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Gotowe bibliografie tematyczne / Morphology and properties of the coatings / Artykuły w czasopismach

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Artykuły w czasopismach na temat „Morphology and properties of the coatings”

Autor: Grafiati

Data publikacji: 3 czerwca 2025

Data aktualizacji: 31 lipca 2025

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1

Kulesh, Е. А., D. G. Piliptsou, A. V. Rogachev, J. X. Hong, N. N. Fedosenko, and V. Kolesnyk. "Boron-Carbon Coatings: Structure, Morphology, and Mechanical Properties." Journal of Engineering Sciences 7, no. 2 (2020): C1—C9. http://dx.doi.org/10.21272/jes.2020.7(2).c1.

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Boron-doped carbon coatings have been produced by a method combining the deposition of a pulsed carbon plasma coating and a boron flow formed as a result of the evaporation of a boron target by pulsed YAG: Nd3+ laser irradiation. Phase, chemical composition, structure, and mechanical properties of composite boron-carbon coatings have been determined. Changes in the coatings’ roughness depending on the boron concentration have been established using atomic force microscopy. It has been shown that the grain size is on the rise with increasing boron concentration. Raman spectroscopy has revealed

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Pawłowski, Łukasz, Michał Bartmański, Aleksandra Mielewczyk-Gryń, and Andrzej Zieliński. "Effects of Surface Pretreatment of Titanium Substrates on Properties of Electrophoretically Deposited Biopolymer Chitosan/Eudragit E 100 Coatings." Coatings 11, no. 9 (2021): 1120. http://dx.doi.org/10.3390/coatings11091120.

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The preparation of the metal surface before coating application is fundamental in determining the properties of the coatings, particularly the roughness, adhesion, and corrosion resistance. In this work, chitosan/Eudragit E 100 (chit/EE100) were fabricated by electrophoretic deposition (EPD) and both their microstructure and properties were investigated. The present research is aimed at characterizing the effects of the surface pretreatment of titanium substrate, applied deposition voltage, and time on physical, mechanical, and electrochemical properties of coatings. The coating’s microstructu

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Sedelnikova, Mariya, Olga Bakina, Anna Ugodchikova та ін. "The Role of Microparticles of β-TCP and Wollastonite in the Creation of Biocoatings on Mg0.8Ca Alloy". Metals 12, № 10 (2022): 1647. http://dx.doi.org/10.3390/met12101647.

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The introduction of particles into the composition of coatings can significantly expand the range of properties and possibilities of the modified materials. In this work, the coatings containing microparticles of β-tricalcium phosphate (β-TCP) and wollastonite separately and in combination with each other were created on the surface of an Mg0.8Ca alloy. The morphology and microstructure of the coatings were examined by scanning and transmission electron microscopy. Their phase composition was determined with the help of X-ray diffraction analysis. The coating-to-substrate adhesion evaluation w

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Miszczak, Sebastian, and Bożena Pietrzyk. "Morphology and Structure of Al2O3 + Graphene Low-Friction Composite Coatings." Coatings 12, no. 8 (2022): 1153. http://dx.doi.org/10.3390/coatings12081153.

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Recently, graphene and its derivatives have been of particular interest as a solid lubricant to reduce friction. The aim of this study was to investigate the morphology and structure of low-friction Al2O3 coatings containing reduced graphene oxide (rGO). Using two types of rGO, alumina coatings were produced by the sol–gel dip-coating method and characterized in terms of morphology and structure using SEM and AFM microscopy and Raman spectroscopy. It was found that composite Al2O3 + rGO coatings had diversified morphology depending on the type of graphene used. The dip-coating method used for

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5

Ciobanu, Steluta Carmen, Simona Liliana Iconaru, Daniela Predoi, Alina Mihaela Prodan, and Mihai Valentin Predoi. "Physico-Chemical Properties and In Vitro Antifungal Evaluation of Samarium Doped Hydroxyapatite Coatings." Coatings 10, no. 9 (2020): 827. http://dx.doi.org/10.3390/coatings10090827.

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Hydroxyapatite (HAp) and samarium doped hydroxyapatite, Ca10−xSmx(PO4)6(OH)2, xSm = 0.05, (5SmHAp), coatings were prepared by sol-gel process using the dip coating method. The stability of 5SmHAp suspension was evaluated by ultrasound measurements. Fourier transform infrared spectroscopy (FTIR) was used to examine the optical characteristics of HAp and 5SmHAp nanoparticles in suspension and coatings. The FTIR analysis revealed the presence of the functional groups specific to the structure of hydroxyapatite in the 5SmHAp suspensions and coatings. The morphology of 5SmHAp nanoparticles in suspe

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Jia, Ziyang, Chunyang Ma, and Hongbin Zhang. "PLGA Coatings and PLGA Drug-Loading Coatings for Cardiac Stent Samples: Degradation Characteristics and Blood Compatibility." Coatings 11, no. 11 (2021): 1427. http://dx.doi.org/10.3390/coatings11111427.

