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1881
EVALUATION OF MICROSTRUCTURAL AND MECHANICAL PROPERTIES OF THE TI-35NB-7ZR E TI-41,1NB-7,1ZR BIOMEDICAL ALLOYS
Published 2014-03-01“…Ti-35Nb-7Zr in β-solution treated condition posses the lowest value of hardness (157 HV). Vickers hardness values for alloys within 35Nb and 41,1Nb, in the recrystallization condition were very close 161 and 169 HV, respectively. …”
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1882
Dynamic Tensile Extrusion Behavior of Fine-Grained Copper Fabricated by Powder Injection Molding
Published 2022-01-01“…The fragments and remnants were carefully recovered after the DTE tests and examined by electron backscattered diffraction measurement and a micro-Vickers hardness test. A strong dual <001> + <111> texture was developed during the DTE for both FGM and FGH Cu. …”
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1883
Friction Stir Welding-assisted Diffusion Bond of Al/Zn/Mg Lap Joint
Published 2018-03-01“…The microstructure and mechanical properties of the Al/Zn/Mg lap joints were analyzed by means of SEM, EPMA, XRD, tensile experiment and Vickers hardness test. The results show that diffusion layer consists of Al enrichment zone, Al<sub>5</sub>Mg<sub>11</sub>Zn<sub>4</sub> layer and Mg-Zn eutectic zone at proper rotation speed; however, when rotation speed is low, the residual zinc interlayer remains in the diffusion layer; when rotation speed is high, the Al-Mg intermetallic compounds are present again. …”
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1884
In-Situ Reduction of Mo-Based Composite Particles during Laser Powder Bed Fusion
Published 2021-06-01“…The Mo<sub>2</sub>C with network structure was distributed along the boundaries of equiaxed Mo grains, leading to an increased Vickers hardness of the matrix. This study demonstrates the feasibility of fabricating oxygen-free and high-strength refractory parts during L-PBF for ultrahigh-temperature applications.…”
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1885
Influence of Manganese Content on Martensitic Transformation of Cu-Al-Mn-Ag Alloy
Published 2023-08-01“…Austenite and martensite transformations were followed by differential scanning calorimetry and hardness was determined using the Vickers hardness test. It was found that the addition of silver contributes to the formation of the martensite structure in the Cu-Al-Mn-SMA. …”
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1886
A Study on Welding Characteristics, Mechanical Properties, and Penetration Depth of T-Joint Thin-Walled Parts for Different TIG Welding Currents: FE Simulation and Experimental Ana...
Published 2022-07-01“…The mechanical properties of the T-welded joint are explored and assessed combined with the tensile test in terms of yield strength, tensile strength, and Vickers hardness. Furthermore, the effects of different welding currents on welding penetration variation under welding deformation are thoroughly investigated, and the appearance of porosity and incomplete fusion defects of T-welded joints are clearly illustrated. …”
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1887
Microstructure and Properties of Hot Pressing Sintered SiC/Y<sub>3</sub>Al<sub>5</sub>O<sub>12</sub> Composite Ceramics for Dry Gas Seals
Published 2024-03-01“…By means of suitable sintering conditions with the additional amount of YAG of 5 wt%, the sintering temperature of 1950 °C and a pressure of 30 MPa, the resultant SiC/YAG composite ceramics possesses high sintering and mechanical properties with the relative density of 98.53%, the bending strength of 675 MPa, the Vickers hardness of up to 17.92 GPa, and the elastic modulus of 386 GPa. …”
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1888
Investigation of microstructure and mechanical properties of welding metal of A516-Gr70 steel in the presence of TiO2 by SAW method
Published 2021-11-01“…Also, in the case of weld metal hardness, by increasing of TiO2 from 0 to 27.54 gr, it decreases from 190 to 169 Vickers. The results showed that the use of TiO2 powder leads to improvement of mechanical properties, especially failure resistance in welded metal.…”
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1889
Effects of Aluminum Oxide Addition on Electrical and Mechanical Properties of 3 mol% Yttria-Stabilized Tetragonal Zirconia Electrolyte for IT-SOFCs
Published 2022-03-01“…The structure and morphology of the two series of sinters were investigated using XRD and SEM-EDS, their electrical properties were determined using impedance spectroscopy, and their hardness and critical stress intensity factor were measured using the Vickers indentation test. We established that both the amount of alumina and the method used to introduce it into the 3Y-TZP matrix significantly affect the physicochemical properties of the obtained polycrystalline material. …”
