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Mechanical Properties of Thermal Barrier Coatings at Room Temperature

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Abstract:

Four point bending tests have been carried out on a thermal barrier coating (TBC) system, at room temperature. The TBC system consisted of a plasma sprayed Y-TZP top coat with 8 % in weight of Yttria, a bond coat of NiCrAlY and a Ni-based superalloy Inconel 625 as substrate. The TBC coating was deposited on both sides of the prismatic specimens. Efforts have been done in detecting the damage of the coating by means of Maltzbender et al [1] model.

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Info:

Periodical:

Key Engineering Materials (Volume 290)

Pages:

336-339

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.290.336

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Cite this paper

Online since:

July 2005

Authors:

G. Guidoni, Y. Torres Hernández, Marc Anglada

Keywords:

Four Point Bending Test, Thermal Barrier Coating (TBC)

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© 2005 Trans Tech Publications Ltd. All Rights Reserved

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References

[1] J. Maltzbender, R, W. Steinbrech, Surf Coat Tech. 176 (2004) 165.

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[2] S. P. Timoshenko, Mechanics of Materials, VanNostrand Reinhold, New York, (1972).

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[3] Kucuk C.C. Berndt, U. Senturk, R.S. Lima, C.R.C. Lima. Mater. Sci. Eng. A284 (2000) 29.

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[4] INCONEL 625 technical sheet.

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