Showing 8,001 - 8,020 results of 8,579 for search '"lubricant"', query time: 0.11s Refine Results
  1. 8001

    Experimental and Numerical Investigation of Static and Dynamic Characteristics of Bio-Oils and SAE40 in Fluid Film Journal Bearing by Muhammad Imran Sadiq, Wan Aizon W. Ghopa, Mohd Zaki Nuawi, Mohammad Rasidi Rasani, Mohd Anas Mohd Sabri

    Published 2022-05-01
    “…Recently, a lot of attention has been given to the bio-oils and lubricants due to their better thermophysical, tribological, and environmental characteristics for use in journal bearing and other rotating machines. …”
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    Article
  2. 8002

    Improved Weighted <i>k</i>-Nearest Neighbor Based on PSO for Wind Power System State Recognition by Chun-Yao Lee, Kuan-Yu Huang, Yi-Xing Shen, Yao-Chen Lee

    Published 2020-10-01
    “…This testing is based on four classified conditions of the 300 W wind generator which include healthy, loss of lubrication in the gearbox, angular misaligned rotor, and bearing fault. …”
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    Article
  3. 8003

    Quantification and Chemical Characterization of Plastic Additives and Small Microplastics (<100 μm) in Highway Road Dust by Beatrice Rosso, Barbara Bravo, Elena Gregoris, Carlo Barbante, Andrea Gambaro, Fabiana Corami

    Published 2023-11-01
    “…Their maximum concentration was in RD7, with 1044 ± 45 APFs/g. Lubricants and plasticizers are the two most abundant categories, followed by vulcanizing agents, accelerators, and pre-vulcanizing retarders derived mainly from tires. …”
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    Article
  4. 8004

    On the Microstructure, Microhardnessand Wear Behavior of Gray Cast Iron Surface Layer after Laser Strengthening by Eugene Feldshtein, Oleg Devojno, Szymon Wojciechowski, Marharyta Kardapolava, Iryna Kasiakova

    Published 2022-01-01
    “…The aim of this study was a comprehensive analysis of changes in the microstructure, microhardness of the surface layer and its wear resistance under lubrication friction conditions and changed surface energy density in order to ensure the effectiveness of laser strengthening of gray cast iron. …”
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    Article
  5. 8005

    Influence of the Machining Process on the Service Life and Pitting Morphology of Gear-Tooth Surfaces by Wenbo Xu, Hongtao Huang, Yang Gao, Xiaofeng Qin, Taolue Wen, Shufeng Yang, Peng Zhang, Liang Wang, Ce Guo

    Published 2022-08-01
    “…Pitting, which results from contact fatigue, is a common failure mode in gear transmission systems and is influenced by the material strength and stress state of the contact area, which is further influenced by lubrication and roughness because of stress fluctuations. …”
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    Article
  6. 8006

    RETRACTED: A novel mathematical model for the effects of wall properties on pumping flow of a biofluid in a symmetrical three-dimensional curved duct by Wafa F. Alfwzan, Arshad Riaz, Maha Alammari, Hala A. Hejazi, ElSayed M. Tag El-Din

    Published 2023-02-01
    “…Here, we have used the conditions of lubrication theory to construct an accurate model, and a common perturbation technique was incorporated to handle the Navier-Stokes equations with emphasis on various aspect ratios and curvatures. …”
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    Article
  7. 8007

    Synovial joint cavitation initiates with microcavities in interzone and is coupled to skeletal flexion and elongation in developing mouse embryo limbs by Minwook Kim, Eiki Koyama, Cheri M. Saunders, William Querido, Nancy Pleshko, Maurizio Pacifici

    Published 2022-06-01
    “…The synovial cavity and its fluid are essential for joint function and lubrication, but their developmental biology remains largely obscure. …”
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    Article
  8. 8008

    Long-Term Antifogging Coating Based on Black Phosphorus Hybrid Super-Hydrophilic Polymer Hetero-Network by Lie Wu, Yihong Kang, Yuhao Deng, Fan Yang, Rui He, Xue-Feng Yu

    Published 2022-12-01
    “…The BPs enriched on the coating surface by UV regulating migration prevent permeation of water towards the inside of the coating through its own good water-based lubricity and water absorption capacity. Compared with the nonhybrid polymer HN, PUA/PAHS/BPs HN not only has higher hardness and better friction resistance properties, but also exhibits superior water resistance and longer antifogging duration. …”
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    Article
  9. 8009

    Advanced surface treatment techniques counteract biofilm-associated infections on dental implants by Maryam Koopaie, Aidin Bordbar-Khiabani, Sajad Kolahdooz, Ali Kia Darbandsari, Masoud Mozafari

    Published 2020-01-01
    “…The emphasis of this study lies in the effects of high-speed milling assisted the minimum quantity of lubrication (HSM-MQL), micro-current wire electrical discharge machining (mWEDM), Er,Cr:YSGG laser and sandblasting/large-grit/acid-etching (SLA) treatments on surface morphology, topography, chemical composition, wettability and biofilm-associated infections on the surface of each group. …”
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    Article
  10. 8010

    Outcomes of Ceramic Composite in Total Hip Replacement Bearings: A Single-Center Series by Giuseppe Solarino, Antonio Spinarelli, Antonio Virgilio, Filippo Simone, Marco Baglioni, Biagio Moretti

    Published 2021-12-01
    “…More than 40 years ago, ceramic bearings were introduced due to their mechanical advantage in order to obtain a reduction in wear debris, and due to the conviction that it was possible to minimize friction and wear owing to their mechanical hardness, high chemical stability, surface lubrication by fluids and low friction coefficient. …”
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    Article
  11. 8011