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PLGA (Poly lactic-co-glycolic acid) and PLGA drug-loading coatings were prepared on 316 L stainless steel by electrostatic spray deposition (ESD). The surface morphology, three-dimensional morphology, and crystal structures of the coatings were observed by scanning electron microscopy (SEM), atomic force microscopy (AFM), and X-ray diffraction (XRD). Thermal properties, molecular weight, and coating composition were studied by differential scanning calorimetry (DSC), gel permeation chromatography (GPC), and NMR. The degradation behaviors of the coatings were studied by mass changes, relative m

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7

CHELASHAW, ALLAN KIPRUTO, HUAPING WANG, CHAOSHENG WANG, and LIFENG LI. "MORPHOLOGY AND RADIATIVE PROPERTIES OF SOL–GEL NANOCOMPOSITE COATINGS IN ELECTRONICS COOLING APPLICATIONS." Modern Physics Letters B 27, no. 10 (2013): 1350067. http://dx.doi.org/10.1142/s021798491350067x.

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Coatings composed of mixed nanoparticles in Silica and Titania sol matrices were prepared by sol–gel spray coating method. The coatings were characterized using scanning electron microscopy (SEM), FT-IR spectroscopy and Infrared thermal imaging. The thermal Infrared Emissivity of the coatings was determined using IR-1 spectrometer. The coating solutions were applied onto sand blasted aluminum substrates. Results indicated that mixed nanoparticles can be well dispersed in sol to give coatings with good heat emission properties. High emissivity of 0.915–0.941 was achieved, and the coatings showe

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8

ZHANG, Y., W. FAN, H. Q. DU, and Y. W. ZHAO. "MICROSTRUCTURE AND WEARING PROPERTIES OF PEO COATINGS: EFFECTS OF Al2O3 AND TiO2." Surface Review and Letters 25, no. 05 (2018): 1850102. http://dx.doi.org/10.1142/s0218625x18501020.

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Plasma electrolytic oxidation (PEO) coatings were formed on aluminium alloy in additive Al2O3- and TiO2-containing Na2SiO3-based electrolytes, respectively. The effect of these additives on morphology, composition and wearing properties of coatings was investigated. The morphology and composition of coatings were studied by means of scanning electron microscopy (SEM) and X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS). Analysis of wearing properties of coatings were done by friction and wearing experiment. It was found that the use of additives greatly affects the surface morph

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9

An, Zhao, Ming Ya Li, Nian Hao Ge, Xiao Ying Li, Qiu Fan Li, and Min Chen. "Study on the Fabrication and Properties of Ni-P Composite Coating." Key Engineering Materials 537 (January 2013): 265–68. http://dx.doi.org/10.4028/www.scientific.net/kem.537.265.

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In this paper, the method of electroless deposition of nickel-phosphorous composite coating on the sample surface is employed. The effect of the complexing agent ratio on the surface morphology and phase composition of nickel-phosphorus coating when the main salt and reducing agent concentration unchanged has been studied. The influence of heat treatment on properties and microstructure of coatings are also investigated. Experimental results show that in the case of salt and reducing agent concentration unchanged, complexing agent concentration has strong effect on the morphology of the coatin

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10

Turkoglu, Sevil, Jinde Zhang, Hanna Dodiuk, Samuel Kenig, Jo Ann Ratto, and Joey Mead. "Dynamic Wetting Properties of Silica-Poly (Acrylic Acid) Superhydrophilic Coatings." Polymers 15, no. 5 (2023): 1242. http://dx.doi.org/10.3390/polym15051242.

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Superhydrophilic coatings based on a hydrophilic silica nanoparticle suspension and Poly (acrylic acid) (PAA) were prepared by dip coating. Scanning Electron Microscopy (SEM) and Atomic Force Microscopy (AFM) were used to examine the morphology of the coating. The effect of surface morphology on the dynamic wetting behavior of the superhydrophilic coatings was studied by changing the silica suspension concentration from 0.5% wt. to 3.2% wt. while keeping the silica concentration in the dry coating constant. The droplet base diameter and dynamic contact angle with respect to time were measured

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11

Chang, Wei Jie, Hao Zhang, Xue Xue, et al. "Effects of Bias Voltage on Microstructure, Hardness and Bonding Strength of TiN Coating Deposited by High Power Pulsed Magnetron Sputtering." Solid State Phenomena 281 (August 2018): 534–39. http://dx.doi.org/10.4028/www.scientific.net/ssp.281.534.

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Generally, bias voltage exercises a great influence on micro-properties (morphology, preferred orientation, mechanical properties, and so on) of the coatings in the process of coating deposited. In order to more systematically explore the influence of bias voltage on microstructure, hardness and adhesion of TiN coatings, TiN coatings were deposited successfully on the surface of 316 stainless steel by high power pulsed magnetron sputtering (HPPMS). A field emission scanning electron microscopy equipped with energy dispersive spectrometer (FESEM/EDS) and an X-ray diffractometer were employed to

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12

Wang, Xinsheng, and Zhiguo Xing. "Preparation and Properties of Composite Nanoceramic NiCrBSi-TiO2/WC(Co) Coatings." Coatings 10, no. 9 (2020): 868. http://dx.doi.org/10.3390/coatings10090868.

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Using the supersonic plasma spraying (SPS) technique, the preparation of a NiCrBSi (Ni60) coating was achieved by adding nano TiO2 in Ni60 coating with WC ceramic particles. Ni60-TiO2 (Ni60T) and Ni60-TiO2/WC coating (Ni60TW) were successfully prepared. Results show that of the three, Ni60T had the best densification, the porosity of the Ni60T coating exhibited the best value of 1.3%, and also has a stronger hardness value of 890 HV. At the same time, the coating corrosion resistance, wear coefficient, and the wear morphology of Ni60T are superior to Ni60 and Ni60TW coatings. It is added TiO2

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13

Piatkova, Mariia, Arina Pleshkova, Dmitry Mashtalyar, et al. "Formation of composite coatings: morphology and composition studies." MATEC Web of Conferences 376 (2023): 01005. http://dx.doi.org/10.1051/matecconf/202337601005.

