Sprayed coatings
Characterization of Pure Aluminum and Zinc Sprayed Coatings Produced by Flame Spraying
... the sprayed coatings decreases, and when the spray distance is increased, the flight time of the spray particles increases and the temperature of the molten particles ...the sprayed coatings ...
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Selection of tribological plasma sprayed coatings using multi-criteria decision-making methods
... wear-resistant coatings are widely used in various branches of engineering ...ceramic coatings is characterized by a medium relative cost price value in comparison with other wear-resistant coating ...
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Tribological Behavior of Thermally Sprayed Coatings with Different Chemical Composition and Modified by Remelting
... The sprayed coatings were submitted to a post thermal treatment (oxy- acetylene flame remelting) at a temperature of 1025 °C for the provision of diffusion ...thermally sprayed coatings ...
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Corrosion Behaviour of Three Kinds of Arc Sprayed Coatings in Soil
... spray coatings and corrosion in ...arc sprayed coatings were carried out in typical soils of the Shunyi District, ...three coatings was compared, and the reasons for the differences in ...
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Laser Surface Annealing of Plasma Sprayed Coatings
... and polished AT-13 coating. The microstructure is char- acterized by a high density of defects, e.g. inclusions and pores. The analysis of the SEM images of the cross sec- tions of as-sprayed coatings ...
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Importance of the Adhesion of HVOF Sprayed Coatings for Aqueous Corrosion Resistance*
... two coatings possessed similar adhesion strength around 60 MPa in the as-sprayed condition, the strength degraded to less than 20 MPa in 72 h for the SUS 316L coatings whereas it remained ...
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A Review on Detonation Gun Sprayed Coatings
... of sprayed compared to sintered tungsten carbide-cobalt- chrome was similar for low energy impacts but the sintered material outperforms by 4 times the sprayed material for high energy ...thermally ...
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The Influence of Microstructure of Arc Sprayed Coatings on Wear Resistance
... The materials for the microscopic examina- tion were cut on a Struers Secotom – 10 metal- lographic cutter with coolant. The selected feed rate for the cut material was 0.1 mm/min. The cut specimens were housed in a ...
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COMBATING HOT CORROSION OF BOILER TUBES WITH DETONATION GUN SPRAYED COATINGS: A REVIEW
... WC–Co coatings. The WC–Co coatings were synthesized by the D-gun spraying system with and without using a separation device, ...D-gun sprayed WC–Co coatings, ...WC–Co coatings was ...Co ...
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Tribological Behavior of Thermally Sprayed WC Coatings under Water Lubrication
... thermally sprayed coatings is basically determined by the powder ...thermally sprayed coating hardness is presumed to be the main in- fluential factor that dominates wear behavior ...thermally ...
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Effect of Heat Treatment on Characteristics of Plasma Sprayed Hydroxyapatite Coatings
... HA coatings obtained had a higher crystallinity by a factor of 3–4 but temperature-sensitive bond ...HA coatings had a better corrosion- resistant ability with an increased polarization resistance value by ...
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Electrochemical Behavior, Microstructure, and Surface Chemistry of Thermal-Sprayed Stainless-Steel Coatings
... of sprayed coatings is not related to thermal spraying itself, but on the quality of the feedstock ...the coatings nor in the arc melted feedstock which may be explained by a combination of two ...
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Characterization of Plasma Sprayed Hydroxyapatite Coatings on AISI 316L SS and Titanium Substrate and their Corrosion Behavior in Simulated Body Fluid
... XRD analysis was carried out on powder and as coated specimens using a Bruker AXS D-8 Advanced diffractometer (Germany) with Cu Kα radiation with scanning speed of 1º/min in a scan range of 10 – 60º (2θ) at 40 kW and ...
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Thermal and Dry Sliding Wear Behavior of Plasma Sprayed Red Mud-Fly Ash Coatings on Mild Steel
... plasma sprayed coatings like pure red mud, composited with varying weight % (10, 20 and 50) of fly ash on mild ...these coatings towards high temperature at air environment up to 1000 °C is evaluated ...
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Porosity and Micro-Hardness of Shrouded Plasma Sprayed Titanium Coatings
... Titanium powder. Figure 1 shows the particle morphology of the HDH titanium powders. From the SEM image, it is clear to see that the HDH titanium powder presents an irregular shape, even some particles with sharp ends. ...
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Residual Stress Distribution in Thermally Sprayed Self Fluxing Alloy Coatings
... as-sprayed coatings obtained by FS and HPS ...HVOF coatings sprayed under differ- ent conditions. The coating sprayed at low combustion chamber pressure of ...powders sprayed with ...
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Microstructural Characterization of Shrouded Plasma-Sprayed Titanium Coatings
... as-sprayed coatings. The titanium coatings were assessed by optical microscope, scanning electron microscopy, X-ray diffraction, LECO combustion method and Vickers microhardness ...titanium ...
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Effect of Hydrothermal Treatment on Microstructural Feature and Bonding Strength of Plasma Sprayed Hydroxyapatite on Ti 6Al 4V
... the coatings. However, the main disadvantage of the plasma-sprayed HA coating layer (HACs) is the formation of easily dissolved phases such as tri-calcium phosphate (Ca 3 (PO 4 ) 2 , TCP), tetra-calcium ...
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Erosion Resistance of High Velocity Oxy-Fuel WC-Co-Cr Thermal Spray Coatings
... Since the early 1900s, the abundance of oil and gas is constantly decreasing, creating a higher demand for more efficient extraction methods. The improved extraction methods have allowed companies to drill deeper wells ...
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Corrosion behavior of high velocity oxygen fuel spray process and electrodeposited coating in aqueous environment
... metallic coatings to metallic or other conductive surfaces by electrochemical ...based coatings considered as heterogenous materials with good mechanical properties and wide range of application often ...
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