    A Systematic Approach for Energy-Efficient Design of Rolling Bearing Cages by Anatoliy Gaydamaka, Volodymyr Klitnoi, Sergey Dobrotvorskiy, Yevheniia Basova, Demétrio Matos, José Machado

    Published 2023-01-01
    “…The frictional moment of the bearing has been determined based on the integral design of the cage without taking into account lubrication during the interaction of the cage with the jumpers and with the sides of the basing ring. …”
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    Article
  12. 8012

    Hard Milling Process Based on Compressed Cold Air-Cooling Using Vortex Tube for Sustainable and Smart Manufacturing by Luka Celent, Dražen Bajić, Sonja Jozić, Marko Mladineo

    Published 2023-02-01
    “…The fact that cutting fluids are well known as significant environmental pollutants in the metalworking industry has encouraged researchers to discover new environmentally friendly ways of cooling and lubricating in the machining process. Therefore, the main goal is to investigate the influence of different machining conditions on the efficiency of hard machining and find a sustainable solution towards smart manufacturing. …”
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    Article
  13. 8013

    Sexual function between women with gestational diabetes and low risk pregnant women in third trimester of pregnancy by Ommolbanin Zare, Masoumeh Simbar, Giti Ozgoli, Adeleh Bahar, Hamid Alavi Majd

    Published 2021-10-01
    “…Gestational diabetes causes a significant decrease in sexual desire score (P< 0.001), lubrication score (p=0.006), satisfaction score (P< 0.001) and a significant increase in pain score (p=0.01). …”
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    Article
  14. 8014

    Corrosion Behaviour and J774A.1 Macrophage Response to Hyaluronic Acid Functionalization of Electrochemically Reduced Graphene Oxide on Biomedical Grade CoCr by Belén Chico, Blanca Teresa Pérez-Maceda, Sara San José, María Lorenza Escudero, María Cristina García-Alonso, Rosa María Lozano

    Published 2021-07-01
    “…Improvements in the lubrication of metal–metal joint prostheses are of great clinical interest in order to minimize the particles released during wear–corrosion processes. …”
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    Article
  15. 8015

    Attapulgite Structure Reset to Accelerate the Crystal Transformation of Isotactic Polybutene by Shuang-Dan Mao, Mi Zhang, Fu-Hua Lin, Xiang-Yang Li, Yu-Ying Zhao, Yan-Li Zhang, Yi-Fan Gao, Jun Luo, Xin-De Chen, Bo Wang

    Published 2022-09-01
    “…This was a detailed study on the effect of lattice matching, interfacial compatibility and internal lubrication of the reset structure, ATP, in the nucleation and growth stages of iPB form I. …”
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    Article
  16. 8016

    Regulation Mechanism of Special Functional Groups Contained in Polymer Molecular Chains on the Tribological Properties of Modified Ti6Al4V by Mengmeng Liu, Jing Ni, Caixia Zhang, Lihui Wang, Yue Guo, Zhifeng Liu

    Published 2023-10-01
    “…The PVS coating, due to physical adsorption, can have an anti-friction effect under NaCl solution lubrication, but is not durable under long-term or repeated usage. …”
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    Article
  17. 8017

    Study of the Thermal History upon Residual Stresses during the Dry Drilling of Inconel 718 by Kévin Chenegrin, Denis Bouscaud, Mathieu Girinon, Habib Karaouni, Jean-Michel Bergheau, Eric Feulvarch

    Published 2022-02-01
    “…An X-ray diffraction (XRD) analysis shows that without lubrication, high tensile residual stresses can be observed on the surface of a deep through drilled hole. …”
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    Article
  18. 8018

    Identification of Potential Migrants in Polyethylene Terephthalate Samples of Ecuadorian Market by Karina Marín-Morocho, Sandra Domenek, Rómulo Salazar

    Published 2021-10-01
    “…Several chemical compounds were identified and categorized as lubricants (carboxylic acids with chain length of C12 to C18), plasticizers (triethyl phosphate, diethyl phthalate), thermal degradation products (p-xylene, benzaldehyde, benzoic acid), antioxidant degradation products (from Irgafos 168 and Irganox), and recycling indicator compounds (limonene, benzophenone, alkanes, and aldehydes). …”
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    Article
  19. 8019

    Ethylene-Vinyl Acetate (EVA) Containing Waste Hemp-Derived Biochar Fibers: Mechanical, Electrical, Thermal and Tribological Behavior by Maria Giulia Faga, Donatella Duraccio, Mattia Di Maro, Riccardo Pedraza, Mattia Bartoli, Giovanna Gomez d’Ayala, Daniele Torsello, Gianluca Ghigo, Giulio Malucelli

    Published 2022-10-01
    “…Finally, the combination of stiffness, enhanced thermal conductivity and intrinsic lubricating features of the filler resulted in excellent wear resistance and friction reduction in comparison with unfilled EVA.…”
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    Article
  20. 8020

    Chemically reactive squeezed flow of magnetized Al2O3−PAO nanolubricant over a sensor surface with thermophoretic particle deposition by Muhammad Riaz, Nargis Khan, M.S. Hashmi, Zabidin Salleh, Mustafa Inc

    Published 2024-02-01
    “…The exceptional lubricating properties and stability of Al2O3−PAO nanolubricant make it a suitable option for many industries such as automotive, aerospace, renewable energy, and medical. …”
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    Article