Showing 2,541 - 2,560 results of 2,850 for search '"Vickers"', query time: 0.10s Refine Results
  1. 2541

    Phase Evaluation, Mechanical Properties and Thermal Behavior of Hot-Pressed LC-YSZ Composites for TBC Applications by Milan Parchovianský, Ivana Parchovianská, Ondrej Hanzel, Zuzana Netriová, Amirhossein Pakseresht

    Published 2022-04-01
    “…YSZ doping improved the Vickers hardness of the LC-YSZ composites; the highest hardness, with value of 12 ± 0.62 GPa, was achieved for the composite containing 70 wt.% of YSZ. …”
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    Article
  2. 2542

    Assessment of Micro-Hardness, Degree of Conversion, and Flexural Strength for Single-Shade Universal Resin Composites by Pınar Yılmaz Atalı, Bengü Doğu Kaya, Aybike Manav Özen, Bilge Tarçın, Ayşe Aslı Şenol, Ezgi Tüter Bayraktar, Bora Korkut, Gülçin Bilgin Göçmen, Dilek Tağtekin, Cafer Türkmen

    Published 2022-11-01
    “…Charisma Diamond One/DO, Admira Fusion x-tra/AFX, Omnichroma/OC, OptiShade/OS, Essentia Universal/EU, Zenchroma/ZC, Vittra APS Unique/VU were used in a three-point bending test to determine flexural strength (F<sub>S</sub>) and elastic modulus (E<sub>M</sub>); Vickers micro-hardness (VHN) and hardness-ratio (HR) were performed with a micro-hardness tester from top/bottom after 24-h/15-days of storage in distilled water at 37 °C (±1 °C). …”
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    Article
  3. 2543

    Failure Analysis of a Chromium Plating Layer on a Piston Rod Surface and the Study of Ni-Based Composite Coating with Nb Addition by Laser Cladding by Jiangang Wang, Qiankun Zhang, Wenjing Shen, Zhimin Liang, Chaoqiang Chang, Liyong Yang, Jianhui Li, Fengshan Huang

    Published 2022-07-01
    “…The failure of a chromium plating layer on the surface of a piston rod was analyzed, and an Ni-based alloy mixed with a niobium (Nb) composite coating was investigated by means of stereomicroscopy, metallographic microscopy, scanning electron microscopy (SEM), energy dispersive spectroscopy (EDS), X-ray diffraction (XRD), Vickers hardness testing, and wear testing. The results show that penetrating cracks were present in the chromium layer. …”
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    Article
  4. 2544

    Microstructure, Phase Formation and Heat-Treating of Novel Cast Al-Mg-Zn-Cu-Si Lightweight Complex Concentrated Aluminum Based Alloy by Spyridon Chaskis, Eva Stachouli, Evangelos Gavalas, Marianthi Bouzouni, Spyros Papaefthymiou

    Published 2022-04-01
    “…In terms of mechanical properties, the developed alloy exhibited a high hardness value of 249 Vickers and compressive strength of 588 MPa. The present work provides a valuable insight for researchers, who aim to design and produce industry-like Aluminum based complex concentrated alloys (CCAs).…”
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    Article
  5. 2545

    A SiO<sub>2</sub>/pHEMA-Based Polymer-Infiltrated Ceramic Network Composite for Dental Restorative Materials by Hiroshi Ikeda, Yohei Kawajiri, Minako Kibune Sodeyama, Haruka Takesue Yano, Yuki Nagamatsu, Chihiro Masaki, Ryuji Hosokawa, Hiroshi Shimizu

    Published 2022-01-01
    “…The flexural strength was 112.5 ± 18.7 MPa, the flexural modulus was 13.6 ± 3.4 GPa, and the Vickers hardness was 168.2 ± 16.1, which are similar values to human teeth. …”
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    Article
  6. 2546

    High Velocity Oxygen Liquid-Fuel (HVOLF) Spraying of WC-Based Coatings for Transport Industrial Applications by Janette Brezinová, Anna Guzanová, Jana Tkáčová, Jakub Brezina, Kristína Ľachová, Dagmar Draganovská, Filip Pastorek, Pavlo Maruschak, Olegas Prentkovskis

