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  1. 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 by Karol Prałat, Andżelika Krupińska, Marek Ochowiak, Sylwia Włodarczak, Magdalena Matuszak, Justyna Ciemnicka, Artur Koper, Karolina Wójcicka

    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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    Article
  2. 2402

    Tribological and oxidation resistance performance of Ti2AlC MAX-phase generated by reactive spark plasma sintering by Rawaid Ali, Peng Song, Muhammad Khan, Shabir Ali, Majid Rasool Kamli, Jamal S.M. Sabir, Taihong Huang, Ahmed Deifalla, Shakeel, Jiansheng Lu

    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
  3. 2403

    Reactive spark plasma sintering and solid solution strengthening of B4C-NbB2 composite ceramics by TANG Chenjun, LI Qinggui, WANG Dong, JIN Xing, DING Xiang, RAN Songlin

    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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    Article
  4. 2404

    Preventive potential of nano silver fluoride versus sodium fluoride varnish on enamel caries like lesions in primary teeth: in vitro study by Dina I. El-Desouky, Azza Hanno, Yasmine Elhamouly, Sara A. Hamza, Lubna M. El-Desouky, Karin M. L. Dowidar

    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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    Article
  5. 2405

    Preparation and Properties of MgO-Al<sub>2</sub>O<sub>3</sub>-SiO<sub>2</sub> Glass–Ceramics with Controllable Crystalline Phases by Zhen Pei, Haixiao Huang, Xingzhong Guo, Jinming Zhang, Mingxing Chen

    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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    Article
  6. 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... by Andrés Giovanni González, Hélène Ageorges, Oscar Rojas, Esperanza López, Francy Milena Hurtado, Fabio Vargas

    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
  7. 2407

    A comparative study of the structural, elastic, thermophysical, and optoelectronic properties of CaZn2X2 (X = N, P, As) semiconductors via ab-initio approach by Md. Sajidul Islam, Razu Ahmed, Md. Mahamudujjaman, R.S. Islam, S.H. Naqib

    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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    Article
  8. 2408

    Properties of Potassium Doped and Tantalum Containing Tungsten after Heavy Ion Irradiation by Juan Du, Chuan Wu, Tianyu Zhao, Pan Wen, Pinghuai Wang, Jun Tang, Xiang Liu, Jiming Chen

    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
  9. 2409

    Laser powder bed fusion of Alumina/Fe–Ni ceramic matrix particulate composites impregnated with a polymeric resin by Mohammad Azami, Armin Siahsarani, Amir Hadian, Zahra Kazemi, Davood Rahmatabadi, Seyed Farshid Kashani-Bozorg, Karen Abrinia

    Published 2023-05-01
    “…Although the sintering cycle considerably increased the average Vickers hardness, pores were not eliminated entirely. …”
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    Article
  10. 2410

    Fabrication and Characterization of Wire Arc Additively Manufactured AlSi5 Structures by Georgi Kotlarski, Maria Ormanova, Ralf Ossenbrink, Alexander Nikitin, Nikolay Doynov, Stefan Valkov, Vesselin Michailov

    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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    Article
  11. 2411

    Possibilities of Repairing Functional Surfaces of Molds for Injecting Al Alloys Using Manual GTAW Cladding by Janette Brezinová, Miroslav Džupon, Ján Viňáš, Marek Vojtko, Jakub Brezina, Iveta Vasková, Viktor Puchý

    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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    Article
  12. 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 by Xiongwen Xue, Qiang Wang, Xiaoqian Song, Zhaoming Yan, Jie Zheng, Chang Gao, Caihong Yin, Yong Xue

    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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    Article
  13. 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 by Chao Yin, Jianming Ruan, Yong Du, Jianzhan Long, Yingbiao Peng, Kai Li

    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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    Article
  14. 2414

    In Vitro Optical and Physical Stability of Resin Composite Materials with Different Filler Characteristics by Md Sofiqul Islam, Mohannad Nassar, Mohamed Ahmed Elsayed, Dania Burhan Jameel, Thana Tariq Ahmad, Muhammed Mustahsen Rahman

    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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    Article
  15. 2415

    Nanocrystalline high-entropy hexaboride ceramics enable remarkable performance as thermionic emission cathodes by Mengdong Ma, Xinyu Yang, Hong Meng, Zhisheng Zhao, Julong He, Yanhui Chu

    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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    Article
  16. 2416

    Microstructure-property mapping modeling for AZ31 alloy rolling deformation using improved PSO-BP neural network by Shuang Xu, Xiaodi Xu, Weitao Jia, Wenbin Liu, Jialong Li, Dengao Li

    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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    Article
  17. 2417
  18. 2418

    Shot peening and its influence on surface integrity of Ni-based single crystal superalloy by Burhanuddin Mohamed Ali

    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)
  19. 2419

    PENGARUH LAMA KONTAK CAMPURAN KALSIUM HIDROKSIDA-GLISERIN DAN KALSIUM HIDROKSIDA-CHLORHEXIDINE DIGLUCONATE 2% TERHADAP KEKERASAN MIKRO DENTIN PADA SEGMEN SEPERTIGA SERVIKAL SALURAN... by , Andina Rizkia Putri Kusuma, , drg. Ema Mulyawati,MS,Sp.KG (K)

    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
  20. 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 by Perpustakaan UGM, i-lib

    Published 2009
    “…Hardness test was done by using micro Vickers test instrument at identation load of 100 ke V. …”
    Article