Eu~(3+)-Fluorescence for the Study of TBCs Failure Mechanism

【Author】

Xueqiang Cao;Yu Zhao;Sumei Zhao;

【Abstract】

<正>Thermal barrier coatings(TBCs)are finding increasing applications in gas turbines to provide thermal,corrosion and erosion protections for the metallic hot-section components in order to achieve higher gas temperature capability,improved efficiency and durability.A novel non-destructive inspection technique was developed to measure the residual stresses in TBCs by using Eu~(3+)photoluminescence piezo-spectroscopy.The relationship between the peak of~5D_0→~7F_2

【Keywords】

TBCs;Fluorescence for the Study of TBCs Failure Mechanism;Eu;

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