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1890
Springback Reduction of Ultra-High-Strength Martensitic Steel Sheet by Electrically Single-Pulsed Current
Published 2022-03-01“…Microstructures and micro-Vickers hardness were observed to confirm the applicability of the single-pulsed current to forming processes in practice. …”
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1891
Interface Microstructure and Properties of Vacuum-Hot-Rolled 55#/316L Clad Rebars
Published 2023-01-01“…The microstructure and mechanical properties of the composite interface of the rebar, along with the connecting technique, were studied using transmission electron microscopy, X-ray diffraction, and Vickers hardness testing. The obtained results showed that the minimum thickness of the 55#/316L rebar cladding was 0.25 mm, which was twice that of the M 329M/M 329-11 design standard used in the United States of America. …”
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1892
Yellowing mechanisms of epoxy and vinyl ester resins under thermal, UV and natural aging conditions and protection methods
Published 2022-10-01“…The resins before/and after aging are characterized to analyze their yellowing index, surface morphology, weight loss, mechanical properties (i.e. modulus and Vickers hardness), glass transition temperature and FT-IR spectra. …”
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1893
Effect of Sucrosomial® Iron and Iron Drop Diluted with Natural Fruit Juice on Microhardness of Primary Enamel
Published 2022-10-01“…After measuring the baseline microhardness by a Vickers hardness tester, the teeth in the three groups were exposed to the respective iron drop solutions at 37°C for 5 minutes. …”
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1894
Microstructural Heterogeneity and Property Variations in Cast and Vacuum Hot-Pressed CoCrPtB Alloy
Published 2024-01-01“…This investigation delved into the interconnection between the secondary dendrite arm spacing (SDAS) in the as-hot-pressed samples and their corresponding attributes, specifically Vickers hardness and magnetic properties. Systematic sampling was conducted on the cross-sectional layer and longitudinal surface. …”
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1895
Quasi-Static Tensile Properties of Unalloyed Copper Produced by Electron Beam Powder Bed Fusion Additive Manufacturing
Published 2021-05-01“…In this study, mechanical properties of unalloyed copper processed by electron beam powder bed fusion are characterized via room temperature quasi-static uniaxial tensile test and Vickers microhardness. Tensile samples were extracted both perpendicular and parallel to the build direction and assigned to three different conditions: as-fabricated, hot isostatic pressing (HIP), and vacuum annealing. …”
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1896
INFLUENCIA DE LOS RECUBRIMIENTOS DÚPLEX SOBRE LAS PROPIEDADES MECÁNICAS Y RESISTENCIA AL DESGASTE DEL ACERO AISI 4140 BONIFICADO
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1897
Microstructure and bending properties of solution-treated Ti-Mo binary alloys for biomedical applications
Published 2022-01-01“…The lowest bending modulus of 74 GPa was seen in 15.05wt% Mo alloy. The Micro-Vickers Hardness of the designed alloys increased extensively with an increase in Mo content. …”
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1898
Optimizing strength and electrical conductivity of Cu–Fe–Ti alloy by pre-aging treatment
Published 2023-09-01“…The alloy was pre-aged at 540 °C for 6 h, then cold rolled with thickness reduction of 80%, followed by aging at 460 °C for 2 h (SARA). Vickers hardness, electronic conductivity and uniaxial tensile tests were conducted to measure the mechanical and electrical conductivity properties. …”
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1899
High-Content Lithium Aluminum Titanium Phosphate-Based Composite Solid Electrolyte with Poly(ionic liquid) Binder
Published 2022-03-01“…Finally, this study also characterized the compression resistance of the composite solid-state electrolyte by testing the Vickers hardness, and the results showed that the hardness of the composite solid-state electrolyte can reach 0.9 ± 0.1 gf/mm<sup>2</sup> at a LATP content of 50 wt.%.…”
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1900
Optimization of TIG Welding Parameters for Ti-6Al-4V Titanium Alloy using the Taguchi Design of Experiment
Published 2022-12-01“…Taguchi’s signal to noise ratios was calculated to obtain optimum welding parameters for Vickers hardness at weld area, Notch tensile strength (NTS), Front bead width (FBW) and Front reinforcement height (FRH). …”
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