    Published 2020-12-01
    “…Porosity was determined by image analysis. Vickers impression was performed on cross-sections of the coatings, in order to determine their indentation fracture toughness. …”
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    Article
  7. 2547

    Study on the microstructure evolution mechanism of copper single phase alloys under deep undercooling conditions by Yongchao Hao, Xiaolong Xu, Qi Wu, Yuhong Zhao, Hua Hou

    Published 2023-07-01
    “…TEM tests were conducted on a Cu60Ni38Co2 alloy with a maximum undercooling of 259 K, and it was found that there are high-density dislocation networks in some areas within them. Finally, the Vickers hardness of the above alloys was measured and recorded using a microhardness tester (HVS-1000Z), and the evolution between microhardness and undercooling, as well as the changes in microhardness under critical undercooling, were analyzed. …”
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    Article
  8. 2548

    Strength mechanisms and tunability in Al-Ce-Mg ternary alloys enabled by additive manufacturing by S. Nam, E. Simsek, N. Argibay, O. Rios, H.B. Henderson, D. Weiss, E.E. Moore, A.P. Perron, S.K. McCall, R.T. Ott

    Published 2023-07-01
    “…A combination of (i) Hall-Petch strengthening, based on the FCC-matrix-phase cell size; (ii) particle strengthening, based on Al11Ce3 volume fraction and size; and (iii) solid-solution strengthening, based on Mg composition of the matrix phase, were used to account for the measured strengths. Vickers hardness is shown to correlate well with ultimate tensile strength in these alloys, highlighting the value of surface-based techniques for rapid screening.…”
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    Article
  9. 2549

    Effect of 3D Printer Type and Use of Protection Gas during Post-Curing on Some Physical Properties of Soft Occlusal Splint Material by Junichiro Wada, Kanae Wada, Mona Gibreel, Noriyuki Wakabayashi, Tsutomu Iwamoto, Pekka K. Vallittu, Lippo Lassila

    Published 2022-10-01
    “…The evaluated properties were flexural strength, flexural modulus, Vickers hardness (VHN), fracture toughness, degree of double bond conversion (DC%), water sorption, water solubility, and 3D microlayer structure. …”
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    Article
  10. 2550

    Microstructures and Tensile Properties of 9Cr-F/M Steel at Elevated Temperatures by Guangjie Zhang, Qinggang Zhang, Junfeng Yang, Zhuoming Xie, Linchao Zhang, Rui Liu, Gang Li, Hui Wang, Qianfeng Fang, Xianping Wang

    Published 2022-02-01
    “…Tensile properties and microstructure changes under different stress states of tempered 9Cr-F/M steel were characterized using a transmission electron microscope (TEM), electron backscatter diffraction (EBSD), scanning electron microscopy (SEM), Vickers hardness tester, and tensile tester. This tempered steel has a typical lath martensite structure with only a few polygonal ferrites embedded, and M<sub>23</sub>C<sub>6</sub> and MX phases nucleated on the lath boundaries or within the sub-grains. …”
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    Article
  11. 2551

    Experimental Investigation of the Friction Stir Weldability of AA8006 with Zirconia Particle Reinforcement and Optimized Process Parameters by Thanikodi Sathish, Abdul Razak R. Kaladgi, V. Mohanavel, K. Arul, Asif Afzal, Abdul Aabid, Muneer Baig, Bahaa Saleh

    Published 2021-05-01
    “…The friction stir-processed samples were investigated regarding their mechanical properties such as tensile strength and Vickers microhardness. The welded samples were included in the corrosion testing to ensure that no foreign corrosive elements were included during the welding. …”
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    Article
  12. 2552

    Bulks of Al-B-C obtained by reactively spark plasma sintering and impact properties by Split Hopkinson Pressure Bar by Vasylkiv, O., Borodianska, H., Demirskyi, D., Li, Peifeng, Suzuki, T. S., Grigoroscuta, M. A., Pasuk, I., Kuncser, A., Badica, P.