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In this work, composite fluoropolymer-containing coatings were obtained on samples of AMg3 aluminium alloy, MA8 magnesium alloy, and VT1-0 commercially pure titanium treated by plasma electrolytic oxidation (PEO). Superdispersed polytetrafluoroethylene (SPTFE) and a solution of tetrafluoroethylene (TFE) telomers in acetone were applied onto preliminarily formed PEO layers by the spray-coating method. The obtained coatings contained a large amount of crystalline polytetrafluoroethylene embedded in the outer porous layer of the PEO coating and did not have visible defects, which indirectly indic

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14

Bartmański, Michał, Łukasz Pawłowski, Andrzej Zieliński, Aleksandra Mielewczyk-Gryń, Gabriel Strugała, and Bartłomiej Cieślik. "Electrophoretic Deposition and Characteristics of Chitosan–Nanosilver Composite Coatings on a Nanotubular TiO2 Layer." Coatings 10, no. 3 (2020): 245. http://dx.doi.org/10.3390/coatings10030245.

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The surface treatment of titanium implants has been applied mainly to increase surface bioactivity and, more recently, to introduce antibacterial properties. To this end, composite coatings have been investigated, particularly those based on hydroxyapatite. The present research was aimed at the development of another coating type, chitosan–nanosilver, deposited on a Ti13Zr13Nb alloy. The research comprised characterization of the coating’s microstructure and morphology, time-dependent nanosilver dissolution in simulated body fluid, and investigation of the nanomechanical properties of surface

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15

Zhang, Miao, Yu Zhang, Pengyu Dai, Lin Zhao, Liping Wu, and Shendian Li. "Study on the Process Parameters and Corrosion Resistance of FeCoNiCrAl High Entropy Alloy Coating Prepared by Atmospheric Plasma Spraying." Materials 18, no. 7 (2025): 1396. https://doi.org/10.3390/ma18071396.

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FeCoNiCrAl high-entropy alloy (HEA) coating was prepared by air plasma spraying, and the coating’s morphology and properties under different power parameters were analyzed. The results show that the spraying power significantly affects the morphology of the coating during plasma spraying. The molten droplets formed during the preparation process of HEA coatings tend to combine with oxygen, with aluminum bonding particularly strongly with oxygen, resulting in the presence of aluminum oxide within the coating, while other elements exhibit weaker bonding with oxygen. The optimal spraying power is

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16

Zhao, Fan, Hong Hu, Jiaxin Yu, et al. "Mechanical and Tribological Properties of Ni-B and Ni-B-W Coatings Prepared by Electroless Plating." Lubricants 11, no. 2 (2023): 42. http://dx.doi.org/10.3390/lubricants11020042.

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Ni-B binary coating and Ni-B-W ternary coating were successfully prepared on titanium alloy (TC4) substrates by electroless plating to improve the hardness and wear resistance, followed by annealing treatment for better mechanical properties and tribological properties. The morphology, composition, microstructure, mechanical properties, and tribological behaviors of the coatings were characterized. Both as-plated coatings were amorphous, while the composition and morphology of the Ni-B-W coating differed from those of the Ni-B coating. Additionally, the Ni-B-W coating had better mechanical and

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17

Zhang, Xiuli, Zhilan Liu, Xu Wang, Xiufang Xu, Yongling Wu, and Diben Wu. "Comparative Study of Anti-Sticking Properties of Coatings for Tire Molds." Coatings 12, no. 11 (2022): 1740. http://dx.doi.org/10.3390/coatings12111740.

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To improve the anti-sticking performance of tire molds, six types of coatings (i.e., nano-ceramic coating, bilayer waterborne polytetrafluoroethylene (PTFE) coating, fluorinated ethylene propylene (FEP)-based Whitford coating, PTFE, FEP, and perfluoroalkoxy (PFA) aqueous dispersions) were selected to modify type-45 steel specimens by air spraying. Their wettability, microstructure, demolding force, and anti-fouling properties in rubber vulcanization tests were studied. The results show that the demolding forces of the coatings were at least 24% lower than that of uncoated surface. Whitford coa

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18

Volarič, Barbara, Anca Mazare, Sannakaisa Virtanen, and Ingrid Milošev. "The Effect of Deposition Parameters on the Properties of CeCl3 and LaCl3 Conversion Coatings Deposited on Three Al-Based Substrates." CORROSION 76, no. 1 (2019): 18–38. http://dx.doi.org/10.5006/3303.

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Cerium and lanthanum conversion coatings were deposited from solution of CeCl3 and LaCl3 salts on three aluminum-based substrates: Al, AA2024-T3, and AA7075-T6 to investigate the effect of conversion temperature, conversion time, and addition of hydrogen peroxide. Coatings prepared under different conditions were then analyzed in terms of corrosion properties in 0.1 M NaCl, morphology, topography, and composition. Morphology and composition of the coatings were analyzed using scanning electron microscopy with energy dispersive x-ray spectrometry and x-ray photoelectron spectroscopy. Corrosion

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19

Savulyak, V., V. Shenfeld, O. Shylina, and I. Vishtak. "Management of morphology and structure besieged coatings." Problems of tribology 97, no. 3 (2020): 70–73. http://dx.doi.org/10.31891/2079-1372-2020-97-3-70-73.

