Showing 2,601 - 2,620 results of 2,850 for search '"Vickers"', query time: 0.11s Refine Results
  1. 2601

    Synthesis and Characterization of Mechanically Alloyed, Nanostructured Cubic MoW Carbide by Martin Martinez Ruiz, Jesús Noé Rivera Olvera, Rodolfo Morales Davila, Leonardo González Reyes, Vicente Garibay Febles, Jesus Garcia Martinez, Lucía G. Diaz Barriga Arceo

    Published 2020-12-01
    “…The phases and morphology at every stage of milling were studied by: X-ray diffraction (XRD), scanning electron microscopy (SEM), high-resolution transmission electron microscopy (HRTEM), and Vickers hardness. As the milling time increased, the hardness of these particles increased from 10.5 to 31.48 GPa for the powder particles milled for 150 h. …”
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  2. 2602

    Welding of Ti6Al4V and Al6082-T6 Alloys by a Scanning Electron Beam by Angel Anchev, Darina Kaisheva, Georgi Kotlarski, Vladimir Dunchev, Borislav Stoyanov, Maria Ormanova, Milka Atanasova, Vladimir Todorov, Petya Daskalova, Stefan Valkov

    Published 2023-07-01
    “…The microhardness was studied by means of the Vickers method. The results for the microstructure showed that the welding procedure without offset and with an offset towards the Ti alloy leads to inhomogeneous welded joints with a significant amount of intermetallics. …”
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    Article
  3. 2603
  4. 2604

    Effect of sintering temperature on mechanical properties and ion release of fluorohydroxyapatite (FHA)-filled dental resin composites by Maryam Hezarjaribi, Majid Akbari, Seyyedeh Fatemeh Namdar, Arash Esmaeili, Zeinab Foroughi, Fatemeh Mollaei, Ebrahim Farah, Arsalan Shahri, Hossein Bagheri

    Published 2023-06-01
    “…Flexural strength (FS) and diametral tensile strength (DTS) were measured, as well as the depth of cure, which was determined by the Vickers microhardness test. The release of calcium and fluoride ions was monitored for a month in diluted citric acid (pH=4.3), and the effect of acidic storage on mechanical properties was evaluated via DTS testing. …”
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    Article
  5. 2605

    Microstructures and Hardening Mechanisms of a 316L Stainless Steel/Inconel 718 Interface Additively Manufactured by Multi-Material Selective Laser Melting by Shahir Mohd Yusuf, Nurainaa Mazlan, Nur Hidayah Musa, Xiao Zhao, Ying Chen, Shoufeng Yang, Nur Azmah Nordin, Saiful Amri Mazlan, Nong Gao

    Published 2023-02-01
    “…In addition, equiaxed grains (average: 45 ± 3 μm) are attained in the interfacial region, whereas both individual IN 718 and 316L SS regions exhibit show columnar grains with average sizes of 55 ± 5 μm and 85 ± 3 μm, respectively. Vickers microhardness (HV) and nanoindentation measurements exhibit that the hardness values of the interfacial region are between those of the individual material regions. …”
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    Article
  6. 2606

    Microstructural and mechanical properties of Al–Mg–Si–Cu joint fabricated by rotary friction welding by Kailiang Chen, Yidi Wu, Xiaoxue Chen, Wuran Lei, Ke He, Juan Chen, Huihong Liu, Yongbing Li

    Published 2023-11-01
    “…The correlation between the microstructural evolution and mechanical properties in different regions of Al–Mg–Si–Cu joint fabricated by rotary friction welding (RFW) has undergone a rigorous quantitative investigation using Vickers hardness evaluation, uniaxial tensile tests, electron backscatterred diffraction, X-ray diffractometry and transmission electron microscopy. …”
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    Article
  7. 2607

    Microstructure and mechanical properties of aluminum/steel bimetal using compound casting with electroless nickel plating by Ziming Bao, Sheng Wang, Renheng Han, Ming Tang, Chengzhi Zhao, Hexin Zhang

