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studies on erosion behavior of plasma sprayed coatings of

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  • (PDF) Slurry Erosive Wear Behavior of Plasma Sprayed

    However meager information is available as regards the study on Inconel coatings on Al6061 substrate.In the light of the above this work focuses on development of plasma sprayed Inconel-718 coatings on Al6061 substrate and to investigate the slurry erosive wear behavior of the developed coatings.

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  • High temperature erosion behavior of plasma sprayed

    Sep 25 2017 · Addition of aluminium increases the erosion resistance of the coating is reported in their study. Behera and Mishra studied the plasma sprayed fly ash composite coating mixed with quartz and illmenite on copper substrate and results reveal better interfacial adhesion between substrate and

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  • (PDF) Slurry Erosive Wear Behavior of Plasma Sprayed

    However meager information is available as regards the study on Inconel coatings on Al6061 substrate.In the light of the above this work focuses on development of plasma sprayed Inconel-718 coatings on Al6061 substrate and to investigate the slurry erosive wear behavior of the developed coatings.

    Get Price
  • Characterization and Erosion Behavior of Plasma Sprayed

    Mar 03 2006 · The observed erosion rate of the NiCrAlY coatings however was lower than that of the Ni-20 Cr coatings at both 30 and 90 deg impingement angles. Ni-20 Cr coating had shown higher erosion rate at 90 deg impingement angle than that at 30 deg ⁠ whereas the effect of impingement angle on the erosion rate is negligible for plasma sprayed NiCrAlY

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  • Erosion Behavior of Plasma Sprayed Alumina and Calcia

    4 Erosion Behavior of Plasma Sprayed Alumina and Calcia-Stabilized Zirconia Coatings on Cast Iron Substrate N. Krishnamurthy 1 M.S. Murali 2 B. Venkataraman 3 and P.G. Mukunda 4 1Mechanical Engineering Department K.S. Institute of Technology Bangalore 2Auden Technology and Management Academy Bangalore 3Surface Engineering Group Defence Metallurgical Research Labo ratory

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  • Effect of Submicron and Nano SiC Particles on Erosion Wear

    This paper reports studies into the effect of submicron and nano SiC particles on microstructure phase composition hardness erosion wear and scratch behavior of Al 2 O 3 -20wt. 8YSZ (ZrO 2 8 wt. Y 2 O 3 ) coatings fabricated by atmospheric plasma spraying. The failure mode of erosion wear and scratch for coatings was established and analyzed.

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  • Studies on erosion behaviour of plasma sprayed coatings on

    Request PDF Studies on erosion behaviour of plasma sprayed coatings on a Ni-based superalloy In the present investigation NiCrAlY Ni-20Cr and Ni3Al metallic coatings were deposited on a Ni

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  • Morphology and solid particle erosion wear behavior of

    In order to understand the tribological behavior of red mud composite coatings the red mud and composite materials like fly ash carbon and alu- minum are being plasma sprayed. The coatings are investigated to know their morphological be- havior and erosion wear characteristics. Plasma spraying is done at different plasma arc current

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  • Erosion studies of plasma sprayed WC-12 Co Cr3C2-25 NiCr

    Feb 10 2020 · The comparison of volume(mm 3 /g) erosion rate of bare sample with four different plasma coating materials Cr 3 C 2-25 NiCr coating WC-12 Co coating Ni-20 Cr coating and Al 2 O 3-13 TiO 2 coating eroded at three different impingement

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  • A STUDY ON EROSION AND CORROSION BEHAVIOR OF

    The obtained results showed that the plasma sprayed coating sample at the plasma current of 600 A and the powder feed rate of 10 g/min has a best erosion-corrosion resistance. Red rust spots did not appear on surface of this coating after 120 hours of salt spray test.

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  • Erosion Studies of D-Gun-Sprayed WC-12 Co Cr3C2-25 NiCr

    Solid particle erosion studies were conducted in simulated coal-fired boiler environment in order to compare the erosion behavior of three different types of detonation gun

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  • ACCEPTED MANUSCRIPT OPEN ACCESS Erosion studies of plasma

    wear behavior of gas tunnel type plasma sprayed Ni-based metallic glass composite coatings . Vacuum. 88. 114–7 13 Li Z Li Y Li J Li F Lu H Du J Ran X and Zhang X 2019 Effect of NiCr content on the solid particle erosion behavior of NiCr-Cr3C2 coatings deposited by atmospheric plasma spraying . Surf. Coatings Technol. 125144

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  • Erosion Performance of Atmospheric Plasma Sprayed Thermal

    Since the atmospheric plasma spray (APS) processed 7–8 wt. yttria stabilized zirconia (YSZ) TBCs widely utilized for gas turbine applications are susceptible to erosion damage this work aims to evaluate the influence of their porosity levels on erosion behavior.

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  • (PDF) Erosion wear studies on plasma spray

    During flight a particle carries momentum and kinetic energy which is dissipated during impact due to its interaction with a target surface. In case of plasma spray coatings encountering such situations no specific model has been developed and thus the study of the erosion behavior has been based on mostly experiment data 6 .

