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Engineering
Ke** Zhang
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Open AccessBlackening failure of poly-α-olefin impregnated porous polymide due to the splitting of lubrication oil catalyzed by iron
Lubrication failure accompanying with blackening phenomenon significantly reduces the long-running operational reliability of porous polymide (PPI) lubricated with poly-α-olefin (PAO) oil. Here, the effects of lu...
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Open AccessFriction as energy dissipation process associated with superlubricity of solids
The paper shows that work in a quantum system is quantized with energy; the quantum work is equivalent to the highest eigenenergy (the Debye energy) of the system and the superlubricity of solids is derived fr...
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Open AccessTopology optimization of AISI 4140 steel with surface texture filled by multi-solid lubricants for enhancing tribological properties
Wind power gears will be excessively worn due to lubrication failure during operation. Herein, the tribological properties of rubbing pairs are improved by filling solid lubricants into surface texture. In tex...
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Open AccessRecent advances in ocular lubrication
The ocular lubrication, where the eyelid constantly slides on the curved corneal surface, is considered as one of primary lubrication systems in bio-tribology. Under reliable lubrication conditions, sensitive ...
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Open AccessStructural superlubricity at homogenous interface of penta-graphene
Two-dimensional (2D) van der Waals layered materials have been widely used as lubricant. Penta-graphene (PG), a 2D carbon allotrope exclusively composed of irregular carbon pentagons has recently been predicte...
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Open AccessSelf-dispersed molybdenum disulfide quantum dot/graphene crumpled ball as efficient high temperature lubricant additive
Inorganic nanoparticles have been proved as powerful lubricant additives at elevated temperature. However, the tribological properties are inevitably impaired due to poor dispersion and insufficient high tempe...
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Open AccessExploring the relevance between load-bearing capacity and surface friction behavior based on a layered hydrogel cartilage prototype
Cartilage is well lubricated over a lifetime and this phenomenon is attributed to both of the surface hydration lubrication and the matrix load-bearing capacity. Lubricious hydrogels with a layered structure a...
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Open AccessWear behavior of copper material removal during fluid jet polishing: A comparative study between experiment and simulation
As a crucial part in micro-electromechanical manufacture, local ultra-precision processing of highly ductile copper is expected to be realized by fluid jet polishing (FJP), which widely utilized in optical ele...
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Open AccessBiomechanical energy harvesting technologies for wearable electronics: Theories and devices
Wearable biomechanical energy harvesting devices have received a lot of attention recently, benefiting from the rapid advancement of theories and devices in the field of the micro electromechanical system (MEM...
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Open AccessPhoto-induced grease/oil switched lubricant for friction regulation
Controllable friction regulation has drawn much interest in both scientific and industrial fields. And there have been many researches on friction regulation by many physical fields and chemical factors. Photo...
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Open AccessA new kinematic model for revolute clearance joints with noncircular bushing and pin in planar multibody systems
Due to manufacturing error and wear, the profiles of bushing and pin in revolute clearance joints are usually non-circular, while traditional kinematic models for revolute clearance joints generally assume a c...
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Open AccessCorrection to: Research on Real-time Detection of Stacked Objects Based on Deep Learning
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Open AccessDynamic nanomechanical characterization of cells in exosome therapy
Exosomes derived from mesenchymal stem cells (MSCs) have been confirmed to enhance cell proliferation and improve tissue repair. Exosomes release their contents into the cytoplasmic solution of the recipient c...
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Open AccessIntelligent Diagnosis Method for Typical Co-frequency Vibration Faults of Rotating Machinery Based on SAE and Ensembled ResNet-SVM
Intelligent fault diagnosis is an important method in rotating machinery fault diagnosis and equipment health management. To deal with co-frequency vibration faults, a type of typical fault in rotating machine...
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Open AccessTransferable preference learning in multi-objective decision analysis and its application to hydrocracking
Hydrocracking represents a complex and time-consuming chemical process that converts heavy oil fractions into various valuable products with low boiling points. It plays a pivotal role in enhancing the quality...
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Open AccessModeling and Validation of Diamagnetic Rotor Levitated by Permanent Magnetics
As an innovative, low-power consuming, and low-stiffness suspension approach, the diamagnetic levitation technique has attracted considerable interest because of its potential applicability in miniaturized mec...
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Open AccessNanomaterial-Based Repurposing of Macrophage Metabolism and Its Applications
A large-scale metabolic adaptation in M1-polarized macrophages compared with M2 macrophages, along with multiple altered metabolite parameters that can serve as potential targe...
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Open AccessA novel bayesian network-based ensemble classifier chains for multi-label classification
In this paper, we address the challenges of random label ordering and limited interpretability associated with Ensemble Classifier Chains (ECC) by introducing a novel ECC method, ECC-MOO&BN, which integrates B...
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Open AccessMultipath mitigation for GPS/Galileo/BDS-3 precise point positioning with overlap-frequency signals
The multipath effect is a major Global Navigation Satellite System (GNSS) error source due to its environment-dependent characteristic, which complicates its mitigation process for the high-rate determination ...
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Open AccessVelocity-Incorporated Wear Model of Rolling Guide Shoe Material Selection
To ensure an accurate selection of rolling guide shoe materials, an analysis of the intricate relationship between linear speed and wear is imperative. Finite element simulations and experimental measurements ...
