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Friction
Scopus
ISSN 2223-7690 · Tsinghua University Press · 764 artikel di indeks
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Artikel Jurnal
An NURBS-based isogeometric analysis model for soft EHL contacts
This paper presents a non-uniform rational B-splines (NURBS)-based isogeometric analysis (IGA) framework for modeling both hard and soft elastohydrodynamic lubrication (EHL) contacts under the fully flooded condition. Unlike conventional approaches, the framework incorporates nonlinear solid…
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Artikel Jurnal
Insights into the microstructure transformation and ultralow tribological behavior of WS2 coatings
Tungsten disulfide (WS2)-based coatings have excellent thermal stability and self-lubricating properties and are considered better lubricating materials at elevated temperatures. This work reports that a WS2 coating can achieve ultralow friction behavior after sliding for a period of time when the…
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Artikel Jurnal
Interfacial slip modulated by water structure at negatively charged surface
The mechanism of interfacial slip is highly important in many applications. In this work, the interfacial slip length is calculated on the basis of atomic force microscopy measurements of different solutions on different surfaces. The results show that solutions with higher concentration, cations…
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Artikel Jurnal
A review on the tribology of carbon coatings on rubber
Rubber is widely used as a crucial sealing material in the aerospace, petrochemical, and automotive industries to prevent contaminants from entering enclosures and lubricants from leaking. However, severe wear and friction occur during sliding motion, which are major causes of seal failure and…
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Artikel Jurnal
The implementation of the Johnson–Kendall–Roberts formalism on the basis of numerically simulated contact problems
The Johnson–Kendall–Roberts (JKR) theory remains the most cited model of adhesive contact. It was demonstrated that the JKR theory can be substantially extended, allowing adhesive JKR-type contact problems to be solved through an explicit transformation of the corresponding nonadhesive Hertz-type…
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Artikel Jurnal
Wrinkle-engineered self-dispersed MoS2/graphene hybrids for enhanced high-temperature lubrication
Self-dispersed graphene crumpled balls (GCBs) demonstrate exceptional tribological performance as lubricant additives at elevated temperatures. However, the critical relationships among unique wrinkle architectures, internal porosity characteristics, and resultant dispersion…
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Artikel Jurnal
High wear/corrosion resistance of PI coating: Exploration via interfaces, bonding, and structure
This study discusses the mechanism by which Ti3C2Tx MXene enhances the wear/corrosion resistance of polyimide (PI) coatings from the perspectives of interface interaction, bonding and filler structure. Despite the excellent performance of Ti3C2Tx MXene, its challenges in forming strong interface…
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Artikel Jurnal
Study on the interface and morphological control mechanism of a calcium sulfonate grease thickener
In this study, lauric acid was introduced during the growth of a thickener of calcium sulfonate grease, and the low-temperature fluidity and drop point of the grease were greatly improved by regulating the morphology of the thickener and the oil-fixing ability of the surface. The aspect ratio of…
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Artikel Jurnal
A novel analysis model for friction-induced vibration coupling microscopic contact characteristics and system structural parameters
Both the microscopic topography of friction surfaces and system structural parameters are critical factors influencing the characteristics of friction-induced vibration (FIV). However, no existing analytical model for FIV has incorporated these factors. To address this issue, we developed a novel…
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Artikel Jurnal
Dynamic friction torque modeling and experimental study of ball screw actuators under high-frequency reciprocating motion
The dynamic load and transient lubrication effects strongly influence the friction torque of ball screw actuators (BSAs) under high-frequency reciprocating conditions. However, the available studies rarely consider the transient effects of rough surfaces under dynamic loads. In this paper, a…
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Artikel Jurnal
Tribology and particle emission from Al–SiCp MMC brake discs with secondary aluminum
This study evaluated the friction, wear, and airborne brake wear particle (BWP) emissions of aluminum-based metal matrix composite brake discs fabricated from recycled aluminum alloy reinforced with silicon carbide particles (Al–SiCp MMC). The study further conducted a comparative analysis of the…
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Artikel Jurnal
Tribology of the integrated texture-adhesive-microparticle-fiber surface
A sustainable method is proposed to improve the friction reduction and wear resistance of high-hardness surfaces, which provides a useful reference for cutting tools. Nylon fibers were implanted in a meshed texture containing microparticles (Fe3O4) on the high-speed steel (HSS) surface using the…
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Artikel Jurnal
Advanced cavitation damage and erosion modeling for journal bearings in high-power density engines: Towards enhanced performance and reliability
Reliability is critical in high-power density engines, where components operate under extreme conditions to achieve optimal performance. These demanding conditions give rise to complex multiphysics and multiscale interfacial phenomena, contributing to early wear stages, poor performance, and…
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Artikel Jurnal
Atomistic insights into graphene/fullerene nanoparticles coupled surface topography features in solid–liquid composite lubrication
Graphene and fullerene nanoparticles exhibit remarkable tribological performance in solid–liquid composite lubrication systems. However, the atomic-scale understanding of how surface topography influences tribological behavior and performance is still limited. Herein, the mechanisms by which…
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Artikel Jurnal
Lubricant infiltration physics and enabling technology in machining: Modeling and machinability
Lubricants are essential in machining because they significantly affect workpiece surface quality. However, owing to the diversity of lubricant types and the complexity of infiltration physics, there remains an urgent need to improve infiltration performance on the basis of the underlying physical…
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Artikel Jurnal
Study of graphene-family nanomaterials as grease additives for electroregulated friction
Graphene (GN)-family materials show significant potential as electroregulated lubrication additives because of their tunable properties under electrical stimuli. However, a comprehensive comparison of their performance under such conditions is lacking, limiting their broader industrial adoption…
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Artikel Jurnal
Energy analysis of contact nonlinear transitions: Insights on the origin of limit cycles and bi-stable states in friction-induced instabilities
This work explores the bi-stable behavior of a frictional system susceptible to mode-coupling instability. The focus is placed on the variations of the energy flows at the contact, due to external perturbations, and the role of contact nonlinearities on the system dynamic response. A lumped…
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Artikel Jurnal
A review of asphalt pavement long-term skid resistance performance based on multi-scale texture evolution characterization
Road transport safety and comfort have gradually become the focus of social attention with the rapid development of superhighways and intelligent driving technology. To identify the research status and hotspots in skid resistance performance of asphalt pavement, this study reviews the tire‒road…
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Artikel Jurnal
Toward lithium-free tribology: Design and performance of plant oil-based greases thickened with functionalized nanoclays
To address the persistent environmental concerns of petroleum-based lubricants, we report on a new class of high-performance, sustainable greases. These were formulated by combining select vegetable oils, including the structurally unique Orychophragmus violaceus (OV) seed oil, with an oleic…
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Artikel Jurnal
Stability of friction-induced vibrations in water-lubricated bearings with interfacial mechanical effects
In this work, a friction-induced vibration model for water-lubricated bearings (WLBs) is developed. The model incorporates interfacial mechanical effects, including the stiffness and damping coefficients of the water film, contact stiffness of asperities, elastic deformation of the bush, etc. To…