Abstract
Thermal cycling tests with two different EB‐PVD thermal barrier coatings (TBC) were performed in a furnace cycle test. The results of these tests showed an increase of endurable cycle number when pyrochloric La2Zr2O7 was used as TBC. 1865 cycles were reached with La2Zr2O7 and 1380 cylces with 7 weigth‐% yttria stabilised zirconia (YSZ) EB‐PVD TBC. Additional investigation was made with scanning electron microscope (SEM) to investigate morphology and to determine chemical composition by electron dispersive x‐ray spectroscopy (EDS) analysis. X‐Ray diffraction was performed to analyze structural constitution of deposited coatings.
Published Version
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