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Long-Distance Freezing Design and Construction Based on Monitoring Analysis of Subway Connection Aisle Coatings (IF 3.4) Pub Date : 2024-03-18 Yin Xu, Qiang Liu, Weiting Zhi, Guangqiang Shao, Peng Liu
In the context of a main road area with significant traffic flow, posing challenges to constructing the freezing station on the ground, an innovative proposal suggests situating the freezing station at the station. This approach aims to facilitate construction at the same time for the connection aisle, tunneling, and track laying, thereby reducing the construction period; however, this will lead to
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Ferroelectric Thin Films and Composites Based on Polyvinylidene Fluoride and Graphene Layers: Molecular Dynamics Study Coatings (IF 3.4) Pub Date : 2024-03-18 Vladimir Bystrov, Ekaterina Paramonova, Xiangjian Meng, Hong Shen, Jianlu Wang, Tie Lin, Vladimir Fridkin
This work is devoted to the study of nanosized polymer polyvinylidene fluoride (PVDF) thin ferroelectric films (two-dimensional ferroelectrics) and their composites with graphene layers, using molecular dynamics methods to (1) study and calculate the polarization switching time depending on the electric field and film thickness, (2) study and calculate the polarization switching time depending on changes
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Vascularization Reconstruction Strategies in Craniofacial Bone Regeneration Coatings (IF 3.4) Pub Date : 2024-03-18 Jiping Chen, Yu Da, Jing Yang, Guirong Zhu, Haiyan Qin
Craniofacial bone defects are usually secondary to accident trauma, resection of tumor, sever inflammation, and congenital disease. The defects of craniofacial bones impact esthetic appearance and functionality such as mastication, pronunciation, and facial features. During the craniofacial bone regeneration process, different osteogenic cells are introduced, including primary osteoblasts or pluripotent
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Application Research of Ultrasonic-Guided Wave Technology in Pipeline Corrosion Defect Detection: A Review Coatings (IF 3.4) Pub Date : 2024-03-18 Feng Lyu, Xinyue Zhou, Zheng Ding, Xinglong Qiao, Dan Song
This paper presents research on the application of ultrasonic-guided wave technology in corrosion defect identification, expounds the relevant ultrasonic-guided wave theories and the principle of ultrasonic-guided wave non-destructive testing of pipelines, and discusses the Lamb wave and shear horizontal wave mode selection that is commonly used in ultrasonic-guided wave corrosion detection. Furthermore
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Effect of Conformal Coating on Electrochemical Migration Behavior of Multi-Layer Ceramic Capacitor for Automotives Based on Water Drop Test Coatings (IF 3.4) Pub Date : 2024-03-18 Young-Ran Yoo, Seokyeon Won, Young-Sik Kim
A large amount of multi-layer ceramic capacitor (MLCC) is mounted inside a printed circuit board (PCB) constituting electronic components. The use of MLCC in electric vehicles and the latest mobile phones is rapidly increasing with the latest technology. Environments in which electronic components are used are becoming more diverse and conformal coatings are being applied to protect mounted components
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Investigation of Graphene Platelet-Based Dry Lubricating Film Formation in Tribological Contacts Coatings (IF 3.4) Pub Date : 2024-03-18 Florian Pape
Dry lubricants used in highly loaded rolling bearings are in the focus of current research. In previous studies, graphene platelets applied as dry lubricants on the surfaces of angular contact ball bearings demonstrated superior properties. These specific bearings, experiencing both rolling and spinning motion, create more severe conditions for dry lubricants. To gain deeper insights into the lubrication
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On the Thermally Induced Interfacial Behavior of Thin Two-Dimensional Hexagonal Quasicrystal Films with an Adhesive Layer Coatings (IF 3.4) Pub Date : 2024-03-16 Huayang Dang, Wenkai Zhang, Cuiying Fan, Chunsheng Lu, Minghao Zhao
The mechanical response of a quasicrystal thin film is strongly affected by an adhesive layer along the interface. In this paper, a theoretical model is proposed to study a thin two-dimensional hexagonal quasicrystal film attached to a half-plane substrate with an adhesive layer, which undergoes a thermally induced deformation. A perfect non-slipping contact condition is assumed at the interface by
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Influence of NaAlO2 Concentration on the Characteristics of Micro-Arc Oxidation Coating Fabricated on a ZK60 Magnesium Alloy Coatings (IF 3.4) Pub Date : 2024-03-16 Shu-Fan Zhou, Sheng Lu, Wei-Gang Lv, Ze-Xin Wang, Dubovyy Oleksandr, Jun-Jie Gu, Jin-Wei Zhang, Liang-Yu Chen