    Published 2021-01-01
    “…Further, the bonding properties and fracture mechanism of the intermediate layer were analyzed by measuring the corresponding Vickers microhardness and shear strength. The results show that the intermediate layer is divided into two layers. …”
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    Article
  8. 2608

    Surface, Chemical, and Tribological Characterization of an ASTM F-1537 Cobalt Alloy Modified through an Ns-Pulse Laser by Carlos A. Cuao Moreu, Demófilo Maldonado Cortés, María del Refugio Lara Banda, Edgar O. García Sánchez, Patricia Zambrano Robledo, Marco Antonio L. Hernández Rodríguez

    Published 2021-10-01
    “…The mechanical integrity of the surface was evaluated using a 3D surface analyzer and Vickers indentation tests. The tribological response was studied employing a ball-on-disc tribometer under lubricated conditions tracking the coefficient of friction, volume loss, wear rate, and surface damage by SEM. …”
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    Article
  9. 2609

    Comparative Analysis of Endodontic 0.15 Stainless-Steel K-Files: Exploring Design, Composition, and Mechanical Performance by Abayomi Omokeji Baruwa, Filipa Chasqueira, Sofia Arantes-Oliveira, João Caramês, Duarte Marques, Jaime Portugal, Jorge N. R. Martins

    Published 2024-01-01
    “…Buckling mechanical tests were performed using an Instron universal testing machine, and microhardness was assessed using a Vickers hardness tester. The statistical analysis employed the nonparametric Mood’s median test, with a significance level set at 0.05. …”
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  10. 2610

    Polyphenols Can Improve Resin-Dentin Bond Durability by Promoting Amorphous Calcium Phosphate Nanoparticles to Backfill the Dentin Matrix by Wang B, Han F, You R, Chen C, Xie H

    Published 2023-03-01
    “…Scanning electron microscopy/energy dispersive spectrometer (SEM/EDS) analysis, X-ray diffraction (XRD), ATR-FTIR, Vickers hardness numbers (VHN), and micro-computed tomography (micro-CT) were performed to characterize the remineralized dentin. …”
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  11. 2611

    Experimental Evaluation of Mechanical and Tribological Properties of Segregated Al-Mg-Si Alloy Filled with Alumina and Silicon Carbide through Different Types of Casting Molds by Mohammed Y. Abdellah, Bandar M. Fadhl, H. M. Abu El-Ainin, Mohamed K. Hassan, Ahmed H. Backar, Ahmed F. Mohamed

    Published 2023-02-01
    “…Therefore, a series of mechanical tests were conducted, such as compression test, Vickers hardness, and pin-on-disc wear test. The samples were cast at 650 °C and in electric furnaces for 2 h to ensure that the metal achieved adequate homogeneity and temperature. …”
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    Article
  12. 2612

    High-Quality Spherical Silver Alloy Powder for Laser Powder Bed Fusion Using Plasma Rotating Electrode Process by Hao Li, Shenghuan Zhang, Qiaoyu Chen, Zhaoyang Du, Xingyu Chen, Xiaodan Chen, Shiyi Zhou, Shuwen Mei, Linda Ke, Qinglei Sun, Zuowei Yin, Jie Yin, Zheng Li

    Published 2024-03-01
    “…The samples fabricated by LPBF have a Vickers hardness of up to 271.20 HV (3.66 times that of mould casting), leading to a notable enhancement in the strength of S800 Ag. …”
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  13. 2613

    Hardening effect and precipitation evolution of an isothermal aged Mg-Sm based alloy by Kai Guan, Chuang Li, Zhizheng Yang, Yongsen Yu, Qiang Yang, Wenwen Zhang, Zhiping Guan, Cheng Wang, Min Zha, Huiyuan Wang

    Published 2023-12-01
    “….%) alloy have been systematically investigated by means of transmission electron microscopy (TEM) and atomic-resolution high-angle annular dark field scanning transmission electron microscopy (HAADF-STEM). The Vickers hardness of the present alloy increases first and then decreases with ageing time. …”
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  14. 2614