    Published 2021
    “…Namely, the highest values of the Vickers hardness (32.4 GPa), dynamic strength (1323 MPa), strain and toughness were determined for the samples with R = 1.3, i.e., for the samples with a high amount of AlB24C4. …”
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    Journal Article
  13. 2553

    Geometric influence of the laser-based powder bed fusion process in Ti6AL4V and AlSi10Mg by Chua, Zhong Yang, Moon, Seung Ki, Jiao, Lishi, Ahn, Il Hyuk

    Published 2021
    “…The samples are systematically evaluated by the optical microscope and the Vickers hardness tester. Microstructural characterisation of these samples is further evaluated via scanning electron microscopy. …”
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    Journal Article
  14. 2554

    Surface enhancement of metallic parts fabricated by selective laser melting by Ong, Wee Ming

    Published 2024
    “…My analysis comprises both the mechanical and microstructural areas and uses techniques such as Vicker’s hardness and multiple microscopy techniques. …”
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    Final Year Project (FYP)
  15. 2555

    Study on the anisotropy and heterogeneity of microstructure and mechanical properties in additive manufactured Ti-6Al-4V parts by selective electron beam melting by Kok, Yihong

    Published 2018
    “…OM, SEM and TEM) and mechanical testing (e.g. Tensile test and Vickers microhardness). Lastly, the columnar grains within the as-built SEBM Ti-6Al-4V were studied as well. …”
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    Thesis
  16. 2556

    PENGARUH KUAT ARUS PADA PELAPISAN NICKEL, HARD CHROMIUM DAN NICKEL- HARD CHROMIUM PLATING TERHADAP SIFAT FISIS DAN MEKANIS PERMUKAAN BAJA AISI 410 by DARMO, ADITYO NOOR SETYO HADI

    Published 2012
    “…The thick of the layer can be known by optic microscope, the hardness of the surface by the Micro Vickers experiment on the mass of 25 gr, the corrosion rate is found by three cells electrode potensio on the solution of 0,9% NaCl, and the wear rate can be known by Ogoshi High Speed Universal Wear Testing Machine. …”
    Thesis
  17. 2557

    PENGARUH VARIASI WAKTU PELAPISAN TiN HASIL DEPOSISI DC REACTIVE MAGNETRON SPUTTERING TERHADAP KEKERASAN, LAJU KOROSI, KEAUSAN ABRASI DAN KEKASARAN BAJA TAHAN KARAT MARTENSITIK AISI... by , Xander Salahudin, , Dr. Ir. Viktor Malau, DEA

    Published 2011
    “…The hardness test used a micro-Vickers hardness tester, the corrosion test used a galvanostat PGS 201T with testing media 0,9% NaCl, the abrasive wear test used an ogoshi high speed universal wear testing machine OAT-U and the roughness test used a surface roughness instrument SE 1700. …”
    Thesis
  18. 2558

    PENGARUH DEPOSISI LAPISAN TIPIS TiN PADA KEKERASAN DAN UMUR PAHAT BUBUT HSS by , Mudjijana, Tjipto Suyitno, Karyono

    Published 2003
    “…Selanjutnya diuji kekerasan dengan mikro Vickers menggunakan beban 10 gf. Optimalisasi kondisi operasi dengan hasil kekerasan maksimum digunakan untuk proses sputtering pada 54 sisi potong pahat bubut dari bahan HSS dengan sudut tatal (g) = 10° dan sudut jalan bebas (a) = 8°. …”
    Article
  19. 2559

    PENGARUH IN-OFFICE BLEACHING SISTEM AKTIVASI HEAT LIGHT DAN KIMIAWI TERHADAP PERUBAHAN KEKERASAN RESIN KOMPOSIT NANOFIL DAN NANOKERAMIK by , Sila Happy Muriana, , drg. Diatri Nari Ratih, MKes., Sp.KG, PhD.

    Published 2012
    “…The surface microhardness of each sample was tested before and after performing in office bleaching using microhardness tester (Vickers Hardness Tester) . Data obtained were the value of microhardness after in office bleaching subtracted by the value of microhardness before in office bleaching. …”
    Thesis
  20. 2560

    Multi-technique analysis of solute segregation and clustering in low-alloy steels by Klupś, P

    Published 2023
    “…These results were complemented by techniques such as EBSD, TKD, and Vickers hardness testing.</p> <p>Novel methods were developed and evolved during this study. …”
    Thesis