DOI: 10.1115/1.2906198. Mechanisms of Degradation and Failure in a Plasma-Deposited Thermal Barrier Coating

Mechanisms of Degradation and Failure in a Plasma-Deposited Thermal Barrier Coating

10.1115/1.2906198

Crossref journal-article

ASME International

Journal of Engineering for Gas Turbines and Power (33)

Abstract

Failure of a two-layer plasma-deposited thermal barrier coating is caused by cyclic thermal exposure and occurs by spallation of the outer ceramic layer. Spallation life is quantitatively predictable, based on the severity of cyclic thermal exposure. This paper describes and attempts to explain unusual constitutive behavior observed in the insulative ceramic coating layer, and presents details of the ceramic cracking damage accumulation process, which is responsible for spallation failure. Comments also are offered to rationalize the previously documented influence of interfacial oxidation on ceramic damage accumulation and spallation life.

Bibliography

DeMasi-Marcin, J. T., Sheffler, K. D., & Bose, S. (1990). Mechanisms of Degradation and Failure in a Plasma-Deposited Thermal Barrier Coating. Journal of Engineering for Gas Turbines and Power, 112(4), 521â526.

Authors 3

J. T. DeMasi-Marcin (first)
K. D. Sheffler (additional)
S. Bose (additional)

References 0 Referenced 113

None

Dates

Type	When
Created	17 years, 4 months ago (April 24, 2008, 6:56 p.m.)
Deposited	5 years, 11 months ago (Oct. 6, 2019, 6:08 a.m.)
Indexed	2 months ago (July 7, 2025, 5:07 a.m.)
Issued	34 years, 11 months ago (Oct. 1, 1990)
Published	34 years, 11 months ago (Oct. 1, 1990)
Published Online	34 years, 11 months ago (Oct. 1, 1990)
Published Print	34 years, 11 months ago (Oct. 1, 1990)

Funders 0

None

BibTeX

@article{DeMasi_Marcin_1990, title={Mechanisms of Degradation and Failure in a Plasma-Deposited Thermal Barrier Coating}, volume={112}, ISSN={1528-8919}, url={http://dx.doi.org/10.1115/1.2906198}, DOI={10.1115/1.2906198}, number={4}, journal={Journal of Engineering for Gas Turbines and Power}, publisher={ASME International}, author={DeMasi-Marcin, J. T. and Sheffler, K. D. and Bose, S.}, year={1990}, month=oct, pages={521–526} }

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