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2301
Improving the Properties of Laser-Welded Al–Zn–Mg–Cu Alloy Joints by Aging and Double-Sided Ultrasonic Impact Compound Treatment
Published 2021-05-01“…The hardness and tensile properties of the welded components under the different processes were examined via Vickers hardness test and a universal tensile testing machine. …”
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2302
Microstructure, mechanical and corrosion properties of cryorolled-AA5052 at various solution treatment temperatures
Published 2020-01-01“…Mechanical and microstructural characterization of the cryorolled samples with and without ST and the base metal were performed using Vickers hardness tester, universal tensile testing machine, FESEM, EBSD and HRTEM. …”
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2303
Effects of TiB<sub>2</sub> Particles on the Microstructure Evolution and Mechanical Properties of B<sub>4</sub>C/TiB<sub>2</sub> Ceramic Composite
Published 2021-09-01“…The results showed that the relative density, Vickers hardness, and fracture toughness of the composite with 20 wt.% submicron and 10 wt.% nano-TiB<sub>2</sub> were significantly improved, which were 98.6%, 30.2 GPa, and 5.47 MPa·m<sup>1/2</sup>, respectively.…”
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2304
High-pressure linear friction welding of dissimilar AA5052-H34 and AA6061-T6 joint
Published 2023-09-01“…Because dissimilar AA5052/AA6061 joints have metallurgical inhomogeneities and strength mismatches, plastic strain constraints near the weld interface of the soft material inevitably occur during tensile testing. Although the Vickers hardness at the weld interface on the AA5052 side had the lowest value, fracture was suppressed owing to the plastic strain constraint. …”
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2305
PELAPISAN PERMUKAAN BAJA TAHAN KARAT AISI 304 DENGAN KHROM OKSIDA MENGGUNAKAN METODA SPUTTERING
Published 2019-06-01“…Karakterisasi lapisan meliputi pengamatan mikrostruktur menggunakan mikroskop optik, kekerasan dengan microhardness Vickers tester, dan senyawa dalam lapisan dengan X-ray difractometer. …”
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2306
Large scale production of graphene aluminum composites by stir casting: Process, microstructure and properties
Published 2023-11-01“…Compared to its pure aluminum counterpart, the Vickers hardness of the optimal composite sample (with a graphene content of 0.2 wt.%) exhibits a significant increase of 42%. …”
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2307
Highly electro-conductive B4C–TiB2 composites with three-dimensional interconnected intergranular TiB2 network
Published 2023-01-01“…When the particle size of initial B4C powders is 10.29 µm, the obtained B4C–15 vol% TiB2 composite ceramics exhibit an electrical conductivity as high as 2.79×104 S/m and a density as low as 2.782 g/cm3, together with excellent mechanical properties including flexural strength, Vickers hardness (HV), and fracture toughness (KIC) of 676 MPa, 28.89 GPa, and 5.28 MPa·m1/2, respectively.…”
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2308
On the Structural, Thermal, Micromechanical and Tribological Characterizations of Cu-Filled Acrylonitrile Butadiene Styrene Micro-Composites
Published 2023-09-01“…Compared with neat ABS, all the micro-composites showed much higher indentation hardness, Vickers hardness, and indentation elastic modulus. …”
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2309
Improvement of Mechanical Properties of Composites with Surface Modified B<sub>4</sub>C for Precision Machining
Published 2023-01-01“…When the raw material ratio is n(B<sub>4</sub>C): n(Zr): n(Ti) = 12:1:1, the composite ceramics have excellent comprehensive properties, the Vickers hardness reaches 41.2 GPa.…”
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2310
Effect of Cooling Rate on the Microstructure and Mechanical Properties of Al-33 wt.% Cu Alloy
Published 2023-03-01“…In this study, after performing DED with various energy densities, we investigated the changes in the microstructures and Vickers hardness of cast Al-33 wt.% Cu alloy, which is widely used to estimate the cooling rate during processing by measuring the lamellar spacing of the microstructure after solidification. …”
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2311
Sulphate Corrosion Mechanism of Ultra-High-Performance Concrete (UHPC) Prepared with Seawater and Sea Sand
Published 2022-02-01“…We found a transition zone within 1–5 mm of the surface of SSUHPC. The Vickers hardness of mortar in this area was increased by 5~15%, and the porosity was reduced to 3.8489%. …”
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2312
Research on the Microstructure and Mechanical Properties of Repaired 7N01 Aluminum Alloy by Laser-Directed Energy Deposition with Sc Modified Al-Zn-Mg
Published 2023-04-01“…The microstructure and mechanical properties of the repaired specimens were studied through the metallographic microscope, scanning electron microscope, electron backscatter diffraction, universal tensile test, and Vickers hardness test in combination. The results show that the bonding interface of the repaired aluminum alloy is satisfactory, and the porosity is 2.8%. …”
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2313
Investigation of thermal and mechanical properties of Sn-Zn and Sn-Zn- Bi near-eutectic solder alloys
Published 2022-09-01“…The thermal and various mechanical properties of the formed melt-spun ribbons were investigated by dynamic resonance technique, Vickers micro-hardness test under annealing temperatures in the range from 348 K to 448 K. …”
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2314
Critical Influence of the Processing Route on the Mechanical Properties of Zirconia Composites with Graphene Nanoplatelets
Published 2020-12-01“…The mechanical properties at room temperature in the macroscale have been assessed by Vickers indentations, four-point bending tests and the impulse-echo technique, while instrumented indentation was used to measure the hardness and Young’s modulus at the nanoscale. …”
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2315
β→α Phase Transformation and Properties of Solid-State-Sintered SiC Ceramics with TaC Addition
Published 2023-05-01“….% TaC (ST-4) composite ceramic had a relative density of 98.0%, a bending strength of 708.8 ± 28.7 MPa, a fracture toughness of 8.3 ± 0.8 MPa·m<sup>1/2</sup>, an elastic modulus of 384.9 ± 28.3 GPa and a Vickers hardness of 17.5 ± 0.4 GPa.…”
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2316
Effect of an In-Office Bleaching Agent with Surface Pre-Reacted Glass-Ionomer Filler on the Enamel Surface: A In-Vitro Study
Published 2023-07-01“…The surface roughness and the Vickers microhardness of the treated enamel surfaces were evaluated. …”
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2317
Vat Photopolymerization of Cemented Carbide Specimen
Published 2021-12-01“…As mechanical parameters, Vickers hardness and Palmqvist fracture toughness were considered. …”
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2318
Preparation and Thermal Expansion Properties of Zr<sub>2</sub>P<sub>2</sub>WO<sub>12</sub>/Fe-Ni Composites
Published 2016-12-01“…In addition, the hardness of the composites was tested using Vickers hardness instrument and the density of the as-prepared composites was characterized by using drainage method. …”
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2319
Fused Filament Fabrication Three-Dimensional Printing Multi-Functional of Polylactic Acid/Carbon Black Nanocomposites
Published 2021-07-01“…Static tensile, flexural, Charpy’s impact and Vickers microhardness mechanical properties were investigated for the neat and PLA/CB 3D printed nanocomposites. …”
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2320
Evaluation of the effectiveness of bioactive glass fillers against Candida albicans adhesion to PMMA denture base materials: An in vitro study
Published 2022-12-01“…Direct culture method was used to assess C. albicans adhesion. A profilometer and Vickers hardness test were used to measure surface roughness and hardness respectively. …”
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