Hot Corrosion Behavior of Functional Graded Material Thermal Barrier Coating

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RAHNAVARD M.; Ostad Ahmad Ghorabi M.J.

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Journal Paper

Paper Information

Journal: International Journal of Engineering Year:2017 | Volume:30 | Issue:1 (TRANSACTIONS A: Basics) Page(s): 101-108

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Title

Hot Corrosion Behavior of Functional Graded Material Thermal Barrier Coating

Author(s)

RAHNAVARD M. | Ostad Ahmad Ghorabi M.J. | Issue Writer Certificate

Keywords

Thermal Barrier Coating

Functional Grade Material

Plasma Spray

Hot Corrosion

Molten Salt

Abstract

In this paper a functional graded material (FGM) Thermal Barrier Coating (TBC) is prepared using Atmospheric Plasma Spraying (APS) method. The FGM layers were deposited by varying the feeding ratio of CYSZ/NiCrAlY and conventional CYSZ on a NiCrALY-coated Inconel 738 substrates. Hot Corrosion behavior, bonding strength and the related failure mechanisms of a conventional TBC and a FGM TBC are investigated. Hot Corrosion studies were conducted in presence of 45% Na2SO4+ 55% V2O5 Molten Salt at 1000 oC temperature. The as-sprayed coatings and heat-treated coatings were characterized by X-ray diffraction (XRD) and scanning electron microscopy (SEM). Exposing to Hot Corrosion test, the FGM TBC showed better chemical stability and higher life service in comparison to the conventional TBC. As a result, functional graded material Thermal Barrier Coating exhibited very promising potential as a novel TBC material.

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APA: Copy

RAHNAVARD, M., & Ostad Ahmad Ghorabi, M.J.. (2017). Hot Corrosion Behavior of Functional Graded Material Thermal Barrier Coating. INTERNATIONAL JOURNAL OF ENGINEERING, 30(1 (TRANSACTIONS A: Basics)), 101-108. SID. https://sid.ir/paper/723254/en

Vancouver: Copy

RAHNAVARD M., Ostad Ahmad Ghorabi M.J.. Hot Corrosion Behavior of Functional Graded Material Thermal Barrier Coating. INTERNATIONAL JOURNAL OF ENGINEERING[Internet]. 2017;30(1 (TRANSACTIONS A: Basics)):101-108. Available from: https://sid.ir/paper/723254/en

IEEE: Copy

M. RAHNAVARD, and M.J. Ostad Ahmad Ghorabi, “Hot Corrosion Behavior of Functional Graded Material Thermal Barrier Coating,” INTERNATIONAL JOURNAL OF ENGINEERING, vol. 30, no. 1 (TRANSACTIONS A: Basics), pp. 101–108, 2017, [Online]. Available: https://sid.ir/paper/723254/en

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