Characterization of ZrO2-Y2O3 thermal barrier coatings by Raman spectroscopy |
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| Authors: | R.E. Benner A.S. Nagelberg |
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| Affiliation: | Sandia National Laboratories, Livermore, CA 94550, U.S.A. |
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| Abstract: | Raman spectroscopy is shown to be a useful tool for the observation of phase transitions in Y2O3-stabilized ZrO2 thermal barrier coatings. Data were collected in situ at temperatures up to 1050°C as a function of the Y2O3 content. Large hysteresis effects are observed in the phase transition temperatures. |
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