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2401
Evaluation of the Possibility of Using 1.4462 and 1.4501 Steel as a Construction Material for Apparatus Operating at an Increased Temperature and with Corrosive Factors
Published 2021-07-01“…In order to determine the differences between the initial state and after individual annealing stages, metallographic specimens were performed, the structure was analyzed using an optical microscope and the micro-hardness was measured using the Vickers method. Potentiostatic tests of the samples were carried out to assess the influence of thermal process parameters on the electrochemical properties of the passive layer. …”
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2402
Tribological and oxidation resistance performance of Ti2AlC MAX-phase generated by reactive spark plasma sintering
Published 2023-09-01“…Mechanical properties were evaluated through Vickers hardness and nanoindentation tests, while tribological properties were examined using wear tests. …”
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Article -
2403
Reactive spark plasma sintering and solid solution strengthening of B4C-NbB2 composite ceramics
Published 2023-07-01“…The relative density, 3-point bending strength, Vickers hardness and fracture toughness of the prepared B4C-Nb0.9Zr0.1B2 composite ceramics reach 99.5%, 676 MPa, 31.0 GPa and 5.5 MPa·m1/2, respectively. …”
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2404
Preventive potential of nano silver fluoride versus sodium fluoride varnish on enamel caries like lesions in primary teeth: in vitro study
Published 2022-06-01“…Specimens were examined for surface microhardness using Vickers microhardness device and lesion depth was evaluated by polarized light microscope using image J 1.46r software. …”
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2405
Preparation and Properties of MgO-Al<sub>2</sub>O<sub>3</sub>-SiO<sub>2</sub> Glass–Ceramics with Controllable Crystalline Phases
Published 2023-08-01“…The MAS glass ceramic with a greater indialite phase has good dielectric properties with a dielectric constant of 6.499 and dielectric loss of 0.0064, while that of a higher spinel phase possesses improved mechanical properties, with a Vickers hardness of 715 Hv and a bending strength of 244.9 MPa.…”
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2406
Efecto de la microestructura y de la microdureza sobre la resistencia al desgaste de recubrimientos elaborados por proyección térmica por plasma atmosférico a partir de circona-alú...
Published 2015-05-01“…La microestructura y la fractura de la sección transversal de los recubrimientos han sido evaluadas mediante microscopia electrónica de barrido (MEB), sus fases han sido analizadas a partir de espectros de difracción de rayos X (DRX), su microdureza ha sido determinada mediante microindentación Vickers y su resistencia al desgaste ha sido evaluada mediante el ensayo de bola-disco. …”
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Article -
2407
A comparative study of the structural, elastic, thermophysical, and optoelectronic properties of CaZn2X2 (X = N, P, As) semiconductors via ab-initio approach
Published 2023-01-01“…The comprehensive analysis of the elastic constants and moduli show that CaZn2X2 (X = N, P, As) compounds possess reasonably good machinability, strongly X-dependent Debye temperature and high Vickers hardness. The phonon dispersion curves and phonon density of states are investigated for the first time for the compounds CaZn2P2 and CaZn2As2. …”
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2408
Properties of Potassium Doped and Tantalum Containing Tungsten after Heavy Ion Irradiation
Published 2023-06-01“…The average grain sizes of WK-1Ta and WK-3Ta are 2.08 μm and 1.51 μm, respectively. The Vickers hardness of WK-3Ta is nearly 20% higher than that of WK-1Ta, both before and after irradiation. …”
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Article -
2409
Laser powder bed fusion of Alumina/Fe–Ni ceramic matrix particulate composites impregnated with a polymeric resin
Published 2023-05-01“…Although the sintering cycle considerably increased the average Vickers hardness, pores were not eliminated entirely. …”
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2410
Fabrication and Characterization of Wire Arc Additively Manufactured AlSi5 Structures
Published 2022-11-01“…The structure of the specimens was studied using X-ray diffraction (XRD) analysis carried out with CuKα radiation with a wavelength of 1.5406 Ǻ, optical microscopy, scanning electron microscopy (SEM), and energy dispersive X-ray spectroscopy (EDX). Furthermore, the Vickers hardness of the samples was determined using a ZwickRoell DuraScan 10/20 G5 unit at a force of 1 N. …”