This study investigated the impact of NaAlO2 concentration in electrolytic solutions on micro-arc oxidation (MAO) coatings, focusing on their surface quality enhancement and corrosion resistance improvement. The surface morphology and microstructure of these coatings were assessed using scanning electron microscopy. Mechanical properties, such as hardness and wear resistance of MAO coatings, were tested
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Study of Nd-NiMoO4 Nanocomposites Prepared by Sol–Gel Method and Their Capacitive Properties Coatings (IF 3.4) Pub Date : 2024-03-11 Lijuan An, Tenghao Ma, Yiran Nie, Jing Wang
In this paper, NiMoO4 electrode materials doped with different concentrations of Nd rare earth metals were prepared by sol–gel method. Its morphology, structure, and spectral analysis were characterized by different scanning instruments, and the experimental results show that the NiMoO4 electrode material after adding 0.5% Nd doping showed excellent capacitance performance, with a specific capacity
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Cu–Ethanolamine Nanozymes Promote Urushiol Oxidation of Lacquer Coatings (IF 3.4) Pub Date : 2024-03-12 Yan Zhang, Ying Zhou, Lishou Ban, Tian Tang, Qian Liu, Xijun Liu, Jia He
In order to control the production cost of lacquer products, Cu–ethanolamine nanozymes were synthesized to simulate laccase to catalyze the oxidation and polymerization of urushiol. First-principles calculation results indicate that the D-band center of Cu center in the nanozymes was closer to the Fermi level than that of laccase, so Cu–ethanolamine was more conducive to the adsorption of substrate
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Understanding the Fracture Failure Mechanism of WC Particle-Reinforced FeCoCrNiMn High-Entropy Alloy Coatings at 600 °C Coatings (IF 3.4) Pub Date : 2024-03-12 Xinbo Wang, Shihan Zhang, Fei Zhao, Zhisheng Wu, Zhiwen Xie
A detailed electron microscopy study was performed to clarify the fracture mechanism of WC particles reinforced with FeCoCrNiMn high-entropy alloy coatings at 600 °C. Large-sized fibers and elemental segregation formed in the coating, triggering high local stress in the matrix alloy and resulting in a low tensile strength of 150 MPa. High temperature promoted the homogenization process of elemental
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Glasses, Frits and Glass-Ceramics: Processes and Uses in the Context of Circular Economy and Waste Vitrification Coatings (IF 3.4) Pub Date : 2024-03-14 María Belén Almendro-Candel, Manuel Miguel Jordán Vidal
For decades, experts have paid considerable scientific and technological attention to the possibility of recycling waste that has reached nature as a result of mining activities related to natural stone, extracting metal or using foreign matter to recover natural environments. Several authors have shown that many of these types of waste can be vitrified or synthesised with an appropriately designed
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Fabrication of pH-Responsive PDPAEMA Thin Film Using a One-Step Environmentally Friendly Plasma Enhanced Chemical Vapor Deposition Coatings (IF 3.4) Pub Date : 2024-03-14 Mehmet Gürsoy
In recent years, there has been growing interest in pH-responsive polymers. Polymers with ionizable tertiary amine groups, which have the potential to be used in many critical application areas due to their pKa values, have an important place in pH-responsive polymers. In this study, poly(2-Diisopropyl aminoethyl methacrylate) (PDPAEMA) thin films were coated on various substrates such as glass, fabric
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Experiment and Numerical Simulation on Thermal Cycling Performance of YSZ-Based Sealing Coatings with “Brick-Mud” Layered Structure Coatings (IF 3.4) Pub Date : 2024-03-15 Taotao Cheng, Yuelu Dong, Liang Ma, Zhibing Wu, Jun Wang, Xiang Ma, Zhiping Wang, Shijie Dai
The failure of premature thermal cycling spalling off is the bottleneck problem currently faced by yttrium oxide partially stabilized zirconia (YSZ) ceramic-based sealing coatings. Studies on the thermal cycling performance of coatings with “brick-mud” structures were carried out by experimental and simulation methods in this paper. The results showed that, as the thickness of “mud” layer increased
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Coating of Neural Electrodes with Platinum Nanoparticles Reduces and Stabilizes Impedance In Vitro and In Vivo in a Rat Model Coatings (IF 3.4) Pub Date : 2024-03-15 Svilen D. Angelov, Christoph Rehbock, Vaijayanthi Ramesh, Hans E. Heissler, Mesbah Alam, Stephan Barcikowski, Kerstin Schwabe, Joachim K. Krauss
The efficacy of electrodes that are chronically implanted and used in the context of deep brain stimulation (DBS) for the treatment of neurological disorders critically depends on stable impedance. Platinum–iridium electrodes were coated with laser-generated platinum nanoparticle colloids (PtNPs) via electrophoretic deposition using pulsed direct currents (DC-EPD). Uncoated electrodes were used as
