Showing 21 - 40 results of 2,850 for search '"Vickers"', query time: 0.11s Refine Results
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    Calculation of Correction Factors for Vickers’ Hardness Measurements on a Non-Planar Surface by S. G. Sandomirski, A. L. Val’ko, S. P. Rudenko

    Published 2022-10-01
    “…The exact determination of Vickers HV hardness is important for determining of the product material mechanical properties. …”
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    Article
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    Effect of grain size on vickers microhardness and fracture toughness in calcium phosphate bioceramics by Tolouei, R., Singh, R., Tan, C.Y., Amiriyan, M., Teng, W.D.

    Published 2011
    “…Grain size dependences of Vickers microhardness and indentation fracture toughness in fully dense hydroxyapatite bioceramics without additives were studied. …”
    Article
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    Vickers Hardness and Shrinkage Stress Evaluation of Low and High Viscosity Bulk-Fill Resin Composite by Allegra Comba, Nicola Scotti, Tatjana Maravić, Annalisa Mazzoni, Massimo Carossa, Lorenzo Breschi, Milena Cadenaro

    Published 2020-06-01
    “…After 24 h of storage, Vickers MH was evaluated on the upper, lower and lateral sides of the specimens. …”
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    Article
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    The influence of different storage media on Vickers hardness and surface roughness of CAD/CAM resin composites by Florian Fuchs, Julius Schmidtke, Sebastian Hahnel, Andreas Koenig

    Published 2023-03-01
    “…However, a correlation between filler content and Vickers hardness was evident. Artificial aging caused a decrease of Vickers hardness (up to −40 HV or 35%) depending on storage media, duration and material. …”
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    Article
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    Vickers Hardness Mechanical Models and Thermoplastic Polymer Injection-Molded Products’ Static Friction Coefficients by Tetsuo Takayama

    Published 2024-01-01
    “…Vickers hardness can be related to the compressive stress at yield initiation. …”
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    Article
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    Pearlite Interlamellar Spacing and Vickers Micro-Hardness in the Necking Region of Cold-Drawn Pearlitic Steel Wires by Jesús Toribio, Francisco-Javier Ayaso, Rocío Rodríguez

    Published 2023-08-01
    “…The microstructural changes during necking were evaluated by measuring the pearlite interlamellar spacing in the necking region, as well as the Vickers micro-hardness in the different points of it. …”
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    Article
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    Short curing time bulk fill composite systems: volumetric shrinkage, degree of conversion and Vickers hardness by Camila Sobral SAMPAIO, João Luiz Bittencourt de ABREU, Batsheva KORNFELD, Eduardo Moreira da SILVA, Marcelo GIANNINI, Ronaldo HIRATA

    Published 2024-04-01
    “…Abstract This study aimed to evaluate volumetric polymerization shrinkage, degree of conversion and Vickers hardness of four bulk-fill resin composites light-activated with their dedicated light curing units (LCUs). …”
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    Article
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    Simulation and Prediction of the Vickers Hardness of AZ91 Magnesium Alloy Using Artificial Neural Network Model by Alaa F. Abd El-Rehim, Heba Y. Zahran, Doaa M. Habashy, Hana M. Al-Masoud

    Published 2020-04-01
    “…In this study, an artificial neural network (ANN) model was used to simulate and predict the Vickers hardness of AZ91 magnesium alloy. The samples of AZ91 alloy were aged at different temperatures (<i>T<sub>a</sub></i> = 100 to 300 °C) for different durations (<i>t<sub>a</sub></i> = 4 to 192 h) followed by water quenching at 25 °C. …”
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    Evaluation of the Efficacy of CPP-ACP Remineralizing Mousse in MIH White and Yellow Opacities—In Vitro Vickers Microhardness Analysis by Inês Cardoso-Martins, Sofia Arantes-Oliveira, Ana Coelho, Sofia Pessanha, Paula F. Marques

    Published 2022-10-01
    “…The study’s aim is to evaluate the efficacy of CPP-ACP mousse in remineralizing MIH-affected enamel using a Vickers microhardness test. Two groups of enamel opacities of hypomineralized permanent teeth, white (group A) and yellow (group B) lesions (n = 14), went through a 28-day treatment protocol with GC Tooth Mousse. …”
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    Article