The Measurement of Mechanical Properties of Thermal Barrier Coatings by Micro-Cantilever Tests

Dong Liu; Peter E.J. Flewitt

doi:10.4028/www.scientific.net/KEM.525-526.13

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 525-526The Measurement of Mechanical Properties of...

The Measurement of Mechanical Properties of Thermal Barrier Coatings by Micro-Cantilever Tests

Abstract:

Micro-scale cantilever beam specimens have been created in air plasma sprayed thermal barrier coatings (APS-TBC) by focus-ion beam milling and tested in-situ using a force measurement technique. The elastic modulus, fracture toughness and the flexural strength of the specimens are calculated from the loading-deflection curve. In addition, the failure modes of the tested TBC are analysed.

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Key Engineering Materials (Volumes 525-526)

Pages:

13-16

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.525-526.13

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Online since:

November 2012

Authors:

Dong Liu, Peter E.J. Flewitt

Keywords:

Air Plasma Sprayed Thermal Barrier Coating, Brittle Fracture, Force Measurement System, Micro-Cantilever Test, Rupture

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