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Title of Journal: J Therm Spray Tech

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Abbravation: Journal of Thermal Spray Technology

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Springer US

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DOI

10.1016/0039-9140(63)80092-2

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ISSN

1544-1016

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Compositionally Graded Thermal Barrier Coating by

Authors: Subhasisa Nath Indranil Manna Jyotsna Dutta Majumdar
Publish Date: 2013/05/09
Volume: 22, Issue: 6, Pages: 901-917
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Abstract

The present study concerns a detailed investigation of the characteristics and oxidation resistance property of a duplex and compositionally graded thermal barrier coating on Inconel 718 The duplex coating consists of a CoNiCrAlY bond coat layer sprayed on to sandblasted Inconel 718 substrate by high velocity oxyfuel spraying followed by deposition of a yttriastabilized zirconia YSZ top coat by plasma spraying The compositionally graded coating consists of several layers deposited by plasma spraying of premixed CoNiCrAlY and YSZ powders in the weight ratios of 7030 5050 3070 and 0100 varying from the bond coat to the top surface respectively A detailed investigation of the microstructure composition and phases in the coating and its nonisothermal oxidation behavior from room temperature to 1250°C was performed Oxidation proceeds by three stages in the asreceived Inconel 718 and the compositionally graded coating but by two stages in the duplex coating with a maximum activation energy for oxidation in the compositionally graded coating at high temperature stage III The kinetics and mechanism of oxidation were established

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  2. Identification of Desirable Precursor Properties for Solution Precursor Plasma Spray
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  5. High-Temperature Exposure Studies of HVOF-Sprayed Cr 3 C 2 -25(NiCr)/(WC-Co) Coating
  6. Review of Thermal Spray Coating Applications in the Steel Industry: Part 1—Hardware in Steel Making to the Continuous Annealing Process
  7. Sealing HVOF Thermally Sprayed WC-CoCr Coatings by Sol-Gel Methods
  8. Atmospheric Plasma Spraying of High Melting Temperature Complex Perovskites for TBC Application
  9. Double Rare-Earth Oxides Co-doped Strontium Zirconate as a New Thermal Barrier Coating Material
  10. Microstructure and Properties of Porous Abradable Alumina Coatings Flame-Sprayed with Semi-molten Particles
  11. Influence of the Spray Angle on the Properties of HVOF Sprayed WC–Co Coatings Using (−10 + 2 μm) Fine Powders
  12. Nonequilibrium Atmospheric Plasma Deposition
  13. Study of the Antibacterial Behavior of Wire Arc Sprayed Copper Coatings
  14. Rapid and Continuous Deposition of Porous Nanocrystalline SnO 2 Coating with Interpenetrating Pores for Gas Sensor Applications
  15. Effect of Spray Particle Velocity on Cavitation Erosion Resistance Characteristics of HVOF and HVAF Processed 86WC-10Co4Cr Hydro Turbine Coatings
  16. Phase Composition and Microstructural Responses of Graded Mullite/YSZ Coatings Under Water Vapor Environments
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  18. A One-Dimensional Flow Model with Adiabatic Friction for Rapid Estimation of Cold Spray Flow Conditions
  19. Fast Modeling of Phase Changes in a Particle Injected Within a d.c Plasma Jet
  20. High-Pressure Cold-Sprayed Ni and Ni-Cu Coatings: Improved Structures and Corrosion Properties
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  22. Electrical Properties of Thermally Sprayed Ni- and Ni20Cr-Based Resistors
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  28. Parameters Influencing the Photocatalytic Activity of Suspension-Sprayed TiO 2 Coatings
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  38. Chemical Vapor Deposition and Atomic Layer Deposition of Coatings for Mechanical Applications
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