Showing 1,381 - 1,400 results of 2,850 for search '"Vickers"', query time: 0.12s Refine Results
  1. 1381

    PENGARUH POST-TREATMENT PLASMA CVD LAPISAN DIAMOND-LIKE CARBON TERHADAP SIFAT KEKERASAN PERMUKAAN BAJA AISI 410 by Wahyu Anhar, Nurwahidah Jamal, Suprapto Suprapto

    Published 2017-04-01
    “…Surface hardness test is used by Vickers microhardness tester. Cross-section microstructure and chemical compositions are examined by scanning electron microscopy coupled with energy dispersive spectroscopy. …”
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    Article
  2. 1382
  3. 1383

    An Enamel Based Biopolymer Prosthesis for Dental Treatment with the Proper Bond Strength and Hardness and Biosafety by Morakot Piemjai, Patcharee Santiwarapan

    Published 2022-01-01
    “…An experimental biopolymer, hybridized enamel, was synthesized and utilized as a dental prosthesis to compare hardness and tensile bond strength (TBS) with those of commercial materials. Vickers hardness (VHN) with a 100 g loading for 15 s at eight indentations on each specimen (<i>n</i> = 20) was measured. …”
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  4. 1384

    Synthesis and characterisation of ultra-hard and lightweight AlMgB14–xTiB2 composites for wear-resistance and ballistic protection by Varužan Kevorkijan, Srečo Davorin Škapin, Danilo Suvorov

    Published 2015-03-01
    “…A microhardness of 29.4GPa in hot pressed AlMgB14 and a maximum Vickers hardness of 30.2 GPa in hot pressed samples of AlMgB14 reinforced with 70 wt% of TiB2 particles (d50=4,1µm) was achieved. …”
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    Article
  5. 1385

    The influence of different heat treatment cycles on the properties of the steels HARDOX® 500 and STRENX® 700 by Bruno Gallina, Luciano Volcanoglo Biehl, Jorge Luis Braz Medeiros, José de Souza

    Published 2020-06-01
    “…The effects of these heat cycles were analyzed by optical microscopy and Vickers microhardness techniques. It was concluded that in the normalization treatment, the microhardness reduction of HARDOX® was more significant than that one of STRENX®. …”
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    Article
  6. 1386

    Effect of the manual manipulation of composite resin with latex gloves. by Romina Ñaupari-Villasante, Johanna Cuadros-Sanchez, Lidia Yileng Tay

    Published 2019-08-01
    “…Each resin was manually manipulated for 10 seconds and photoactivated for 20 seconds with a light intensity of 1000mW/cm2 using a VALO –Ultradent LED light– cured unit, and then each sample was evaluated on the microhardness Vickers tester Leitz (Wetzlar). The collected data were analyzed using Kruskal –Wallis and Mann – Whitney post-test (p<0.05). …”
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    Article
  7. 1387

    PENGARUH VARIASI REDUKSI KETEBALAN COLD ROLLING SERTA SUHU ANNEALING TERHADAP SIFAT FISIK DAN MEKANIK ALUMINUM ALLOY 6082-T6 by Rian Cahya Putra, Indri Yaningsih, Teguh Triyono

    Published 2017-11-01
    “…The thickness was reduced from 3 mm to 2,5 mm, 2 mm, and 1,5 mm. the cold rolled samples ware annealed at various tempers in the range of 275oC, 325C, and 375C for 5 minute. Vickers hardness test were performed to evaluate the mechanical properties of alloy and the microstructure were performed to evaluate the physical properties of alloy. …”
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    Article
  8. 1388

    Evaluation of fatigue crack propagation in surface modification layer by a load-controlled plate bending fatigue tester by Osamu TAKAKUWA, Kazumasa SANADA, Hitoshi SOYAMA

    Published 2014-02-01
    “…In this study, the fatigue crack propagation test was conducted on specimens treated by cavitation peening, which is one of the surface modification techniques, and mechanical properties were also evaluated, including residual stress, yield stress and Vickers hardness, so as to reveal the effect of such mechanical properties varied by the peeing on the fatigue crack propagating behavior. …”
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  9. 1389

    Mechanical Properties of CaO–Al<sub>2</sub>O<sub>3</sub>–SiO<sub>2</sub> Glass-Ceramics Precipitating Hexagonal CaAl<sub>2</sub>Si<sub>2</sub>O<sub>8</sub> Crystals by Kei Maeda, Kosho Akatsuka, Gaku Okuma, Atsuo Yasumori

    Published 2021-04-01
    “…The microcrack toughening mechanism in CAS GC was supported by the nondestructive observation of microcracks around the Vickers indentation using the X-ray microcomputed tomography technique. …”
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    Article
  10. 1390

    Influence of Parameters and Regimes of the Electrodeposition on Hardness of Copper Coatings by Ivana O. Mladenović, Nebojša D. Nikolić

    Published 2023-03-01
    “…Morphology and structure of Cu coatings were examined by scanning electron microscope (SEM), atomic force microscope (AFM) and by X-ray diffraction (XRD), while hardness was examined by Vickers microindentation. The coatings of Cu on both Si(111) and brass cathodes belong to “soft film (coating) on hard substrate” composite hardness system, and the Chicot–Lesage (C–L) composite hardness model was applied to estimate a hardness of the Cu coatings. …”
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  11. 1391

