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8001
Experimental and Numerical Investigation of Static and Dynamic Characteristics of Bio-Oils and SAE40 in Fluid Film Journal Bearing
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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8002
Improved Weighted <i>k</i>-Nearest Neighbor Based on PSO for Wind Power System State Recognition
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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8003
Quantification and Chemical Characterization of Plastic Additives and Small Microplastics (<100 μm) in Highway Road Dust
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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8004
On the Microstructure, Microhardnessand Wear Behavior of Gray Cast Iron Surface Layer after Laser Strengthening
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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8005
Influence of the Machining Process on the Service Life and Pitting Morphology of Gear-Tooth Surfaces
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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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
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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8007
Synovial joint cavitation initiates with microcavities in interzone and is coupled to skeletal flexion and elongation in developing mouse embryo limbs
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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8008
Long-Term Antifogging Coating Based on Black Phosphorus Hybrid Super-Hydrophilic Polymer Hetero-Network
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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8009
Advanced surface treatment techniques counteract biofilm-associated infections on dental implants
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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8010
Outcomes of Ceramic Composite in Total Hip Replacement Bearings: A Single-Center Series
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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8011
A Systematic Approach for Energy-Efficient Design of Rolling Bearing Cages
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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8012
Hard Milling Process Based on Compressed Cold Air-Cooling Using Vortex Tube for Sustainable and Smart Manufacturing
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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8013
Sexual function between women with gestational diabetes and low risk pregnant women in third trimester of pregnancy
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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8014
Corrosion Behaviour and J774A.1 Macrophage Response to Hyaluronic Acid Functionalization of Electrochemically Reduced Graphene Oxide on Biomedical Grade CoCr
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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8015
Attapulgite Structure Reset to Accelerate the Crystal Transformation of Isotactic Polybutene
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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8016
Regulation Mechanism of Special Functional Groups Contained in Polymer Molecular Chains on the Tribological Properties of Modified Ti6Al4V
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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8017
Study of the Thermal History upon Residual Stresses during the Dry Drilling of Inconel 718
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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8018
Identification of Potential Migrants in Polyethylene Terephthalate Samples of Ecuadorian Market
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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8019
Ethylene-Vinyl Acetate (EVA) Containing Waste Hemp-Derived Biochar Fibers: Mechanical, Electrical, Thermal and Tribological Behavior
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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8020
Chemically reactive squeezed flow of magnetized Al2O3−PAO nanolubricant over a sensor surface with thermophoretic particle deposition
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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