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Evaluation of thermal conduction anisotropy on Thermal Barrier Coating

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Evaluation of thermal conduction anisotropy on Thermal Barrier Coating

Coating Federico Cernuschi*, Paolo Giulio Bison** QUIRT2008 19th International Conference on Quantitative InfraRed Thermography Krakow, Poland 2-5 Luglio 2008 PRESENTAZIONE POWER POINT * CESI RICERCA **CNR ITC The microstructural analysis of Thermal Barrier Coatings, deposited according to the Air Plasma Spray technology, furnishes information according which a strong orthotropic thermal conductivity is expected to be measured for such a material. Pulsed experiment with a localized heating source and thermographic temperature recording, permit to evaluate both the in-depth and in-plane components of the conductivity tensor. The utilization of a gaussian shaped heating function permits to compare both the direct solution and the one obtained by a spatial Fourier Transform.

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