Thermo-mechanical Creep-Fatigue of Coated Systems

L Rémy; AM Alam; A Bickard

doi:10.1520/STP11429S

SYMPOSIA PAPER Published: 01 January 2003

STP11429S

Thermo-mechanical Creep-Fatigue of Coated Systems

Source

This paper presents an investigation of the damage mechanisms in protective coatings deposited on a single crystal superalloy, under TMF (thermo-mechanical fatigue) loading conditions. This includes an aluminide coating called C1A and a Thermal Barrier Coating (TBC). Different TMF cycles are used to assess the coating resistance in both cases and respective damage mechanisms are reported. TMF cycles derived from real service conditions prove to be better testing methods for coating resistance as compared to standard cyclic oxidation tests without mechanical loading. Implications for lifing procedures are tentatively discussed from the results of this investigation.

Author Information

Rémy, L

CNRS. Centre des Matériaux, P. M. Fourt, UMR CNRS 7633, ENSMP (École Nationale Supérieure des Mines de Paris), Évry Cédex, France

Alam, AM

ALSTOM (Power), Baden, AG, Switzerland

Bickard, A

CRYOSTAR, Hesingue, France

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Details

Developed by Committee: E08

Pages: 98–111

DOI: 10.1520/STP11429S

ISBN-EB: 978-0-8031-5478-0

ISBN-13: 978-0-8031-3467-6

Thermo-mechanical Creep-Fatigue of Coated Systems

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