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The article investigates structure formation during surfacing of high-carbon coatings. The presence of a functional relationship between the lifetime of the weld pool and the formed structures of the deposited metal has been established. To change the time of existence of the weld pool, it is proposed to use a change in the deposition rate, surfacing modes and other factors. For various modes of existence of the weld pool, the presence of structures where the amount of retained austenite varies within wide limits was revealed. The ability to provide the necessary physical, mechanical and tribo

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20

Cieślak, Grzegorz, Marta Gostomska, Adrian Dąbrowski, et al. "Production of Cu/Diamond Composite Coatings and Their Selected Properties." Materials 17, no. 12 (2024): 2803. http://dx.doi.org/10.3390/ma17122803.

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This article presents Cu/diamond composite coatings produced by electrochemical reduction on steel substrates and a comparison of these coatings with a copper coating without diamond nanoparticles (<10 nm). Deposition was carried out using multicomponent electrolyte solutions at a current density of 3 A/dm2 and magnetic stirring speed of 100 rpm. Composite coatings were deposited from baths with different diamond concentrations (4, 6, 8, 10 g/dm3). This study presents the surface morphology and structure of the produced coatings. The surface roughness, coating thickness (XRF), mechanical pr

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21

Bastakys, Lukas, Liutauras Marcinauskas, Mindaugas Milieška, Matas Grigaliūnas, Sebastjan Matkovič, and Mindaugas Aikas. "Tribological Properties of Chromia and Chromia Composite Coatings Deposited by Plasma Spraying." Coatings 12, no. 7 (2022): 1035. http://dx.doi.org/10.3390/coatings12071035.

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Cr2O3 and Cr2O3–SiO2-TiO2 coatings are deposited on P265GH steel using atmospheric plasma spraying. The influence of silicon oxide—titanium oxide addition on the surface morphology of the coatings, phase composition and tribological properties under non-lubricated sliding conditions are investigated. The addition of SiO2-TiO2 led to the formation of a more uniform surface morphology and reduce the surface roughness of the Cr2O3 coatings. The X-ray diffraction (XRD) studies indicated that both coatings are composed of an eskoloite Cr2O3 phase. The friction coefficients of the Cr2O3 coating are

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22

Bo, Hu, Fengyan Hou, See Leng Tay, Yuxin Wang, Wei Gao, and Chao Xiong. "Microstructure and properties of TiO2 sol-enhanced black nickel nanocomposite coating." International Journal of Modern Physics B 31, no. 16-19 (2017): 1744023. http://dx.doi.org/10.1142/s0217979217440234.

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Black nickel coatings are widely used in industries due to their shiny black color and other unique properties. However these coatings are normally soft, which limits their applications. In order to increase the mechanical properties of black nickel coatings, sol-enhanced technology has been applied to the plating process. TiO2 sol-enhanced black nickel nanocomposite coatings were electroplated on nickel-coated brass. A systematic study on the microstructure and properties of the black coatings were conducted. The effects of TiO2 concentration (TiO2 sol concentration in 0–20 mL/L) on the surfa

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23

V.V., Sirota, Zaitsev S.V., Limarenko M.V., Prokhorenkov D.S., and Churikov A.S. "Effect of powder morphology on the structure and properties of Al2O3 based coatings obtained by detonation spraying." Construction materials and products 7, no. 5 (2024): 7. http://dx.doi.org/10.58224/2618-7183-2024-7-5-7.

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Aluminum oxide (Al2O3) remains a crucial material in the field of engineering ceramics, particularly in industrial applications. Notably, its transitional phases, in addition to the α-phase, demonstrate good properties. In this article the structure and properties of coatings obtained by detonation spraying from aluminum oxide powder with different production methods (fragmentation and spherical particle shape) and crystalline modification (α-Al2O3 and γ-Al2O3) but with similar average particle size were studied. The goal of the study was to investigate the influence of the morphology and phas

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24

Yang, Dong, Xin Xin Lin, Huan Ming Chen, Ya Hong Gao, Qiong Lv, and Yan Qing Wang. "Investigation on Properties of Electroless Ni-P-W/Al₂O₃ Composite Coatings Deposited on Sintered NdFeB Permanent Magnet." Advanced Materials Research 476-478 (February 2012): 397–401. http://dx.doi.org/10.4028/www.scientific.net/amr.476-478.397.

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The Ni-P-W/Al2O3composite coatings were deposited on the surface of sintered NdFeB permanent magnet by electroless plating method. The morphology and the phases of Ni-P-W/Al2O3composite coatings were investigated using scanning electron microscopy and X-ray diffraction respectively. The hardness and the corrosion resistance of the composite coatings were also tested. The results indicated that the composite coatings morphology appears closely nodules morphology, and the microhardness increases linearly with increasing incorporation of Al2O3ratio. Compared with NdFeB magnet and Ni-P-W amorphous

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Wu, Tong, Yuhong Qi, Qi’an Chen, Chuanjun Gu, and Zhanping Zhang. "Preparation and Properties of Fluorosilicone Fouling-Release Coatings." Polymers 14, no. 18 (2022): 3804. http://dx.doi.org/10.3390/polym14183804.

