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  1. 1761

    Study the effect of Welding Current on the microstructure and strength of dissimilar weld joint AISI 303/AISI 1008 by Firas Hameed

    Published 2021-03-01
    “…The optical microscope V83MC50 was used to show microstructure properties while both the micro-Vickers Hardness and tensile test were adopted to evaluate the mechanical properties. …”
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    Article
  2. 1762

    Surface Integrity of Dimethacrylate Composite Resins with Low Shrinkage Comonomers by Jingwei He, Sufyan Garoushi, Eija Säilynoja, Pekka Vallittu, Lippo Lassila

    Published 2021-03-01
    “….% of the resin matrix. A Vickers indenter and glossmeter were used for testing surface hardness (SH) and gloss (SG) at 60°. …”
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    Article
  3. 1763

    Effect of Stress-Relieving Heat Treatment on the High Strain Rate Dynamic Compressive Properties of Additively Manufactured Ti6Al4V (ELI) by Amos Muiruri, Maina Maringa, Willie du Preez, Leonard Masu

    Published 2020-05-01
    “…Microstructural analyses were performed to study the failure mechanisms of the deformed specimens and fracture surfaces. Vickers microhardness test values were obtained before and after high strain rate compression testing. …”
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    Article
  4. 1764

    Destruction of mesoscopic chemically modulated domains in single phase high entropy alloy via plastic deformation by Yoji Miyajima, Tomohiro Nagata, Kohei Takeda, Shuhei Yoshida, Satoshi Yasuno, Chihiro Watanabe, Ishikawa Kazuhiro, Hiroki Adachi, Nobuhiro Tsuji

    Published 2022-10-01
    “…The mesoscopic domains are deformed and shrieked, and finally destructed by plastic deformation, which is supported by the comprehensive observations/measurements, such as electrical resistivity, Vickers hardness, electron backscattering diffraction, and hard X-ray photoemission spectroscopy. …”
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    Article
  5. 1765

    Numerical Simulation of Wire Rod Cooling in Eutectoid Steel under Forced-Convection by Monserrat Sofía López-Cornejo, Héctor Javier Vergara-Hernández, Sixtos Antonio Arreola-Villa, Octavio Vázquez-Gómez, Martín Herrejón-Escutia

    Published 2021-01-01
    “…The model results were compared and validated with the experimental histories, obtaining a good agreement between both responses, while the microstructural evolution of the pearlite was validated using Scanning Electron Microscopy (SEM) and Vickers microhardness. It was found that specimen diameter and air velocity are the main variables to modify the undercooling and therefore the pearlite interlamellar spacing.…”
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  6. 1766

    Preparation and Evaluation of Cu-Zn-GNSs Nanocomposite Manufactured by Powder Metallurgy by A. T. Hamed, E. S. Mosa, Amir Mahdy, Ismail G. El-Batanony, Omayma A. Elkady

    Published 2021-11-01
    “….% Zn had a more homogeneous microstructure, low porosity, higher Vickers hardness, and compression strength, while the composite contained 15 wt.% Zn recorded the lowest wear rate. …”
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    Article
  7. 1767

    The Effects of Three Remineralizing Agents on the Microhardness and Chemical Composition of Demineralized Enamel by Ivan Salinovic, Zdravko Schauperl, Marijan Marcius, Ivana Miletic

    Published 2021-10-01
    “…Analysis of the microhardness of the specimens’ enamel surfaces was carried out via the Vickers method, and by scanning electron microscopy/energy dispersive X-ray spectroscopy (SEM/EDS). …”
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  8. 1768

    Effect of vegetable oil quenchants on the properties of aluminum during solution heat treatment by J.K. Odusote, A.S. Adekunle, A.B. Rabiu

    Published 2015-06-01
    “…Tensile strength and hardness tests were carried out using an Instron Universal Tester and Vickers hardness methods, respectively. The results showed that palm kernel oil cools faster at 200 °C and 250 °C, while palm oil and shea butter oil quench faster at 300 °C and 350 °C, respectively. …”
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    Article
  9. 1769

    Microstructure, thermo-physical and mechanical properties of hypereutectic Al–10Ni-xSi alloys by Liling Mo, Xiong Zhou, Mingxian Lin, Yu-Jun Zhao, Jun Du

    Published 2024-03-01
    “…The alloy with 15 wt% Si exhibits the TC of 162 ± 3 W/(m·K) at 25 °C, CTE of 14.3 ± 0.1 × 10−6/K (@25–100 °C), UTS of 205 ± 5 MPa, EI of 3.9 ± 0.1% and Vickers hardness of 186 ± 4 HV. We successfully obtained an as-cast Al alloy with excellent thermo-physical and favorable mechanical properties, potentially for thermal management materials.…”
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  10. 1770

    Evaluation of Microhardness and Microleakage of CEM Cement after Adding Water to Semi Setting Cement by Mehdi Tabrizizadeh, Fatemeh Ayatollahi, Fatemeh Valizadeh