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XPS and ARXPS for Characterizing Multilayers of Silanes on Gold Surfaces Coatings (IF 3.4) Pub Date : 2024-03-11 Giulio Casula, Marzia Fantauzzi, Bernhard Elsener, Antonella Rossi
X-ray photoelectron spectroscopy (XPS) and angle-resolved XPS (ARXPS) characterization of surface layers resulting from the functionalization of polymers such as polyvinylchloride (PVC) modified with 3(mercaptopropyl)-trimethoxysilane (MPTMS) and (3-aminopropyl) triethoxysilane (APTES) is challenging due to the overlap in signals, deriving both from the substrate and the functionalized layers. In this
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Evaluation of Microvoid and Microleakage Potential of Bulk-Fill Resin Composites in MOD Restorations Coatings (IF 3.4) Pub Date : 2024-03-11 Gözde Caník, Nuran Ulusoy, Kaan Orhan
Background: Polymerization shrinkage and microvoid formation has been a significant problem giving way to resin composite failure. The aim of this study was to evaluate the microvoid potential and microleakage of two bulk-fill and a microhybrid resin composite applied with different adhesive materials. Materials and Methods: MOD cavities were prepared in 60 endodontically treated maxillary premolars
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Corrosion Behavior of the 2024 Aluminum Alloy in the Atmospheric Environment of the South China Sea Islands Coatings (IF 3.4) Pub Date : 2024-03-12 Jing Zhao, Tongjun Zhao, Yazhou Zhang, Zhongtian Zhang, Zehao Chen, Jinlong Wang, Minghui Chen
The 2024 aluminum alloy, a structural material commonly used in aviation aircraft bodies, is susceptible to serious corrosion in marine atmospheric environments. This paper comprehensively studies the corrosion behavior of the 2024 aluminum alloy in the South China Sea atmosphere. Weighing, morphology observation, phase analysis, electrochemical testing, and other methods were used to study the corrosion
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Scratch Response of Hollow Cathode Radiofrequency Plasma-Nitrided and Sintered 316L Austenitic Stainless Steel Coatings (IF 3.4) Pub Date : 2024-03-12 Marcelo Broch, Cristian Padilha Fontoura, Arnaldo Oliveira Lima, Michell Felipe Cano Ordoñez, Izabel Fernanda Machado, Cesar Aguzzoli, María Cristina Moré Farias
Low-temperature plasma nitriding is a thermochemical surface treatment that promotes surface hardening and wear resistance enhancement without compromising the corrosion resistance of sintered austenitic stainless steels. Hollow cathode radiofrequency (RF) plasma nitriding was conducted to evaluate the influence of the working pressure and nitriding time on the microstructure and thickness of the nitrided
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Mechanical Grinding of Hydroxyapatite and Its Interaction with Titanium Coatings (IF 3.4) Pub Date : 2024-03-12 Axaule Mamaeva, Aidar Kenzhegulov, Aleksander Panichkin, Rinat Abdulvaliyev, Balzhan Kshibekova, Talgat Arynbayev
The development of promising biocompatible composites based on hydroxyapatite with a metallic component is of great interest to researchers. This article describes the synthesis of hydroxyapatite powder by the hydrolytic method and presents the results of mechanical grinding of hydroxyapatite powder. Additionally, in order to study the interaction between titanium and hydroxyapatite powders, the results
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Fabrication of Thin TEG (Bi-Ni) Using Magnetron Sputtering Technology and Investigations Coatings (IF 3.4) Pub Date : 2024-03-12 Žydrūnas Kavaliauskas, Arūnas Baltušnikas, Mindaugas Milieška, Vitas Valinčius
As the industry develops more and more, heat is produced during fabrication processes, resulting in an excess of heat. One of the ways to solve the problem can be the conversion of excess heat into electricity using a thermoelectric generator (TEG). The authors of this paper propose a method of using thin-film TEGs for electricity generation, a procedure that has been given little attention to in the
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Comparison of the Cathodic Protection of Epoxy Resin Coating/Zinc-Rich Coatings on Defective Areas under Atmospheric and Immersion Conditions: The Secondary Activation of Zinc Particles Coatings (IF 3.4) Pub Date : 2024-03-12 Wei Zhang, Wenting Xia, Zhiwei Chen, Guoqing Zhang, Sicheng Qian, Zhifeng Lin
The cathodic protection provided by epoxy coating/epoxy zinc-rich coatings on defective areas under atmospheric and immersion conditions was studied via a Q235 wire beam electrode (WBE), scanning electron microscopy, X-ray diffraction, and surface morphology analysis. The results showed that the cathodic protection processes under the two test conditions displayed significant differences. The effective
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Surface Modification of 42CrMo Steels: A Review from Wear and Corrosion Resistance Coatings (IF 3.4) Pub Date : 2024-03-12 Zhendong Zhang, Di Wang, Guanglei Liu, Yiyi Qian, Yuquan Xu, Dingding Xiang