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To improve the antifouling performance of silicone fouling-release coatings, some fluorosilicone and silicone fouling-release coatings were prepared and cured at room temperature with hydroxyl-terminated fluoropolysiloxane (FPS) or hydroxy-terminated polydimethylsiloxane (PDMS) as a film-forming resin, tetraethyl orthosilicate (TEOS) as a crosslinking agent, and dibutyltin dilaurate (DBTDL) as a catalyst. The chemical structure, surface morphology and roughness, tensile properties, and antifouling properties of the coating were studied by infrared spectroscopy, a laser confocal scanning micros

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Song, Chun Lei, Ke Chai, Jin Yi Wu, Yang Cao, Hai Qiang Lin, and Peng Peng Yang. "Sterilization Properties and Electrochemical Behavior of Modified Coatings." Materials Performance 54, no. 12 (2015): 44–47. https://doi.org/10.5006/mp2015_54_12-44.

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This work discusses the sterilization properties and electrochemical behavior of carbon fiber-modified coatings under high-voltage pulsed electric fields. The sterilization rate of the coating modified with carbon fiber is as high as 99.265%. The anticorrosion behavior of the coatings was studied in seawater by electrochemical impedance spectroscopy, and the dielectric loss of the coatings was evaluated using a broadband dielectric spectrometer. Scanning electron microscopy was used to assess the surface morphology of the samples.

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Chen, Huan Ming, Ya Hong Gao, Qiong Lv, Dong Yang, and Xin Xin Lin. "Synthesis and Properties of Electroless Ni-P-W/Nano-Al₂O₃ Composite Coatings Deposited on Sintered NdFeB Permanent Magnet." Advanced Materials Research 306-307 (August 2011): 901–6. http://dx.doi.org/10.4028/www.scientific.net/amr.306-307.901.

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The Ni-P-W/nano-Al2O3composite coatings were deposited on the surface of sintered NdFeB permanent magnet by electroless plating method. The morphology and the phases of Ni-P-W/nano-Al2O3composite coatings were investigated using scanning electron microscopy and X-ray diffraction respectively. The hardness and the corrosion resistance of the composite coatings were also tested. The results indicated that the composite coatings morphology appears closely nodules morphology, and the microhardness increases with increasing incorporation of Al2O3ratio. Compared with NdFeB magnet and Ni-P-W alloy co

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Wang, Xiao He, Bin Shi Xu, Zhen Feng Hu, and Shi Yun Dong. "Microstructure and Performance of Nano-Al₂O₃/Ni-Co Composite Coatings by Electro-Brush Plating." Advanced Materials Research 482-484 (February 2012): 2371–75. http://dx.doi.org/10.4028/www.scientific.net/amr.482-484.2371.

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To remanufacture hard chromium-plated workpiece, nano-Al2O3/Ni-Co composite coatings and Ni-Co alloy coatings are developed using electric brush plating technology. Scanning electron microscopy (SEM) and transmission electron microscope (TEM) are used to analyze the surface morphology, phase structure and wear properties of coatings. The surface morphology of nano-composite coating is more compact. The nano-particles are well-distributed in the coating and bounded tightly with the substrate. The hardness of composite coating is HV1027, increased approximately 38% compared with Ni-Co alloy coat

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Lukaszkowicz, Krzysztof, and Jarosław Konieczny. "Microstructure and Mechanical Properties of PVD Nanoncrystalline Layers." Solid State Phenomena 186 (March 2012): 230–33. http://dx.doi.org/10.4028/www.scientific.net/ssp.186.230.

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This work presents the research results on the structure and mechanical properties of coatings deposited by PVD methods on the X40CrMoV5-1 hot work tool steel substrates. It was found that tested coatings have nanostructural character with fine crystallites, while their average size fitted within the range 10–15 nm, depending on the coating type. The morphology of the fracture of coatings is characterized by a dense microstructure. The coatings demonstrated good adhesion to the substrate, the latter not only being the effect of interatomic and intermolecular interactions, but also by the trans

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Elambasseril, Joe, Raafat N. Ibrahim, and Raj Das. "Determination of Mechanical Properties of TiN Coating Using a Notched Cylindrical Stainless Steel Substrate." Materials Science Forum 654-656 (June 2010): 1860–63. http://dx.doi.org/10.4028/www.scientific.net/msf.654-656.1860.

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Comprehensive studies of the fracture morphology and the sequence of fracture patterns during tensile loading are important to understand the performance of ceramic coatings during operation. The ceramic coatings are applied to relatively rough surfaces with edges and corners. When the substrate is not perfectly smooth and flat, large stress concentrations are generated in the coated system. The stress concentrations due to the shape of the substrate also affect the initiation and propagation of cracks in the coatings. The mechanical integrity of TiN coating is studied using a new test specime

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Galimov, Damir M., Dmitrii V. Ardashev, and Aleksandr A. Dyakonov. "Morphology and Properties of Solid Chrome Plating, Obtained by the Galvano-Mechanical Method." Solid State Phenomena 299 (January 2020): 872–78. http://dx.doi.org/10.4028/www.scientific.net/ssp.299.872.