    Published 2023-10-01
    “…The microhardness of the samples was measured with Vickers device after mounting in acrylic resin. Statistical analysis was performed using SPSS19 software and Mann-Whitney Kruskal-Wallis and one-way ANOVA tests. …”
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  11. 1771

    Effects of Thermal Fatigue on Laser Modified H13 Die Steel by Fazliana Fauzun, S.N. Aqida, S. Naher, D. Brabazon, F. Calosso, M. Rosso

    Published 2014-06-01
    “…The metallographic study was conducted using an optical microscope for laser modified layer thickness and grain size and the hardness properties were measured using a Vickers indenter. Erosion occurred from the sample after 3500 cycles. …”
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  12. 1772

    The effect of nanobased irrigants on the root canal dentin microhardness: an ex-vivo study by Safoora Sahebi, Hossein Mofidi, Abbas Abbaszadegan, Ahmad Gholami, Fateme Eskandari

    Published 2023-08-01
    “…They were randomly allocated to 5 groups (n = 16) and irrigated with ZnONPs, AgNPs, Im-AgNPs, NaOCl, or normal saline (as the negative control) for 15 min. The Vickers Hardness Number (VHN) was measured on each root canal third before and after being soaked in irrigants. …”
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  13. 1773
  14. 1774

    The Effect of Two Different Light-Curing Units and Curing Times on Bulk-Fill Restorative Materials by Gokcen Deniz Bayrak, Elif Yaman-Dosdogru, Senem Selvi-Kuvvetli

    Published 2022-05-01
    “…SMH was evaluated using a Vickers hardness tester, CS was tested using a universal testing machine, and VS was measured using video imaging. …”
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  15. 1775

    Continuous SiC Skeleton-Reinforced Reaction-Bonded Boron Carbide Composites with High Flexural Strength by Qian Xia, Shihao Sun, Jun Ye, Cuiping Zhang, Hongqiang Ru

    Published 2023-07-01
    “…Using PEI-dispersed CB powders as additional carbon source, the composites’ flexural strength, fracture toughness, and Vickers hardness reach up to 470 MPa, 4.6 MPa·m<sup>1/2</sup>, and 22 GPa, which were increased by 44%, 15%, and 10%, respectively. …”
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  16. 1776

    Exploring the Effect of Cetylpyridinium Chloride Addition on the Antibacterial Activity and Surface Hardness of Resin-Based Dental Composites by Sara Khan, Faiza Amin, Rafat Amin, Naresh Kumar

    Published 2024-02-01
    “…A total of two hundred and seventy (<i>n</i> = 270) specimens from Filtek Z250 Universal and Filtek Z350 XT flowable RBDCs were fabricated with the addition of CPC at 2 %wt and 4 %wt concentrations to assess their antibacterial activity using the agar diffusion test and direct contact inhibition test, and their surface hardness using the Vickers microhardness test after 1 day, 30 days, and 90 days of aging. …”
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  17. 1777

    Influence of Heat Treatment Parameters on the Microstructure of 17-4 PH Single Tracks Fabricated by Direct Energy Deposition by Mattia Merlin, Cindy Morales, Matteo Ferroni, Annalisa Fortini, Chiara Soffritti

    Published 2024-01-01
    “…Optical microscopy, X-ray diffractometry, and transmission electron microscopy were used to investigate the microstructure evolution induced by the PFHTs. Moreover, Vickers microhardness measurements were performed to evaluate the increase in mechanical strength. …”
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  18. 1778

    In vitro effects of erosive challenge on the surface properties of sealants by Isabella Cavalcante Medeiros, Bruna Palmeira Costa, Brenna Louise Cavalcanti Gondim, Hugo Lemes Carlo, Rogério Lacerda Santo, Fabíola Galbiatti Carvalho

    Published 2016-09-01
    “…Aim: To assess in vitro the surface roughness (Ra), Vickers hardness (VHN) and surface morphology of resin and glass ionomer materials used for sealants after dynamic erosive challenge. …”
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    Article
  19. 1779

    Effects of Solid-Solution Carbon and Eutectic Carbides in AISI 316L Steel-Based Tungsten Carbide Composites on Plasma Carburizing and Nitriding by Shinichiro Adachi, Takuto Yamaguchi, Keigo Tanaka, Takashi Nishimura, Nobuhiro Ueda

    Published 2023-07-01
    “…Both the single carburizing and continuous processes are effective in improving the Vickers surface hardness and corrosion resistance of the composite layers despite containing the solid-solution carbon and eutectic carbides.…”
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  20. 1780

    The In-Situ Mechanical Properties of Carbon Fiber/Epoxy Composite under the Electric-Current Loading by Runtian Zhu, Xiaolu Li, Cankun Wu, Longji Du, Xusheng Du

    Published 2022-10-01
    “…Such results could be explained that the higher current loading, the larger Joule heat, led to the higher operating temperature of the composite samples and the evolution of their mechanical properties accordingly. Vickers hardness tests indicated that the micro-hardness of the composite decreased with the increase of the operating temperature, which coincided with the evolution of its flexural properties with the electric-current loading. …”
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