This work reviews surface modification techniques for improving the wear and corrosion resistance of 42CrMo steel. The advantages and disadvantages of various methods, including thermal spraying, deposition, hardfacing, laser cladding, nitriding, and laser surface treatment, are discussed. The review elaborates on the materials commonly employed in laser cladding technology, including iron-based, cobalt-based
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Preservative Effects of Flaxseed Gum-Sodium Alginate Active Coatings Containing Carvacrol on Quality of Turbot (Scophthalmus maximus) during Cold Storage Coatings (IF 3.4) Pub Date : 2024-03-12 Xinrui Yang, Shiyuan Fang, Yao Xie, Jun Mei, Jing Xie
In this article, the effect of active coatings of flaxseed gum (FG) and sodium alginate (SA) containing carvacrol (CA) on the quality of turbot (Scophthalmus maximus) after storage at 4 °C for 18 days was evaluated. The experimental results showed that FG/SA-CA could effectively inhibit the growth of microorganisms. At the same time, FG/SA-CA reduced the value of odorous-related compounds including
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Temperature Analysis in Cubic Boron Nitrate Cutting Tool during Minimum Quantity Lubrication Turning with a Coconut-Oil-Based Nano-Cutting Fluid Using Computational Fluid Dynamics Coatings (IF 3.4) Pub Date : 2024-03-13 Subhash Khetre, Arunkumar Bongale, Satish Kumar, B. T. Ramesh
The minimum quantity lubrication (MQL) approach is used for improving tool life at a low cost, and it is environmentally friendly. When compared to traditional flood cooling technology, the flow rate in MQL is thought to be 10,000 times lower. The workpiece’s surface smoothness is enhanced by continuous chip formation during turning, but because the tool is always in touch with the chip, a crater wear
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Enhanced Wear and Corrosion Resistance of AZ91 Magnesium Alloy via Adherent Si-DLC Coating with Si-Interlayer: Impact of Biasing Voltage Coatings (IF 3.4) Pub Date : 2024-03-13 Changqing Cui, Chunyan Yang
Magnesium alloys are the lowest-density structural metals with a wide range of applications, such as aircraft skins, engine casings and automobile hubs. However, its low surface hardness and non-corrosion resistance in natural environments limit its wide range of applications. In this work, Si-DLC coatings (Si: 15 at.%) are fabricated on AZ91 alloy using a hollow cathode discharge combined with a DC
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Properties of Diamond-like Tungsten-Doped Carbon Coatings Lubricated with Cutting Fluid Coatings (IF 3.4) Pub Date : 2024-03-13 Krystyna Radoń-Kobus, Monika Madej, Joanna Kowalczyk, Katarzyna Piotrowska
In this paper, the authors investigated the impact of DLC coatings doped with tungsten (a-C:H:W) coatings obtained using plasma-assisted physical vapor deposition (PVD) on the properties of the 100Cr6 steel. The results of the 100Cr6 steel specimens with and without the coating were compared. Scanning electron microscopy (SEM) and energy dispersive X-ray (EDX) analysis were used to observe the morphology
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Mechanical Characterization of Resistance-Welded and Seamless API 5L X52 Pipes: A Comparative Study Coatings (IF 3.4) Pub Date : 2024-03-13 Gerardo Terán Méndez, Selene Irais Capula-Colindres, Julio César Velázquez, Daniel Angeles-Herrera, Noé Eliseo González-Arévalo, Esther Torres-Santillan, Arturo Cervantes-Tobón
It is well known that the mechanical properties of a steel plate depend on the anisotropy of the material and the rolling directions. This paper presents the results of the Charpy V-Notch (CVN) impact test for the ST, TL, TS, LS, LT, 45°, and SL directions in API 5L X52 pipelines with electric-resistance-welded (ERW) and seamless (SMLS) pipes. Charpy specimens were manufactured and tested according
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A Technical Study of Chinese Buddhist Sculptures: First Insights into a Complex History of Transformation through Analysis of the Polychrome Decoration Coatings (IF 3.4) Pub Date : 2024-03-13 Chiara Ricci, Paola Buscaglia, Debora Angelici, Anna Piccirillo, Enrica Matteucci, Daniele Demonte, Valentina Tasso, Noemi Sanna, Francesca Zenucchini, Sara Croci, Federico Di Iorio, Laura Vigo, Davide Quadrio, Federica Pozzi
Artifacts pertaining to Buddhist culture are often studied in relation to their circulation from India throughout the rest of Asia; however, many traveled to Europe during the last few centuries as trade commodities and pieces for the art market, losing any devotional purpose in favor of a specific aesthetic sensitivity that was typically adapted to Western taste to appeal to collectors. This article
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Coatings 2023 Early Career Investigator Award: Announcement and Interview with the Winner Coatings (IF 3.4) Pub Date : 2024-03-14 Coatings Editorial Office
What is your current research and why did you choose this research field [...]