    MITIGATION OF AGRICULTURAL ENERGY REQUIREMENT IN BANGLADESH USING MICROALGAE PRODUCTION by Mohammad Farzid Hasan, Syeda Zohra Halim, Choudhury Mohammad Shahariar, Noor Quddus

    Published 2013-12-01
    “…Metallographic analysis and Vickers hardness tests were performed. The results obtained from investigating the basic geometries demonstrated a good joining quality that differs from the conventional process of welding or mechanical joining with screws or nails. …”
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  12. 1392

    A Study on Surface Hardening and Wear Resistance of AISI 52100 Steel by Ultrasonic Nanocrystal Surface Modification and Electrolytic Plasma Surface Modification Technologies by Nurtoleu Magazov, Zarina Satbaeva, Bauyrzhan Rakhadilov, Auezhan Amanov

    Published 2023-10-01
    “…The micro-hardness with respect to the depth from the top surface was measured using a Vickers micro-hardness tester. Microstructural observations showed that EPSM treatment led to the formation of residual austenite in the surface layer, while UNSM treatment led to the formation of a surface severe plastic deformation layer on the surface of the samples. …”
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    Article
  13. 1393

    Influence of Factors in the Photopolymerization Process on Dental Composites Microhardness by Jordan Maximov, Tsanka Dikova, Galya Duncheva, Georgi Georgiev

    Published 2022-09-01
    “…The significance of light intensity, irradiation time, and layer thickness on Vickers microhardness is evaluated by experimental design, analysis of variance, and regression analysis. …”
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  14. 1394

    Investigation of Microstructure and Mechanical & Electrochemical Behaviors of Martensitic Stainless Steel (MSS) and Alloyed White Cast Iron (WCI) Rolls Fabricated by a Centrifugal... by Mehmet OKTAY, Efe TAŞCI, Burak KÜÇÜKELYAS, Deniz UZUNSOY

    Published 2020-12-01
    “…The rolls used in the grinding process must also have higher hardness values, so Vickers hardness measurements are performed on the WCI and MSS alloys. …”
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  15. 1395

    Study on the Influence of Erbium and Preheating Process on Mechanical Properties of As-Cast 7055 Aluminum Alloy by Jingwei Li, Faguo Li

    Published 2023-07-01
    “…This article used optical microscopy, scanning electron microscopy energy dispersive spectroscopy (SEM-EDS), X-ray diffraction (XRD), micro Vickers hardness, and room temperature stretching methods to study the as-cast 7055-<i>x</i>Er (<i>x</i> = 0 wt.%, 0.2 wt.%, 0.4 wt.%, 0.6 wt.%, 0.8 wt.%) aluminum alloy after being subjected to 460 °C × 3 h homogenization and 410 °C × 1 h solid solution + 150 °C × 12 h aging treatment for the changes in its microstructure and properties. …”
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  16. 1396

    Manufacturing of AA7075 Aluminum Alloy Composites Reinforced by Nanosized Particles of SiC, TiN, and ZnO by High-Energy Ball Milling and Hot Extrusion by Heronilton Mendes de Lira, Wésia Amanda de Oliveira Barbosa, Euclides Apolinário Cabral de Pina, Alexandre Douglas Araújo de Moura, Pilar Rey Rodriguez, Ivanilda Ramos de Melo, Oscar Olímpio de Araújo Filho

    Published 2023-10-01
    “…Then, the composites were hot extruded and characterized by XRD, SEM, and microhardness Vickers (HV). The milling process reduces the crystallite and particle size to around 30 nm and 10 µm, respectively. …”
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  17. 1397

    Microstructural Characterization of a Component Manufactured by Hybrid Casting of Two Different Ferrous Alloys by E.L.S. Junior, R. Leibholz, M.S.F. Lima, K. Zilnyk

    Published 2023-06-01
    “…The metallurgical bonding between alloys is confirmed by the diffusion of chromium and carbon from HCCI to WCB. Vickers microhardness, EDS and XRD confirmed the presence of M7C3 carbides in the HCCI and at the interface. …”
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  18. 1398

    Study on micro-structure, hardness and optimization of wear characteristics of Al6061/TiB2/CeO2 hot-rolled MMCs using Taguchi method by S. R. Sreenivasa Iyengar, D. Sethuramu, M. Ravikumar

    Published 2023-07-01
    “…Hardness of hybrid MMCs was evaluated by using hardness test rig (Vickers). Results revealed that the hardness strength of developed hybrid MMCs increased with increase of the reinforcement content. …”
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    Article
  19. 1399

    Local Microstructure and Texture Development during Friction Stir Spot of 5182 Aluminum Alloy by Thierry Baudin, Sandrine Bozzi, François Brisset, Hiba Azzeddine

    Published 2023-03-01
    “…The local microstructure, texture gradient and mechanical properties through the shoulder dimension (10 mm) of upper and lower AA5182 aluminum sheets were investigated using electron backscatter diffraction (EBSD) and Vickers microhardness after friction stir spot welding (FSSW). …”
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  20. 1400

    De-globalising bank regulation by Mario Tonveronachi

    Published 2014-01-01
    “…Some proposals (e.g. the Vickers Report and the Fed’s subsidiarisation of US establishments of foreign banks) de facto imply a partial de-globalisation of both banks and their supervision. …”
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