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2411
Possibilities of Repairing Functional Surfaces of Molds for Injecting Al Alloys Using Manual GTAW Cladding
Published 2022-10-01“…The hardness of the cladding was determined by a metallographic analysis of the cross crowns with the Vickers method. The resistance of the cladding was tested by a complete immersion in a melt of AlSi8Cu3 aluminum alloy which was maintained at a temperature of 680 ± 20 °C in a laboratory resistance furnace for 120 and 300 min. …”
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2412
Influence of a novel SPD technique together with heat treatment on the microstructural characteristics and hardness of Mg-13Gd-4Y-2Zn-0.5Zr alloys
Published 2020-01-01“…The influence of the CEE-AEC together with the heat treatment on the microstructural characteristics and hardness were investigated systematically, through optical microscopy (OM), scanning electron microscopy (SEM), transmission electron microscopy (TEM) and Vickers hardness testing machine. The results illuminated that the introduction of the strains through CEE-AEC has a significant effect on the heat treatment of the specimens. …”
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2413
Effects of Cr<sub>3</sub>C<sub>2</sub>, VC, and TaC on Microstructure, WC Morphology and Mechanical Properties of Ultrafine WC–10 wt. % Co Cemented Carbides
Published 2020-09-01“…. % Cr<sub>3</sub>C<sub>2</sub> had excellent comprehensive mechanical properties. Its Vickers hardness, fracture toughness, TRS and impact toughness were 1620 kg/mm<sup>2</sup>, 9.94 MPa·m<sup>1/2</sup>, 3960 MPa and 50.4 J/m<sup>2</sup>, respectively. …”
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2414
In Vitro Optical and Physical Stability of Resin Composite Materials with Different Filler Characteristics
Published 2023-04-01“…Specimens from the same material were randomly divided into four groups (<i>n</i> = 6) and allocated for Vickers hardness (VH), water sorption, solubility (WS/SL), and staining and aging challenges tests. …”
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2415
Nanocrystalline high-entropy hexaboride ceramics enable remarkable performance as thermionic emission cathodes
Published 2023-11-01“…The results showed that the samples possessed outstanding comprehensive mechanical properties and a high electrical resistivity from room temperature to high temperatures; these were greater than the average values of corresponding binary rare-earth hexaborides, such as a Vickers hardness of 23.4 ± 0.6 GPa and a fracture toughness of 3.0 ± 0.4 MPa•m1/2 at room temperature. …”
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2416
Microstructure-property mapping modeling for AZ31 alloy rolling deformation using improved PSO-BP neural network
Published 2023-07-01“…In the present study, a microstructure-property mapping model based on artificial neural network was proposed to accurately predict the micro-Vickers hardness, 0.2% proof stress and tensile strength of rolled as-casting AZ31 alloy. …”
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2417
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2418
Shot peening and its influence on surface integrity of Ni-based single crystal superalloy
Published 2022“…The effect of the treatment on the surface roughness, surface topography, micro-hardness and crystallographic reorientation was investigated using various techniques and instrumented tests which includes 2D and 3D surface profiling, micro-hardness Vickers test and X-ray diffraction (XRD). It was observed that increasing the shot peening intensity caused higher single crystal surface roughness from 0.0597 (Ra) up to a maximum of 1.4137 (Ra). …”
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Final Year Project (FYP) -
2419
PENGARUH LAMA KONTAK CAMPURAN KALSIUM HIDROKSIDA-GLISERIN DAN KALSIUM HIDROKSIDA-CHLORHEXIDINE DIGLUCONATE 2% TERHADAP KEKERASAN MIKRO DENTIN PADA SEGMEN SEPERTIGA SERVIKAL SALURAN...
Published 2013“…During the treatment period, the subjects were kept in an incubator at 37 ° C. Vickers Indenter Microhardness Tester was used to measure the micro hardness of root canal dentine after direct contact with Ca(OH)2 paste. …”
Thesis -
2420
Pengaruh Implantasi Aln Terhadap Sifat Fisis Dan Mekanis Pada Bantalan Bola Influence Of AIN Implantation On The Fisis And Mechanis Characteristic Of The Ball Bearing
Published 2009“…Hardness test was done by using micro Vickers test instrument at identation load of 100 ke V. …”
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