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The Corrosion Resistance of Concrete-Filled Steel Tubes with the Assembly Unit of Na2MoO4 and Benzotriazole Coatings (IF 3.4) Pub Date : 2024-03-14 Di Wang, Zhiqiang Xu, Na Xu, Zengliang Hu, Hui Wang, Feiting Shi
Steel pipes are commonly used to strengthen the concrete’s load-bearing capacity. However, they are prone to corrosion in salt erosion environments. In this study, the influence of Na2MoO4 and benzotriazole on concrete-filled steel tubes’ corrosion performance is investigated. The steel pipes’ mass loss rates (MRs), ultrasonic velocity, electrical resistance, and the AC impedance spectrum and Tafel
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Fabrication of Particle-Stacking Microporous Metal Using Laser Powder Bed Fusion Coatings (IF 3.4) Pub Date : 2024-03-14 Jinyong Qiu, Xiaoqiang Xu, Xu Chen, Yaxiong Liu, Yanlong Wu
Laser powder bed fusion can fabricate porous structures through lattices, but the preparation of micropores (<50 μm) with a specific pore distribution remains a challenge. Microporous 316L was fabricated by controlling the melting and solidification behavior of the particles using laser energy. The laser energy density was not a determining factor for the porosity and micropore formation, except for
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Enhanced Biocompatibility and Osteogenic Property of Biodegradable Zn-0.5Li Alloy through Calcium–Phosphorus Coating Coatings (IF 3.4) Pub Date : 2024-03-14 Haotian Xing, Yunzhi Tang, Xinying Fa, Hongyun Zhang, Zhangzhi Shi, Shenglian Yao, Luning Wang
Zinc and its alloys have garnered significant attention in the field of biological implantation due to their biodegradable, osteogenic, and mechanical properties. However, the degradation of zinc and its alloys always lead to an increase in local ion concentration, and the bare metal surfaces lack biocompatibility for implantation. To address these issues, a layer of calcium–phosphorus (CaP) coating
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Study on Friction and Wear Characteristics of Axial Piston Pump Valve Plate Pairs Modified with Different Surface Energies Coatings (IF 3.4) Pub Date : 2024-03-10 Yingna Liang, Wei Wang, Miaomiao Shen, Zhepeng Zhang, Hao Xing, Cunyuan Wang, Dianrong Gao
To explore the friction and wear performance of the valve pair with different wetting combinations under various working conditions in hydraulic oil lubrication, a low surface energy modification method was adopted in this paper to improve the surface wettability of the upper sample composed of SAF2507 and the lower sample composed of CFRPEEK, and to prepare valve plate pairs with different wetting
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High-Temperature Tensile Behavior of an As-Cast Ni-W-Co-Ta Medium–Heavy Alloy Coatings (IF 3.4) Pub Date : 2024-03-08 Yong Li, Yi Xiong, Jinjin Tang, Shun Han, Fengzhang Ren, Chunxu Wang, Shubo Wang
High-temperature tensile experiments with tensile rates ranging from 0.01 s−1 to 10 s−1 were carried out at various temperatures ranging from 1000 °C to 1250 °C with a Gleeble-3800 thermal simulation tester to evaluate the physical properties of an as-cast Ni–W–Co–Ta medium–heavy alloy. The microstructure evolution of the alloy during high-temperature stretching was characterized by metallographic
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Effects of Laser Remelting on Frictional Properties of Supersonic Flame-Sprayed Coatings Coatings (IF 3.4) Pub Date : 2024-03-09 Fengbo Li, Conghui Zhang, Yan Li, Qingtao Pang
In this study, Cr3C2-Al2O3-NiCr coatings were prepared on INCONEL 600 alloy surfaces using the supersonic flame spraying technique, followed by a laser remelting treatment. In this way, this study further explored what impacts laser remelting has on coating performance. To this end, optical microscopy (OM), scanning electron microscopy (SEM), and electron backscatter diffraction (EBSD) were employed
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On the Thermal Shock Resistance and Failure Mechanism of the Pt-Modified Aluminide Bond Coating Coatings (IF 3.4) Pub Date : 2024-03-09 Zhihang Xie, Qing Liu, Xiaopeng Hu, Jinwei Guo, Wang Zhu
The failure mechanism of the Pt-modified aluminide (Pt-Al) bond coating (β-(Ni, Pt)Al coating) in a simulated service environment has seldom been investigated. Based on a self-developed thermal barrier coating service environment simulator, a thermal shock experiment of single-phase Pt-Al bond coating on DD419 substrate at a temperature of 1170 °C was conducted combined with a real-time monitoring
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Unveiling Nanogranular Advancements in Nickel-Doped Tungsten Oxide for Superior Electrochromic Performance Coatings (IF 3.4) Pub Date : 2024-03-07 Pritam J. Morankar, Rutuja U. Amate, Aviraj M. Teli, Sonali A. Beknalkar, Chan-Wook Jeon