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In this article, studies of chromium coatings obtained by a conventional electroplating method, as well as by electroplating combined with mechanical processing, were carried out. The metallographic investigations and the micro-hardness tests of the coating were carried out and characteristic types of electroplating chromium coatings were determined. It was determined that the coating obtained by galvano-mechanical processing (current density – 75 A/dm2, solution temperature – 58 °C, chrome plating time – 45 min) does not have dendritic defects, fits snugly to the base material, however, is ch

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Abe, Adedoyin, Josue A. Goss, and Min Zou. "Exploring the Impact of Spray Process Parameters on Graphite Coatings: Morphology, Thickness, and Tribological Properties." Coatings 14, no. 6 (2024): 714. http://dx.doi.org/10.3390/coatings14060714.

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This study explores, through a full factorial experimental design, the effects of graphite concentration and spray flow rate on the morphology, thickness, and tribological performance of graphite coatings for potential tribological applications. Coatings were applied to rough substrates using varying concentrations and flow rates, followed by analysis of their morphological characteristics, roughness, thickness, coefficient of friction (COF), and wear behavior. The results revealed distinct differences in the coating morphology based on flow rate, with low-flow-rate coatings exhibiting a porou

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Marín-Sánchez, Miguel, Elena Gracia-Escosa, Ana Conde, Carlos Palacio, and Ignacio García. "Deposition of Zinc–Cerium Coatings from Deep Eutectic Ionic Liquids." Materials 11, no. 10 (2018): 2035. http://dx.doi.org/10.3390/ma11102035.

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This work studies the electrodeposition of zinc and cerium species on carbon steel substrates from choline chloride-based ionic liquid bath in order to develop a protective coating with anti-corrosion, sacrificial, and self-repairing properties. Hull cell tests were used to study the influence of the current density on composition of the coatings and their morphology. Surface morphology, chemical composition and oxidation state of the obtained coatings were examined by scanning electron microscopy (SEM), Energy Dispersive X-ray spectroscopy (EDX), and X-ray photoelectron spectroscopy (XPS), re

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Qi, Xiaoben, Hailong Shang, Bingyang Ma, Rulin Zhang, Leyang Guo, and Bo Su. "Microstructure and Wear Properties of Micro Arc Oxidation Ceramic Coatings." Materials 13, no. 4 (2020): 970. http://dx.doi.org/10.3390/ma13040970.

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The interaction effect of micro arc oxidation (MAO) parameters on the microstructure and wear properties was investigated. The results showed that the electric current and oxidation time significantly influenced the thickness and grinding crack width of the ceramic coatings within the range of the selected parameters, and the interaction effect of the electrical parameters was not obvious. The surface morphology, cross-section morphology, and element distribution of the coatings were observed using scanning electron microscopy (SEM) with energy dispersive spectroscopy (EDS) and X-ray diffracti

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de Monteynard, Alexis, Huan Luo, Mohamed Chehimi, et al. "The Structure, Morphology, and Mechanical Properties of Ta-Hf-C Coatings Deposited by Pulsed Direct Current Reactive Magnetron Sputtering." Coatings 10, no. 3 (2020): 212. http://dx.doi.org/10.3390/coatings10030212.

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Ta, Hf, TaCx, HfCx, and TaxHf1-xCy coatings were deposited by reactive pulsed Direct Current (DC) magnetron sputtering of Ta or Hf pure metallic targets in Ar plus CH4 gas mixtures. The properties have been investigated as a function of the carbon content, which is tuned via the CH4 flow rate. The discharge was characterized by means of Optical Emission Spectroscopy and, in our conditions, both Ta-C and Hf-C systems seem to be weakly reactive. The structure of the as-deposited pure tantalum film is metastable tetragonal β-Ta. The fcc-MeCx carbide phases (Me = Ta or Hf) are {111} textured at lo

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Koumoulos, Elias P., Ioannis A. Kartsonakis, G. Vlachakis, M. Vlachakis, and Costas A. Charitidis. "Corrosion investigation and evaluation of mechanical and structural properties of powder coatings." International Journal of Structural Integrity 7, no. 1 (2016): 2–24. http://dx.doi.org/10.1108/ijsi-11-2013-0040.

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Purpose – The purpose of this paper is to deal with the study of properties of anticorrosion powder based coatings on aluminium alloy 2024. Design/methodology/approach – The powder based coatings were applied to the AA2024 substrates using a spray coating technique. All the substrates were covered with a primer prior the powder based coatings. The morphology and composition of the coatings was examined by scanning electron microscopy and energy dispersive X-ray analysis, respectively. Studies on the corrosion resistance of these coatings were made using electrochemical impedance spectroscopy.

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Egorkin, Vladimir S., Ulyana V. Kharchenko, Nikolay V. Izotov, et al. "Morphology and Chemical Composition of Organic Coatings Formed Atop PEO-Layers." Solid State Phenomena 312 (November 2020): 325–29. http://dx.doi.org/10.4028/www.scientific.net/ssp.312.325.

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The plasma electrolytic oxidation (PEO) process was used to form an oxide layer on an Al5754 aluminum alloy for subsequent application of organic coating. The effect of the oxidation time on the morphology and anticorrosion properties of PEO-coatings was investigated. The oxide layer possess low apparent porosity and provides high adhesion to the paint. The resulting composite coating (CC) is characterized by high barrier properties in chloride solution.

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Kirdeikiene, Aliona, Olga Girčiene, Laima Gudavičiūte, et al. "Self-Healing Properties of Cerium-Modified Molybdate Conversion Coating on Steel." Coatings 11, no. 2 (2021): 194. http://dx.doi.org/10.3390/coatings11020194.

