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Article
Open AccessAssociation of intensive blood pressure management with cardiovascular outcomes in patients using multiple classes of antihypertensive medications: a post-hoc analysis of the STEP Trial
High medication burden is associated with poor treatment effect and high risk of cardiovascular outcomes. This study aimed to investigate the association between the antihypertensive medication burden and card...
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Article
Open-Vocabulary Animal Keypoint Detection with Semantic-Feature Matching
Current image-based keypoint detection methods for animal (including human) bodies and faces are generally divided into fully supervised and few-shot class-agnostic approaches. The former typically relies on l...
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Article
Response Surface Optimization Design of G20CrMo Composite Surface Cylinder Texture Parameters and Analysis of Tribological Performance
Seventeen sets of gradient-sized cylindrical textures were designed and machined on G20CrMo surface, then filled SnAgCu to form a composite surface. Reciprocating friction tests were conducted under conditions...
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Article
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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Article
Optimization of Bionic Texture Parameters by Box–Behnken Method and Study on Tribological Performance of 42CrMo Self-Lubricating Composites in Solid–Liquid Composite Lubrication System
Inspired by the ability of biological structures to resist water pressure and flow resistance, this regulating mechanism was applied on the hydraulic cylinder. Bionic rhombic textures were combined with SnAgCu-Ti
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Article
Optimization of Bionic Textured Parameters to Improve the Tribological Performance of TC4-Based Self-Lubricating Composite Using Response Surface Methodology
Inspired by the fan-shaped scale and mechanism of mucus secretion of crucian carp surface, the bionic scale textures were designed and combined with Sn-Ag-Cu-Nb2C to fabricate TC4-based self-lubricating composite...
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Article
Friction and Wear Behavior of G20CrMo with Cylindrical Texture Filled with Sn-Ag-Cu under Different Conditions
Based on the characteristics of octopus arm suction cup shape and distribution, a laser cylindrical texture with dimensions of R = 500 μm, W = 200 μm, and H = 50 μm was designed on the surface of G20CrMo substrat...
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Article
Effect of Reciprocating Wear Frequency on Tribological Properties and Friction-Induced Vibration and Noise of 42CrMo-Based Hydraulic Cylinder
Heavy loads and fatigue wear of the contact areas between the hydraulic cylinder block and the sealing ring seriously affect the sealing performance. In order to prolong the service life of the hydraulic syste...
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Article
Coupling Effects of Biomimetic Texture with Solid Lubricants to Improve Tribological Properties of TC4 under Dry Sliding Conditions
Inspired by the scales on the surface of crucian carp, the biomimetic fan-shaped textures were designed and prepared on the TC4 contact surface and filled with solid lubricant SnAgCu-Nb2C (SACN). The coupling eff...
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Article
Tribological Behaviors and Friction-Induced Vibration and Noise Performance of TC4 with Microporous Channels Filled by Sn-Ag-Cu and Nb2C
Due to the excellent properties of titanium alloys, they are widely used in various fields. However, the poor tribological performance limits the further development of titanium alloys. In this paper, TC4 with...
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Article
Improving Tribological Performance of 42CrMo under Dry Sliding Conditions by Combining Rhombic-Textured Surfaces with Sn–Ag–Cu Solid Lubricant and MXene-Ti3C2TX
Inspired by rhombic textures on shark skin surface, this paper designs bionic micro-textures filled by solid lubricants SnAgCu and Ti3C2TX to improve the tribological properties of 42CrMo steel. Compared with 42C...
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Article
Tribological Behavior of 42CrMo Steel Under Grease Lubrication with Ti3C2 as an Additive
To improve the tribo-performance of molybdenum disulphide lithium grease (MDLG), the tribological behaviors of 42CrMo under grease lubrication with Ti3C2 as an additive were systematically studied. The results sh...
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Article
Effect of Deposited Sn-Ag-Cu Solid Lubricant and Grooves on Tribological Properties of 42CrMo Steel under Grease Lubrication
In order to meet the stricter friction performance requirements of large machinery in the application field of slewing bearing, 42CrMo steel is taken as the research object. Through the preparation of smooth s...
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Article
Tribological Properties and Frictional Noise Behavior of Inconel 625 with Micro-texture Filled by Sn-Ag-Cu
Improving the tribological properties and reducing the friction noise of Inconel 625 is of great significance for the extended application of Inconel 625 in mechanical parts and other fields. In this paper, co...
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Article
Synergetic Lubricating Performance of M50-SnAgCu-Nb2C Bionic Composites Fabricated by Laser Additive Manufacturing under Oil Lubrication
In view of the uneven lubricating film of M50 aviation bearings under high load, it is of great significance to explore how to improve its friction performance through the synergistic lubrication of solid lubr...
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Article
Tribological Behaviors and Friction-Induced Vibration and Noise Performance of TC4 with Bionic Coating Prepared by Laser Additive Manufacturing
The poor tribological performance of TC4 alloy limits its wide application in engineering field. Inspired by the layered structure of shell, the bionic composite coating of TC4-SnAgCu (TSAC) on TC4 was designe...
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Article
A Comprehensive Study on Center Loss for Deep Face Recognition
Deep convolutional neural networks (CNNs) trained with the softmax loss have achieved remarkable successes in a number of close-set recognition problems, e.g. object recognition, action recognition, etc. Unlik...
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Chapter and Conference Paper
PIVTONS: Pose Invariant Virtual Try-On Shoe with Conditional Image Completion
Virtual try-on – synthesizing an almost-realistic image for dressing a target fashion item provided the source human photo – has growing needs due to the prevalence of e-commerce and the development of deep le...
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Chapter and Conference Paper
Super-Identity Convolutional Neural Network for Face Hallucination
Face hallucination is a generative task to super-resolve the facial image with low resolution while human perception of face heavily relies on identity information. However, previous face hallucination approac...
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Chapter and Conference Paper
A Discriminative Feature Learning Approach for Deep Face Recognition
Convolutional neural networks (CNNs) have been widely used in computer vision community, significantly improving the state-of-the-art. In most of the available CNNs, the softmax loss function is used as the su...