Electrochromic materials allow for precise control of their optical properties by applying an electric field, which has led to recent developments in energy-saving and indoor temperature control systems like smart windows. The selective incorporation of metal dopants is an effective technique for generating highly advanced semiconducting metal oxides with precisely customized physicochemical characteristics
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Graphene Oxide as a Factor Modifying the Properties of Wood Coatings (IF 3.4) Pub Date : 2024-03-08 Izabela Betlej, Bogusław Andres, Sławomir Borysiak, Sławomir Jaworski, Marta Kutwin, Krzysztof Krajewski, Piotr Boruszewski
This work carried out research to determine the possibilities of using graphene oxide to provide wood with new functional features. With the saturation parameters used and working liquid with a concentration of 0.004% graphene oxide, the retention of the nanomaterial in wood was 0.25 kg/m3. The presence of graphene oxide increased the crystallinity of the wood to 64% (compared with 57% for unmodified
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Ag Behavior on TiN Thin Films for Decorative Coatings Coatings (IF 3.4) Pub Date : 2024-03-08 Antonio Carlos Santos de Arruda, Ronaldo Domingues Mansano, Nelson Ordonez, Ronaldo Ruas, Steven Frederick Durrant
TiN-Ag ceramic coatings deposited by magnetron sputtering on silicon wafers and AISI F138 stainless-steel substrates with different Ag concentrations were evaluated for their application as decorative coatings. The results obtained indicated an almost linear increase in the thickness and roughness of the film as a function of the increase in the silver content of the film. For Ag concentrations greater
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Emerging Trends in Smart Self-Healing Coatings: A Focus on Micro/Nanocontainer Technologies for Enhanced Corrosion Protection Coatings (IF 3.4) Pub Date : 2024-03-08 Simpy Sanyal, SeonJu Park, Ramachandran Chelliah, Su-Jung Yeon, Kaliyan Barathikannan, Selvakumar Vijayalakshmi, Ye-Jin Jeong, Momna Rubab, Deog Hawn Oh
Smart self-healing coatings offer a revolutionary approach to mitigating metal corrosion, a problem with significant economic and environmental impacts. Divided into intrinsic and extrinsic types, these coatings autonomously rectify the damage. Intrinsic variants utilize reversible bonds to achieve ongoing repair, while extrinsic ones incorporate micro/nanocontainers that activate upon environmental
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Wear Reduction on the Roller–Shoe Mechanism at High Operation Loads Coatings (IF 3.4) Pub Date : 2024-03-06 Constantin Răzvan Iordache, Carmen Bujoreanu, Stelian Alaci, Florina-Carmen Ciornei, Ionut-Cristian Romanu
The roller–shoe mechanism is a classic mechanical assembly with an essential role in motion transmission. Common rail high-pressure pumps are an example of a complex assembly that uses such a mechanism to transform the rotation motion into a translation one. The rolling element of the mechanism is represented by a cylindrical roller. Although it can carry heavy loads due to its design, a proper surface
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The Effect of Laser Power on the Microstructure and Wear Resistance of a Ni3Al-Based Alloy Cladding Layer Deposited via Laser Cladding Coatings (IF 3.4) Pub Date : 2024-03-06 Yihui Cai, Zhizhong Dong, Lin Zhao, Yun Peng, Yang Cao
A coating prepared via laser cladding has the advantages of a high-density reinforced layer, a low matrix dilution rate, and combination with matrix metallurgy. In this study, Ni3Al-based alloy cladding layers with Cr7C3 were prepared via laser cladding, and the corresponding microstructures and wear resistance were studied in detail. The results show that the Ni3Al-based cladding layer prepared using
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Crystalline Structure and Optical Properties of Cobalt Nickel Oxide Thin Films Deposited with a Pulsed Hollow-Cathode Discharge in an Ar+O2 Gas Mixture Coatings (IF 3.4) Pub Date : 2024-03-06 Anna Kapran, Rainer Hippler, Harm Wulff, Jiri Olejnicek, Lenka Volfova, Aneta Pisarikova, Natalia Nepomniashchaia, Martin Cada, Zdenek Hubicka
Cobalt nickel oxide films are deposited on Si(111) or fluorine-doped tin-oxide-coated (FTO) glass substrates employing a pulsed hollow-cathode discharge. The hollow cathode is operated with argon gas flowing through the nozzle and with O2 gas admitted to the vacuum chamber. Three different cathode compositions (Co20Ni80, Co50Ni50, and Co80Ni20) are investigated. Deposited and annealed thin films are
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An Edge Detection Algorithm for SEM Images of Multilayer Thin Films Coatings (IF 3.4) Pub Date : 2024-03-05 Wei Sun, Fang Duan, Jianpeng Zhu, Minglai Yang, Ying Wang
In processing multilayer thin film materials, scanning electron microscopy (SEM) is commonly employed for observation. In images of SEM, backscattered electron (BSE) images is particularly suitable for distinguishing different components and layers of the films. However, at high magnification levels, BSE images often have blurriness and noise, leading to low edge sharpness. This study proposes a method