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Environmentally friendly alternatives to chromium—phosphate/molybdate and cerium-modified phosphate/molybdate conversion coatings—were deposited on a carbon steel surface. Different surface analytic techniques were applied to obtain complementary information on the composition, element distribution morphology and inner structure of the coatings in order to establish the relationship between coating properties and corrosion performance. The higher protective and stronger self-healing abilities were found for phosphate/molybdate/cerium conversion coating deposited in a sulphate-containing soluti

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Yaqub, Talha Bin, Abbas Al-Rjoub, Hafiza Ayesha Khalid, Khurram Yaqoob, Filipe Fernandes, and Albano Cavaleiro. "Effect of Annealing Heat Treatment on the Composition, Morphology, Structure and Mechanical Properties of the W-S-N Coatings." Materials 15, no. 12 (2022): 4088. http://dx.doi.org/10.3390/ma15124088.

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Alloyed-transition metal dichalcogenide (TMD) coatings have been under investigation as multi-environment lubricants for the past few decades. These coatings display very low coefficient of friction properties at elevated temperatures. Studies on the annealing of these low-friction coatings are missing in the literature. For the first time, in this study, the annealing of the W-S-N dry lubricant coatings was carried out to study its effects on the composition, morphology, crystal structure and hardness of the coatings. The W-S-N coatings were deposited by direct current (DC) reactive magnetron

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Li, J. J., Y. F. Zhang, Q. Li, X. Y. Ran, Q. Hao, and X. L. Guo. "Influence of atmospheric plasma spraying process parameters on microstructure and properties of yttrium oxide coatings." Digest Journal of Nanomaterials and Biostructures 19, no. 1 (2024): 1–13. http://dx.doi.org/10.15251/djnb.2024.191.1.

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Y2O3 coatings were fabricated on using atmospheric plasma spraying (APS). The effects of different process parameters on the microstructure and properties of the coating were analyzed. The results show that the overall morphology of Y2O3 coatings are smooth at high spraying power, low spraying distance and low primary gas flow rate, which is consistent with the change trend of porosity and hardness. The minimum porosity of coating is about 1.4%. The roughness of coatings isn’t sensitive to changes in parameters. Y2O3 coatings have excellent corrosion resistance. The smaller the porosity of Y2O

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Chai, Guo Zhong, Yu Mei Bao, and Jun Lv. "Fracture Properties and Failure Analysis of Zirconia Toughened Hydroxyapatite Bioceramic Coating." Materials Science Forum 951 (April 2019): 113–17. http://dx.doi.org/10.4028/www.scientific.net/msf.951.113.

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In order to improve the weak mechanical properties of bioceramic HA, composite coatings were prepared by adding the toughening zirconia to HA powder so as to improve the biological and the physical properties but not to reduce the biocompatibility of HA bioceramic coating. The pure HA coating and HA/ZrO2 composite coating containing 30% stabilized zirconia on titanium alloy by employing plasma spraying technology were prepared. The relation curves of load-displacement for the two coatings were obtained with three point bending experiment, and obtained the slope about the straight fitting line.

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Tański, T., and W. Matysiak. "Optical properties of PVP/ZnO composite thin films." Journal of Achievements in Materials and Manufacturing Engineering 1, no. 82 (2017): 5–11. http://dx.doi.org/10.5604/01.3001.0010.2071.

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Purpose: The aim of the work was the preparation of thin composite layers from PVP polymer doped by ZnO nanoparticles using the spin coating method and the analysis of the applied reinforcing phase on the morphology and optical properties of obtained composites. Design/methodology/approach: To analyse the morphology of thin coatings a technique of surface topography imaging using the atomic force microscopy (AFM) was applied. Analysis of the optical properties was conducted using absorbance spectrum in function of wavelength for all produced thin coatings using UV-Vis spectroscopy. Findings: A

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MUBARAK, A., PARVEZ AKHTER, ESAH HAMZAH, MOHD RADZI HJ MOHD TOFF, and ISHTIAQ A. QAZI. "EFFECT OF COATING THICKNESS ON THE PROPERTIES OF TiN COATINGS DEPOSITED ON TOOL STEELS USING CATHODIC ARC PVD TECHNIQUE." Surface Review and Letters 15, no. 04 (2008): 401–10. http://dx.doi.org/10.1142/s0218625x08011524.

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Titanium nitride ( TiN ) widely used as hard coating material, was coated on tool steels, namely on high-speed steel (HSS) and D2 tool steel by physical vapor deposition method. The study concentrated on cathodic arc physical vapor deposition (CAPVD), a technique used for the deposition of hard coatings for tooling applications, and which has many advantages. The main drawback of this technique, however, is the formation of macrodroplets (MDs) during deposition, resulting in films with rougher morphology. Various standard characterization techniques and equipment, such as electron microscopy,

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Naveen, Gangarekaluve Jaiprakash, Parthasarthy Sampathkumaran, and Appaiahnna Sathyanarayanaswamy. "Analysis of microstructure, surface morphology, and scratch resistance of high velocity oxy-fuel coated nickel based hybrid nano-composites." Metallurgical Research & Technology 121, no. 2 (2024): 209. http://dx.doi.org/10.1051/metal/2024002.

