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741
Microstructural Evolution, Strengthening Mechanisms, and Fracture Behavior of Aluminum Composites Reinforced with Graphene Nanoplatelets and In Situ–Formed Nano-Carbides
Published 2025-03-01“…The microstructure and mechanical properties of GNP-reinforced aluminum composites obtained by powder metallurgy and hot extrusion (at 400 °C, 500 °C, and annealing at 3 h at 610 °C), were investigated. …”
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742
On the microstructure and dynamic mechanical behavior of Cu–Cr–Zr alloy manufactured by high-power laser powder bed fusion
Published 2025-05-01“…This study explores high-power laser powder bed fusion (LPBF) processing of Cu–Cr–Zr alloy, focusing on its high strain rate dynamic mechanical response and microstructural evolution. The alloy undergoes significant strain hardening during dynamic impact loading, primarily attributed to intensified dislocation interactions and multiplication. …”
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743
Effects of Heat Treatment and Deformation on Microstructure and Properties of Cu–Ni–Si Alloy/AA8030 Alloy Composite Wires
Published 2024-11-01“…After aging at 450 °C for 60 min, the composite wire exhibited relatively high comprehensive properties, with ultimate tensile strength, elongation, and electrical conductivity values of 253 MPa, 11.1%, and 55.3% IACS, respectively. Microstructural analysis revealed that precipitation and dislocation strengthening played important roles in the aged Cu–Ni–Si alloy cladding, whereas grain boundary and dislocation strengthening contributed to the strength of the AA8030 alloy. …”
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744
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745
Effect of Cyclic Cryogenic Treatment on Wear Resistance, Impact Toughness, and Microstructure of 42CrMo Steel and Its Optimization
Published 2021-01-01“…The results show that after cryogenic treatment, the wear mechanism is the combination of abrasive wear and adhesive wear with oxidative wear, and the fracture mechanism is a quasicleavage fracture. The microstructure was also examined by SEM to investigate the influencing mechanism of cryogenic treatment for improving wear resistance and impact toughness of the steel. …”
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746
Tuning biodegradable Mg–4Sn alloy with Ag addition and heat treatment: Unveiling microstructural, mechanical, and corrosive behaviors
Published 2025-06-01“…Microstructural observations were performed using optical and scanning electron microscopy, while X-ray diffraction analysis was used for phase identification. …”
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747
Effect of process parameters on microstructure and properties of Inconel-718 superalloy fabricated by wire-arc direct energy deposition technique
Published 2025-07-01“…This study investigates CMT + P-based wire-arc DED processing of Inconel-718, focusing on energy density effects spanning 360–540 J/mm on thin-wall geometry, microstructure, and mechanical properties. Energy-dispersive X-ray spectroscopy and XRD analysis reveal that increased energy density expands primary dendrite arm spacing from 4.68 to 18.97 μm and Laves phase area fraction from 3.12 to 8.10 %, correlating with reduced as-deposited tensile strength of 725 ± 45 MPa. …”
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748
Influence of Friction-Stir-Processing Parameters on the Microstructure and Local Mechanical Properties of an Aluminium-6% Magnesium-H18 Alloy
Published 2025-06-01“…EBSD provided misorientation maps and boundary fraction data. Microstructure analysis showed continuous dynamic recrystallization in the nugget zone, with finer grains observed at the higher speed. …”
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749
A critical review on the performance and microstructural characteristics of materials fabricated through friction stir additive methods and deposition techniques
Published 2024-11-01“…This review examines the distinctions between metallic alloys fabricated using friction stir techniques in additive manufacturing, focusing on friction stir additive manufacturing (FSAM) and additive friction stir deposition (AFSD) of aluminium, magnesium, and titanium alloys. The analysis emphasizes the microstructural characteristics and mechanical properties of these alloys. …”
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750
Synergistic effects of Ti–N–B additions on microstructure refinement and toughness enhancement in high-heat-input welded CGHAZ
Published 2025-09-01“…High-heat-input welding enhances construction efficiency but deteriorates toughness in the coarse-grained heat-affected zone due to austenite grain coarsening and brittle microstructures. This study investigates Ti–N–B synergy to mitigate these issues under 400 kJ/cm electrogas arc welding. …”
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751
Evaluation of Microstructure, and Mechanical Properties of Superalloy 59 and 904L Dissimilar welds using Hot Wire Turbo TIG
Published 2025-06-01“…The bead geometry, influenced by capillary action and the Marangoni effect, exhibited a 7 mm crest width, 5.5 mm center width, and 2.6 mm depth. Microstructural analysis through FESEM and EDS revealed a substantial 32.06% Mo-enriched secondary phase in the fusion zone, vital for structural reliability and enhancing weldment mechanical properties. …”
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752
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753
Microstructure and mechanical properties of 7075 aluminum alloy welds by gas tungsten arc welding with trailing ultrasonic rotating extrusion
Published 2024-11-01“…The enhancement in tensile and fatigue resistance of the welded joint was attributed to the strengthening mechanisms associated with these microstructural alterations. Specifically, the ultimate tensile strength exhibited a 20.4% increase, and the elongation at break was elevated by 46.3%. …”
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754
Ultrasound-Induced Changes in Physicochemical, Microstructural, and Antioxidative Properties of Whey-Protein-Concentrate-Encapsulated 3,3′-Diindolylmethane Nanoparticles
Published 2025-02-01“…In conclusion, the ultrasound treatment successfully improved the physicochemical, microstructural, and antioxidative properties of WPC–DIM nanoparticles; therefore, it is considered an effective method to develop whey-protein-concentrate-based DIM nanoparticles for medical and nutritional applications.…”
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755
Effect of Cl substitution on the microstructure, dielectric and optical properties of CaCu3Ti4O12 ceramics
Published 2025-01-01Get full text
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756
Design and investigation on microstructure and properties of Mo-Nb-Ti-V-Si eutectic refractory multi-principal element alloys
Published 2025-07-01“…The design of high-performance refractory multi-principal element alloys (RMPEAs) for elevated-temperature applications requires precise control of eutectic microstructures through composition optimization. In this study, we employed JMatPro software with CALPHAD methodology to predict the solidification paths of (Mo0.7NbTiV0.3)100-xSix (x = 6, 12, 18, and 24) alloys, identifying 18 at.% Si as the eutectic composition through characteristic cooling curve analysis. …”
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757
Effects of three different post-weld heat treatments on microstructure and properties of 7075/6061 friction stir welded joints
Published 2025-08-01“…The strength increase of the STA joint was mainly attributed to the high-density precipitation behavior of Mg2Si phase in the 6061. Texture analysis shows that the SZ of the UP and STA joints have higher and lower shear strain microstructures, respectively. …”
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758
Synergistic Effect of Alccofine as Partial Replacement of Cement and M-Sand as Sand Substitution in Concrete for the Assessment of Mechanical and Microstructural Properties
Published 2025-06-01“…This study examines how Alcofine-1203 affects the microstructure and mechanical characteristics of concrete. …”
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759
Evaluating microstructural and machine learning predictive models for friction drilling of sustainable snail shell reinforced aluminium matrix composites
Published 2025-08-01“…However, higher spindle speeds and inappropriate feed rates resulted in decreased roundness. Microstructural examination reveals different zones across the bush formation during the friction drilling process. …”
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760