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  • A STUDY ON EROSION AND CORROSION BEHAVIOR OF Cr3C2

    In this study Cr 3 C 2-25NiCr cermet coating samples were prepared by atmospheric plasma spraying (APS) technique on 410 stainless steel substrate with different plasma spraying parameters namely the plasma current (500 and 600 A) and the powder feed rate (10 and 30 g/min).The erosion-corrosion behaviour of the coatings was studied by electrochemical measurements salt spray and erosion

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  • A STUDY ON ANALYSIS AND PREDICTION OF EROSION

    predicting the erosion wear response of a new class of metal-glass coatings prepared by plasma spraying. Plasma spray technology utilizes the exotic properties of the plasma medium to effect physical chemical or metallurgical reactions to produce new materials or impart new functional properties to conventional materials. Alumina (Al 2 O 3

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  • ACCEPTED MANUSCRIPT OPEN ACCESS Erosion studies of plasma

    wear behavior of gas tunnel type plasma sprayed Ni-based metallic glass composite coatings . Vacuum. 88. 114–7 13 Li Z Li Y Li J Li F Lu H Du J Ran X and Zhang X 2019 Effect of NiCr content on the solid particle erosion behavior of NiCr-Cr3C2 coatings deposited by atmospheric plasma spraying . Surf. Coatings Technol. 125144

    Get Price
  • Characterization and Erosion Behavior of Plasma Sprayed

    Mar 03 2006 · The observed erosion rate of the NiCrAlY coatings however was lower than that of the Ni-20 Cr coatings at both 30 and 90 deg impingement angles. Ni-20 Cr coating had shown higher erosion rate at 90 deg impingement angle than that at 30 deg ⁠ whereas the effect of impingement angle on the erosion rate is negligible for plasma sprayed NiCrAlY

    Get Price
  • To study the Erosion Behavior of H.V.O.F. Coating of

    To study the Erosion Behavior of H.V.O.F. Coating of 16Cr5Ni at the different velocity of slurry HVOF spraying and plasma nitriding In recent years HVOF spraying has been considered an erosion test on coating Table 2 Spray parameters employed for HVOF spray process.

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  • Erosion mechanisms of thermally sprayed coatings with

    3−Al composite coatings deposited by plasma spraying. Dong et al. 12 fabricated Fe 2O 3−Al self reaction composite powders and observed benefits in wear properties due to ductile phase addition. Among others Chwa et al. 13 studied wear properties of plasma sprayed TiO 2−Al composite coatings. For solid particle erosion

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  • A STUDY ON ANALYSIS AND PREDICTION OF EROSION

    predicting the erosion wear response of a new class of metal-glass coatings prepared by plasma spraying. Plasma spray technology utilizes the exotic properties of the plasma medium to effect physical chemical or metallurgical reactions to produce new materials or impart new functional properties to conventional materials. Alumina (Al 2 O 3

    Get Price
  • Studies on erosion-corrosion behaviour of plasma sprayed

    Sep 04 2017 · Mishra S.B. Chandra K. and Prakash S. (2017) "Studies on erosion-corrosion behaviour of plasma sprayed Ni 3 Al coating in a coal-fired thermal power plant environment at 540°C" Anti-Corrosion Methods and Materials Vol. 64 No. 5 pp.

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  • Studies on erosion behaviour of plasma sprayed coatings on

    Feb 24 2006 · The SEM observations were made on the eroded surface of Superni 718 and different plasma sprayed coatings. The SEM studies provide useful information about the mechanism of erosion. Fig. 10 Fig. 11 Fig. 12 Fig. 13 shows the SEM micrographs of eroded surfaces of Superni 718 and different plasma sprayed coatings. Because of the different

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  • (PDF) THERMAL SPRAY COATING A STUDY IJESRT Journal

    Coating improves the life of the part and lowers the price of replacement. An extensive range of coatings can increase the corrosion wear resistance and erosion of materials. From the study it is found that thermal spray coating is most important techniques of the surface modification.

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  • Erosion Performance of Atmospheric Plasma Sprayed Thermal

    The erosion performance of EB-PVD coatings has been reported to be superior to lamellar structured APS TBCs due to their columnar microstructure and column gaps which localize the erosion damage within the column 14 15 . However Cernuschi et al. reported comparable erosion resistance for plasma sprayed segmented TBCs and EB-PVD TBCs 16 .

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  • Degradation behavior of Ni 3 Al plasma-sprayed boiler tube

    Boiler steels namely low-C steel ASTM-SA210-Grade A1 (GrA1) 1Cr-0.5Mo steel ASTM-SA213-T-11 (T11) and 2.25Cr-1Mo steel ASTM-SA213-T-22 (T22) were plasma sprayed with Ni3Al. The alloy powder was prepared by mixing Ni and Al in the stoichiometric ratio of 3 to 1. The Ni-22Cr-10Al-1Y alloy powder was used as a bond coat with a 150 µm thick layer sprayed onto the surface before applying

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  • (PDF) Study of Erosion Behaviour of Conventional and

    The solid particle erosion behavior of detonation sprayed WC-12Co coatings obtained at three oxygen to fuel ratios has been characterized using SiC Al2O3 and SiO2 as erodents at two impact

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  • Erosion Studies of D-Gun-Sprayed WC-12 Co Cr3C2-25 NiCr

    Solid particle erosion studies were conducted in simulated coal-fired boiler environment in order to compare the erosion behavior of three different types of detonation gun

    Get Price
  • Study on erosion–wear behavior and mechanism of plasma

    Jan 01 2016 · The current study investigated the erosion wear behavior of plasma sprayed alumina-based coatings by a new type of solid particle impact test (slurry jet). Combined with the phase composition microstructure and mechanical performance of the coatings the erosive wear mechanisms were elucidated. 2.

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