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In recent years, high velocity oxygen fuel (HVOF) coating technology has gained significant interest in the field of surface engineering. In this study, we have investigated the microstructure, surface morphology, and scratch resistance of HVOF coated Nickel based novel hybrid nano-composites. The coatings were prepared using a high-velocity oxy-fuel (HVOF). HVOF coatings have the ability to enhance the surface properties of various materials, making them more resistant to wear, corrosion, and erosion. Thermal spraying technique, and the microstructure and surface morphology of the coatings we

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Meng, Xian Wei, Tae Yub Kwon, and Kyo Han Kim. "Different Morphology of Hydroxyapatite Coatings on Titanium by Electrophoretic Deposition." Key Engineering Materials 330-332 (February 2007): 609–12. http://dx.doi.org/10.4028/www.scientific.net/kem.330-332.609.

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The objective of the present study was to define the optimal conditions and characterizations of hydroxyapatite (HA) coatings on titanium by electrophoretic deposition (EPD). The EPD processing parameters, such as deposition time, HA concentration level in the suspension, and applied voltage are experimentally determined. A good packing, crack-free and uniform HA coating on titanium was prepared. Then the coatings were sintered at 800 °C for 2 h. The sintered coatings presented a very homogeneous polycrystalline structure free of cracks. The results show that the application of EPD is an effec

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Tang, Shiyun, Tao Liu, Shuiping Duan, Junjiang Guo, and Anjiang Tang. "Comparison of Growth Characteristics and Properties of CVD TiN and TiO2 Anti-Coking Coatings." Processes 7, no. 9 (2019): 574. http://dx.doi.org/10.3390/pr7090574.

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Coating metals with anti-coking materials inhibit their catalytic coking and are especially beneficial in the pyrolysis of hydrocarbon fuels. It is believed that growth characteristics and properties may play a pivotal role in the anti-coking performance of chemical vapor deposition (CVD) coatings. In this study, TiN and TiO2 coatings were obtained by CVD using TiCl4–N2–H2 and TiCl4–H2–CO2 systems, respectively. The effects of deposition time, residence time, and partial pressure were examined, and the coating microstructure was characterized by scanning electron microscopy (SEM). The results

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Petrova, A. V., A. L. Bogoslovtseva, and A. I. Safonov. "Deposition of fluoropolymer coating on stainless steel surface from plasma of glow discharge." Journal of Physics: Conference Series 2119, no. 1 (2021): 012125. http://dx.doi.org/10.1088/1742-6596/2119/1/012125.

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Abstract The present work investigates the application of the plasma of glow discharge to deposit the fluoropolymer coatings. Two series of experiments were carried out in which the influence of pressure and current strength on surface coatings morphology during its surface treatment with glow discharge plasma was investigated. The surface morphology is investigated by a scanning electron microscope (SEM), and the water contact angle (WCA) is measured. The fact that the choice of pressure significantly affects the morphology and properties of the deposited coating is established.

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Gilewicz, Adam, Roman Jędrzejewski, Piotr Myśliński, and Bogdan Warcholiński. "Structure, morphology and mechanical properties of AlCrN coatings obtained by the method of cathodic arc evaporation." Inżynieria Powierzchni 23, no. 2 (2018): 61–69. http://dx.doi.org/10.5604/01.3001.0012.2336.

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CrAlN coatings have been formed on steel substrates (HS6-5-2) using cathodic arc evaporation. The influence of nitrogen pres-sure and substrate bias voltage on the properties of CrAlN coatings formed from Al80Cr20 cathode, such as: chemical and phase composition of the coatings, their surface morphology, deposition rate, hardness and adhesion to the substrate have been investigated. It has been determined that the rate of the deposition of coatings in the nitrogen atmosphere with the pressure of 3 Pa is the highest and that with the increase of the negative bias voltage of the substrate the de

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Ding, Zhi-Song, Wei Gao, Jing-Peng Wei, Yao-Hua Jin, Chen Zhao, and Wei Yang. "Effects of TaC microparticles on structure and properties of micro-arc oxidation coating on Ti-6Al-4V alloy." Acta Physica Sinica 71, no. 2 (2022): 028102. http://dx.doi.org/10.7498/aps.71.20210835.

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In order to improve the corrosion resistance and wear properties of the micro arc oxidatin (MAO) coatings on Ti-6Al-4V alloy in the marine environment, TaC-doped MAO coatings are prepared by adding different concentrations of TaC microparticles with a particle size of about 1 μm into the silicate-based electrolyte. The morphology, elemental distribution and composition of the coatings are characterized and analyzed by SEM, EDS and XPS. The thickness, roughness, hardness, wear resistance and corrosion resistance for each of the three MAO coatings are evaluated and their corresponding values of

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Sun, Guojin, Cairang Qian, Zhenggui Li, and Qi Wang. "Optimizing Powder-to-Liquid Ratios in Lost Foam Casting Coatings: Impacts on Viscosity, Shear Thinning Behavior, Coating Weight, and Surface Morphology." Coatings 14, no. 9 (2024): 1089. http://dx.doi.org/10.3390/coatings14091089.

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This study explores the effects of the powder-to-liquid ratio on the performance characteristics of lost foam casting coatings. The investigation focuses on how variations in this ratio affect key properties, including apparent viscosity, shear thinning behavior, coating weight, and surface morphology. Through a series of controlled experiments, coatings were prepared with different powder-to-liquid ratios and assessed for their physical and application properties. The results indicate that increasing the powder-to-liquid ratio raises the apparent viscosity and modifies shear thinning behavior

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