    Wear Resistance and Biocompatibility of Co-Cr Dental Alloys Fabricated with CAST and SLM Techniques by Wenqi Fu, Shuang Liu, Jun Jiao, Zhiwen Xie, Xinfang Huang, Yun Lu, Huiying Liu, Shuhai Hu, Enjun Zuo, Ni Kou, Guowu Ma

    Published 2022-05-01
    “…Metallurgical microscopy, X-ray photoelectron spectroscopy (XPS), Vickers hardness and nanoindentation tests, and friction and wear tests were used to evaluate the microstructure, surface compositions, mechanical properties, and wear resistance, respectively. …”
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    Article
  15. 2615

    Microstructure and mechanical properties of (FeNiMnAlx)50Cu50 medium entropy alloy fabricated by powder metallurgy by CHEN Weiping, CHEN Huanda, CHU Chenliang, FU Zhiqiang

    Published 2022-10-01
    “…The compressive yield strength, compressive strength and Vickers hardness of (Fe40Ni40Mn20)50Cu50 MEAs are 878 MPa, 1257 MPa and 248.5HV, respectively. …”
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  16. 2616

    Enhanced thermoelectric performance and mechanical strength in GeTe enable power generation and cooling by Jianglong Zhu, Fujie Zhang, Yilin Tai, Xiaobo Tan, Qian Deng, Pengfei Nan, Ruihuan Cheng, Chengliang Xia, Yue Chen, Binghui Ge, Ran Ang

    Published 2024-04-01
    “…High ZT ~ 0.6 at 303 K, average ZTave ~ 1.18 from 303 to 553 K, and Vickers hardness of ~200 Hv in Ge0.78Cd0.06Pb0.1Sb0.06Te are obtained synchronously. …”
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  17. 2617

    Role of YSZ Particles on Microstructural, Wear, and Corrosion Behavior of Al-15%Mg<sub>2</sub>Si Hybrid Composite for Marine Applications by Hamidreza Ghandvar, Mostafa Abbas Jabbar, Michal Petrů, Tuty Asma Abu Bakar, Lim Jia Ler, Seyed Saeid Rahimian Koloor

    Published 2023-05-01
    “…The fabricated composites were characterized by means of optical microscopy (OM), scanning electron microscopy (SEM) equipped with energy-dispersive spectroscopy (EDS), Vickers hardness tester, linear reciprocating tribometer (LRT), and electrochemical test. …”
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    Article
  18. 2618

    Shot Peening Effect on Sliding Wear in 0.9% NaCl of Additively Manufactured 17-4PH Steel by Mariusz Walczak, Aleksander Świetlicki, Mirosław Szala, Marcin Turek, Dariusz Chocyk

    Published 2024-03-01
    “…The chemical and phase composition of the materials obtained, Vickers hardness, surface roughness, and microscopic and SEM imaging were investigated. …”
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  19. 2619

    Preparation of In Situ Growth Multiscale β-Sialon Grain-Reinforced Al<sub>2</sub>O<sub>3</sub>-Based Composite Ceramic Tool Materials by Jian Zhu, Yunna Xue, Xiaolan Bai, Xuehui Shen, Jianqun He, Yu Zhang, Anhai Li

    Published 2023-03-01
    “…The tested mechanical properties of the optimal sample were as follows: flexural strength 997 ± 59 MPa, fracture toughness 6.4 ± 0.3 MPa·m<sup>1/2</sup>, Vickers hardness 18.2 ± 0.4 GPa, and relative density 98.1 ± 0.2%. …”
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  20. 2620

    Effect of Nd on microstructure and properties of 6063 aluminum alloy by Wanwu Ding, Yan Cheng, Xiaoyan Zhao, Taili Chen, Haixia Zhang, Wenjun Zhao

    Published 2020-01-01
    “…After 180 days of natural aging on the basis of T6 heat treatment, with the increase in the amount of rare earth Nd added, the elongation of the 6063 aluminum alloy increased significantly, but the tensile strength and vickers hardness decreased. The alloy undergoes ductile fracture, and AlSiNd and AlFeSiMgNd particles are present on the fracture surface. …”
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