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Effect of Temperature, Vacuum Condition and Surface Roughness on Oxygen Boost Diffusion of Ti–6Al–4V Alloy Coatings (IF 3.4) Pub Date : 2024-03-05 Yujie Xu, Yong Jiang, Jinyang Xie, Qingchen Xu, Hao Fei, Yilan Lu, Jianming Gong
Oxygen boost diffusion (OBD) is an effective technology for improving the surface hardness of titanium and its alloys. In this present paper, the effect of temperature, vacuum condition and surface roughness on oxygen boost diffusion of Ti–6Al–4V alloy are studied. Test results show that OBD processing can be achieved at a low temperature and over long times, as well as at a high temperature and over
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Hybrid Laser Additive Manufacturing of Metals: A Review Coatings (IF 3.4) Pub Date : 2024-03-06 Wenwen Yue, Yichuan Zhang, Zhengxin Zheng, Youbin Lai
Due to the unparalleled benefits of traditional processing techniques, additive manufacturing technology has experienced rapid development and continues to expand its applications. However, as industrial standards advance, the pressing needs for high precision, high performance, and high efficiency in the manufacturing sector have emerged as critical bottlenecks hindering the technology’s progress
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Prediction of Ship Painting Man-Hours Based on Selective Ensemble Learning Coatings (IF 3.4) Pub Date : 2024-03-06 Henan Bu, Zikang Ge, Xianpeng Zhu, Teng Yang, Honggen Zhou
The precise prediction of painting man-hours is significant to ensure the efficient scheduling of shipyard production and maintain a stable production pace, which directly impacts shipbuilding cycles and costs. However, traditional forecasting methods suffer from issues such as low efficiency and poor accuracy. To solve this problem, this paper proposes a selective integrated learning model (ISA-SE)
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A Facile Method for the Evaluation of the Adhesion Strength of Strain Gauges Coatings (IF 3.4) Pub Date : 2024-03-04 Zhibo Zhang, Dongfang Long, Qinghao Yang
The adhesion of strain gauges (SGs) onto the underlying spring element plays an important role not only during the fabrication of the SG sensors but also for the final performance of the sensors. A novel and facile method for the evaluation of the adhesion strength of SGs is proposed, tested, and validated in this paper. In comparison with the traditional peel tester method, this method demonstrated
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Wear Behavior of TiAlVN-Coated Tools in Milling Operations of INCONEL® 718 Coatings (IF 3.4) Pub Date : 2024-03-03 Naiara P. V. Sebbe, Filipe Fernandes, Franciso J. G. Silva, André F. V. Pedroso, Rita C. M. Sales-Contini, Marta L. S. Barbosa, Luis M. Durão, Luis L. Magalhães
The use of coatings on cutting tools offers several advantages from the point of view of wear resistance. A recent technique with great coating deposition potential is PVD HiPIMS. TiAlN-based coatings have good resistance to oxidation due to the oxide layer that is formed on their surface. However, by adding doping elements such as Vanadium, it is expected that the wear resistance will be improved
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Enhanced Surface Immunomodification of Engineered Hydrogel Materials through Chondrocyte Modulation for the Treatment of Osteoarthritis Coatings (IF 3.4) Pub Date : 2024-03-02 Jiapei Yao, Zhennan Huo, Jie Xu, Jingjing Shang, Yiping Weng, Dongmei Xu, Ting Liu, Yong Huang, Xindie Zhou
Osteoarthritis (OA) is characterized by cartilage degeneration and synovial inflammation, with chondrocytes playing a pivotal role in this disease. However, inflammatory mediators, mechanical stress, and oxidative stress can compromise functionality. The occurrence and progression of OA are intrinsically linked to the immune response. Current research on the treatment of OA mainly concentrates on the
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Innovation and Evaluations of 3D Printing Resins Modified with Zirconia Nanoparticles and Silver Nanoparticle-Immobilized Halloysite Nanotubes for Dental Restoration Coatings (IF 3.4) Pub Date : 2024-03-02 Karwan Rashid Darbandi, Bassam Karem Amin
Additive manufacturing technologies can be used to fabricate 3D-printed dental restorations. In this study, we evaluated the effectiveness of the functionalized loading of zirconium dioxide (ZrO2) nanoparticles and silver-nanoparticles-immobilized halloysite (HNC/Ag) nanotubes into 3D printing resins. We created 3D printing resins by adding different mass fractions of ZrO2 and HNC/Ag. First, six groups
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Degradation Rate Control Issues of PEO-Coated Wrought Mg0.5Zn0.2Ca Alloy Coatings (IF 3.4) Pub Date : 2024-03-02 Lara Moreno, Marta Mohedano, Raul Arrabal, Endzhe Matykina
