diffusion and reaction kinetics of self-healing bacterial agents in concrete microstructures. X-ray micro-computed tomography (Micro-CT) finite element meshes were utilized to accurately represent crack and pore geometries, while the diffusion-reaction equation governing calcium carbonate (CaCO3) precipitation was numerically solved using FEniCS. …”
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Eco-friendly alkali-activated nano concrete: Impact of nano-GGBFS on mechanical and microstructural properties
Published 2025-06-01“…The results show that varying concentrations of nGS enhanced the properties of AANC, with 12 % nGS yielding the best mechanical and microstructural performance. Microstructural studies, including Field Emission Scanning Electron Microscopy (FESEM), X-ray Diffraction (XRD), Energy Dispersive X-ray analysis (EDAX), Fourier Transform Infrared (FTIR), and Thermogravimetric Analysis (TGA), demonstrated superior geopolymerization at this optimal nGS content. …”
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231
Mechanical and microstructural improvements of high-strength lightweight concrete with carbon nanotubes and shale-based aggregates
Published 2025-06-01“…This study investigated the possibility of combining multiwalled carbon nanotubes (MWCNTs) with shale pottery sand (SPC) and shale ceramsite (SC) to improve the mechanical characteristics and microstructure of HSLWC. Workability, mechanical properties (compressive strength under different curing regimes, splitting tensile strength, modulus of elasticity, flexural strength, slump and density), and microstructure were assessed for six different MWCNT contents (0%, 0.02%, 0.05%, 0.1%, 0.15%, and 0.2%, by cement weight). …”
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232
Achieving an ultrastrong yet ductile copper alloy via microstructural heterogeneity with dense ordered nanoprecipitates
Published 2025-08-01“…Here, we employ industrial accessible powder hot extrusion to achieve an ultrafine hierarchically microstructural tailoring of a Cu-17Ni-3Al based alloy, enabling an unprecedented strength-ductility combination (1.1 GPa ultimate strength with 21% elongation). …”
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Phase transformation and microstructure study of the as-cast Cu-rich Cu-Al-Mn ternary alloys
Published 2017-01-01“…Four Cu-rich alloys from the ternary Cu-Al-Mn system were prepared in the electric-arc furnace and casted in cylindrical moulds with dimensions: f=8 mm and length 12 mm. Microstructural investigations of the prepared samples were performed by using optical microscopy (OM) and scanning electron microscopy, equipped by energy dispersive spectroscopy (SEM-EDS). …”
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234
Microstructural and Mechanical Characterization of the Laser Beam Welded SAF 2507 Super-Duplex Stainless Steel
Published 2024-10-01“…The influence of laser beam welding parameters (power, welding rate, focusing, head oscillation, shielding gas) on the microstructure, mechanical properties and corrosion resistance of the super-duplex stainless steel SAF 2507 was studied in this paper. …”
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Analysis of Energy Flow to the Interface Microstructure and Its Effect on Weld Strength in Ultrasonic Additive Manufacturing
Published 2024-10-01“…The stored energy in the grain boundaries of the crystallized grains in the interface microstructure are estimated using the Read–Shockley relationship. …”
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236
Microstructure and Mechanical Properties of 30CrMnSiA Parts Repaired by Laser Cladding
Published 2025-05-01“…30CrMnSiA steel is extensively utilized in specialized tooling components, which frequently experience fatigue fractures and other damage mechanisms under cyclic stress during service.In this work,the laser cladding technology was adopted,and the microstructure and mechanical properties were analyzed based on process experiments.The optimal parameters were selected to perform laser repair on the damaged fork-shaped part of 30CrMnSiA, and its fatigue life was tested by a fatigue testing machine.Results showed that the microstructure within the repair layer was dense.The bonding interface between the repair layer and the base material was a typical metallurgical bonding,and no defects such as cracks occurred.The strength of the weld seam was higher than that of the base metal, and the tensile fracture was basically at the base metal.Besides,the specimen achieved a fatigue cycle count of 606 501,representing a 21.3%improvement in fatigue life compared to standard parts, meeting all operational requirements for specialized tooling components.…”
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237
Effect of light-burned MgO on the microstructure and electrochemical corrosion behavior of carbonatable protective coatings
Published 2025-03-01“…The effects of light-burned MgO on the coating's microstructure and electrochemical corrosion behavior were analyzed through XRD, FTIR, SEM, and electrochemical tests. …”
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Effect of Lanthanum Doping on the Microstructure, Thermal Stability, and CO2 Adsorption Property of ZIF-8
Published 2019-01-01“…The relationship between microstructure stability and macroscopical properties is illustrated. …”
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Study on forming process and microstructure of FeCrAl-ODS alloy by selective laser melting
Published 2025-03-01“…Powder preparation, forming process, microstructure, oxide particles, and precipitates of FeCrAl-ODS (Oxide Dispersion Strengthened) alloy fabricated by Selective Laser Melting (SLM) were systematically studied in this paper. …”
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