Microstructure-Based Life Prediction of Thermal Barrier Coatings

Robert Eriksson; Kang Yuan; Sten Johansson; Ru Lin Peng

doi:10.4028/www.scientific.net/KEM.592-593.413

Paper Titles

High-Density Ceramic Materials on the Basis of Silicon Carbide
p.397

Fibre-Matrix Interface Development during High Temperature Exposition of Long Fibre Reinforced SiOC Matrix
p.401

Estimation of Apparent Fracture Toughness of Alumina Based Ceramic Laminate
p.405

Siliconizing in a Fluidized Bed Reactor
p.409

Microstructure-Based Life Prediction of Thermal Barrier Coatings
p.413

Nanoindentation of Thin Copper Coatings
p.417

Influence of Low Pressure Plasma Spraying Parameters on MCrAlY Bond Coat and its Microstructure
p.421

Fatigue Response of Hybrid Ti/APC-2 Nanocomposite Laminates with Single-Edged Cracks
p.425

Surface Relief Evolution in IN792-5A Nickel Superalloy under High Temperature Fatigue Straining with Hold Times
p.429

HomeKey Engineering MaterialsKey Engineering Materials Vols. 592-593Microstructure-Based Life Prediction of Thermal...

Microstructure-Based Life Prediction of Thermal Barrier Coatings

Abstract:

The widespread use of thermal barrier coatings (TBC) in gas turbines stresses the importance of accurate life prediction models for TBCs. During service, the TBC may fail due to thermal fatigue or through the formation of thermally grown oxides (TGOs). The current paper presents a Thermo-Calc/Dictra-based approach to life prediction of isothermally oxidised atmospheric plasma sprayed (APS) TBCs. The β-phase depletion of the coating was predicted and compared to life prediction criteria based on TGO thickness and Al content in the coating. All tried life models underestimated the life of the coating where the β-depletion-based model was the most conservative.

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Periodical:

Key Engineering Materials (Volumes 592-593)

Pages:

413-416

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.592-593.413

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Online since:

November 2013

Authors:

Robert Eriksson, Kang Yuan, Sten Johansson, Ru Lin Peng

Keywords:

Interdiffusion, Isothermal Oxidation, Life Prediction, TBC, Thermal Barrier Coating (TBC)

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References

[1] X. Zhao and P. Xiao: Mater. Sci. Forum Vol. 606 (2009), p.1.

Google Scholar

[2] J.T. DeMasi-Marcin and D.K. Gupta: Surf. Coat. Technol. Vol. 68-69 (1994), p.1.

Google Scholar

[3] S. Sjöström and H. Brodin, in: Advanced Ceramic Coatings and Interfaces V, edited by D. Zhu, H. -T. Lin, S. Mathur and T. Ohji, John Wiley & Sons, Inc., Hoboken, NJ, USA.

Google Scholar

[4] A. Rabiei and A.G. Evans: Acta Mater. Vol. 48 (2000), p.3963.

Google Scholar

[5] D. Renusch, M. Schorr and M. Schütze: Mater. Corr. Vol. 59 (2008), p.547.

Google Scholar

[6] K. Yuan, R. Eriksson, R. Lin Peng, X. -H. Li, S. Johansson and Y.D. Wang: submitted to Surface and Coatings Technology (2013).

Google Scholar

[7] R. Anton, J. Birkner, N. Czech and W. Stamm: Mater. Sci. Forum Vol. 369-372 (2001), p.719.

Google Scholar