Bioactive plasma electrolytic oxidation (PEO) coatings were developed on a wrought Mg0.5Zn0.2Ca alloy using a transparent electrolyte for easy maintenance and waste disposal, compared to a conventional suspension-based solution. Treatment times of 300, 600, and 900 s were evaluated for their effects on coating morphology, composition, and corrosion resistance. A short-time electrochemical impedance
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Analysis of Causes and Protective Measures against Corrosion Perforation in the Shell-Side Outlet Flange of a Sour Water Steam Heater Coatings (IF 3.4) Pub Date : 2024-03-01 Haiming Liang, Zhihong Duan, Weiming Li
Heat exchangers, as essential devices for facilitating heat transfer, have found a variety applications in various industries. However, the occurrence of corrosion-related failures in real-world scenarios remains a prevalent problem that can lead to catastrophic incidents. This paper investigates the problem of corrosion perforation on the outlet flange of a heat exchanger in a sour steam stripper
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Thermal Sprayed Protective Coatings for Bipolar Plates of Hydrogen Fuel Cells and Water Electrolysis Cells Coatings (IF 3.4) Pub Date : 2024-03-01 Tao Liu, Youkun Tao, Yanli Wang, Mingfeng Wu, Jin Zhang, Yang Yu, Xingfu Wang, Jing Shao
As one core component in hydrogen fuel cells and water electrolysis cells, bipolar plates (BPs) perform multiple important functions, such as separating the fuel and oxidant flow, providing mechanical support, conducting electricity and heat, connecting the cell units into a stack, etc. On the path toward commercialization, the manufacturing costs of bipolar plates have to be substantially reduced
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Feasibility Study on Biodegradable Black Paper-Based Film Solidified Using Cooked Tung Oil Coatings (IF 3.4) Pub Date : 2024-02-26 Yi Wu, Yicheng Shi, Yudie Zhao, Yu Yin
New biodegradable paper-based films are a hot research topic in the development of green agriculture. In this study, a black paper-based film coated with cooked tung oil with excellent mechanical properties, a hydrophobic surface, high heat transfer and strong weather resistance was prepared by spraying high-pigment carbon black solution on the surface of base paper. The results showed that the surface-solidified
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An Image Classification Method of Unbalanced Ship Coating Defects Based on DCCVAE-ACWGAN-GP Coatings (IF 3.4) Pub Date : 2024-02-27 Henan Bu, Teng Yang, Changzhou Hu, Xianpeng Zhu, Zikang Ge, Honggen Zhou
Affected by the improper operation of the workers, environmental changes during drying and curing or the quality of the paint itself, diverse defects are produced during the process of ship painting. The traditional defect recognition method relies on expert knowledge or experience to detect defects, which is not conducive to ensuring the effectiveness of defect recognition. Therefore, this paper proposes
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Numerical Modelling and Simulation for Sliding Wear Effect with Microstructural Evolution of Sputtered Titanium Carbide Thin Film on Metallic Materials Coatings (IF 3.4) Pub Date : 2024-02-29 Musibau Olalekan Ogunlana, Mammo Muchie, Jan Swanepoel, Olukorede Tijani Adenuga, Oluseyi Philip Oladijo
Titanium carbide materials are introduced into manufacturing industries for the reinforcement and surface protection of base materials due to their substantial ability to withstand severe environments, which include sliding wear, corrosion, and mechanical failures. A thin film of titanium carbide (TiC) is coated onto brass and copper substrates using the radio frequency magnetron sputtering (RFMS)
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Effect of Spark Plasma Sintering Temperature on the Microstructure and Thermophysical Properties of High-Silicon–Aluminum Composites Coatings (IF 3.4) Pub Date : 2024-02-29 Zhaoyang Kong, Zhipeng Wang, Yingmin Li, Runxia Li
Spark plasma sintering is a process of rapid, low-temperature, and high-density sintering. Moreover, traditional sintering methods can solve the problems of large grain sizes and low densities. The sintering temperature plays a crucial role in influencing the physical properties of high-silicon–aluminum (Si-Al) composites. This work investigated the impact of temperature on the microstructure, interface
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Brazing Temperature Effects on the Microstructure and Mechanical Properties of Ti-45Al-8Nb Joints Using TiZrCuNi Amorphous Interlayer Coatings (IF 3.4) Pub Date : 2024-02-29 Sheng Wang, Tianle Xu, Yingchen Wu, Xiguo Chen, Xiaohong Yang
Ti-45Al-8Nb alloy is widely utilized in the lightweight design of the aerospace field because of its excellent properties. In order to make full use of this alloy, it is important to carry out relevant research, such as into the joining process of Ti-45Al-8Nb alloy. In this work, Ti-45Al-8Nb alloys were successfully connected by a TiZrCuNi amorphous interlayer, which was fabricated using the rapid