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Influence of isothermal aging conditions on APS TBC's interfacial fracture toughness

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Academic year: 2021

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Figure

Fig. 1. Principle for measuring 2a (crack size) and 2b (indentation imprint size) by Scanning Electron Microscopy.
Fig. 6 presents the morphology and microstructure of the oxide ther- ther-mally grown between the bond coat and the top coat following  isother-mal oxidation at 1050 °C during 100 h.
Fig. 10 shows the example of a specimen where crack is located within the CoCrNiO layer
Fig. 10. An example of the crack location for a specimen aged 300 h at 1050 °C (indentation load of 300 g).
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