plasma sprayed hydroxyapatite coatings
Characterization of Plasma Sprayed Hydroxyapatite Coatings on AISI 316L SS and Titanium Substrate and their Corrosion Behavior in Simulated Body Fluid
... Hydroxyapatite coatings were successfully deposited on AISI 316L SS and titanium substrates using shrouded plasma spraying ...the coatings were investigated in the present work. The as ...
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Effect of Heat Treatment on Characteristics of Plasma Sprayed Hydroxyapatite Coatings
... 2.3 Phase composition and microstructure analyses Phases of all coatings were analyzed by an X-ray diffractometer (Shimadzu XD-D1, Kyoto, Japan) operated at 30 kV and 30 mA. The crystallinity was estimated by the ...
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Heat and Hydrothermal Treatment on the Microstructure Evolution of Plasma Sprayed Hydroxyapatite Coatings Reinforced with Graphene Nanoplatelets
... GNS/HA coatings followed by the grinding and polishing in the sample preparation ascribes to the observed craters on the cross-sections of the as-sprayed HA composite coatings (Figure ...
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Heat Treatment of Plasma Sprayed Hydroxyapatite Coatings: Microstructural and Mechanical Characterization Vikas Rattan *1 , T. S. Sidhu 2, Manoj Mittal3
... the plasma spraying process, HAp powder is subjected to a very high temperature, which melts the powder to form coatings on the relatively cooled surface of the metallic ...of hydroxyapatite ...
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A Comparison of the Microstructural Feature and Bonding Strength of Plasma Sprayed Hydroxyapatite Coatings with Hydrothermal and Vacuum Post Heat Treatment
... molten droplets is the amorphous calcium phosphate spread- ing over the substrate. Therefore, the influence of the heat treatment on the bonding strength will be correlated to the crystallization and microstructural ...
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Characterization and Corrosion Behavior of Plasma Sprayed Pure and Reinforced HA Coatings in Simulated Body Fluid
... including plasma spraying, high-velocity oxy-fuel spraying (HVOF), pulsed laser ablation, ion-beam sputtering, electrophoretic deposition, radio frequency magnetron sputtering, sol–gel and conventional ceramic ...
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Evaluation of Adhesive Strength of Thermal Sprayed Hydroxyapatite Coatings Using the LAser Shock Adhesion Test (LASAT)
... thermally sprayed Hydroxyapatite (HA) coatings such as those for biomedical ...with hydroxyapatite coatings on Ti-based alloy substrate produced by atmospheric plasma ...
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Effect of Crystallization on the Bonding Strength and Failures of Plasma Sprayed Hydroxyapatite
... Hydroxyapatite coatings were synthesized on Ti-6Al-4V substrates using the plasma spraying process followed by vacuum and atmospheric post-heat treatments at various elevated ...
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A Study of Zeta Potential of Plasma Sprayed Hydroxyapatite Coating in Four Simulated Physiological Solutions
... were plasma sprayed to have an HA coat with 100 micrometers ...the plasma coatings were scraped and milled with a vibration rotary silicon carbide mill for 20 ...blood plasma (Table ...
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Effect of Hydrothermal Treatment on Microstructural Feature and Bonding Strength of Plasma Sprayed Hydroxyapatite on Ti 6Al 4V
... the coatings were examined by backscattering electron image (BEI) of ...HA coatings affect the mechanical properties, the spraying defects were calculated and defined as the summation of pores and microcracks ...
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Interface Characterization of Plasma Sprayed Hydroxyapatite Coat on Ti 6Al 4V
... the plasma sprayed hydroxyapatite-coated Ti-6Al-4V system and may; in fact, represent the “weakest link” in implant ...the hydroxyapatite-Ti alloy interface contradicts the widely held belief ...
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Microstructure and Microhardness of Plasma Sprayed NiCrBSi/Flyash Composite Coatings
... for plasma spraying include corrosion, temperature and abrasion resistant coatings and production of monolithic and near net shape shapes, which at the same time take advantages of the rapid solidification ...
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In Vitro Immersion Behavior of Cold Sprayed Hydroxyapatite/Titanium Composite Coatings
... composite coatings were successfully deposited on Ti substrates by cold gas dynamic spray ...the plasma sprayed ...cold sprayed HAP/Ti composite can be anticipated to be a promising ...
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Hot Corrosion & Erosion Problems in Coal Based Power Plants in India and Possible Solutions – A Review
... R. Rodr´ıguez-Baracaldo et. al. [45] have studied the high temperature wear resistance of (TiAl)N PVD coating on untreated and gas nitrided AISI H13 steel with different heat treatments. The coated specimens have shown ...
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Thermal and Dry Sliding Wear Behavior of Plasma Sprayed Red Mud-Fly Ash Coatings on Mild Steel
... of 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 ...
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Air plasma sprayed thermal barrier coatings on titanium alloy substrates
... Surface connected porosity of the as-sprayed ceramic coating was determined by a mercury intrusion porosimeter (MIP, poresizer9320, Micrometitics Instrument Corporation, Norcross, USA). Free standing YPSZ coating ...
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Effect of Spray Distance on the Mechanical Properties of Plasma Sprayed Ni 45Cr Coatings
... commercial plasma spraying system (GP-80, JIUJIANG, 80 ...primary plasma operating gas and hydrogen was used as the auxiliary ...the coatings was performed by keeping all parameters fixed except only ...
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Slurry Erosive Wear Behavior of Plasma Sprayed Inconel 718 Coatings on Al6061 Alloy
... N coatings were significantly higher than that of the uncoated mild steel and the AISI 304 stainless ...chromia coatings when the wear is dominated by brittle fracture and the contact conditions are ...
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Effect of Pulsed Laser on the Structure and Morphology of Alumina Zirconia Coatings
... Effect of Laser on the Surface Porosity Figure 12 shows the estimated surface porosity for laser treated and untreated plasma sprayed coatings using ImageJ software a public domain, Java[r] ...
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Microstructure, Adhesion and Wear of Plasma Sprayed AlSi SiC Composite Coatings
... flux, leading to increased porosity and poor adherence [9]. The deposition efficiency of powder on substrates at spray distance (D) of 100 mm was highest than other spray distance. So, 100 mm was selected as the optimum ...
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