23 Acoustic Emission in Coatings—A Review
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Fig. 23.3 Illustration of the failure process, of the a as-sprayed TBCs b pre-oxidized TBCs under
three-point bending test [21]
Fig. 23.4 Plot of deformed volume and AE energy as the function of loading time. a Superalloy/BC/YSZ. b stainless steel/BC/YSZ [26]
Fig. 23.5 Typical AE signal which corresponds to the plot of flexure stress versus time for the four
coating systems. a Superalloy/BC/YSZ. b Stainless steel/BC/YSZ [26]
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Fig. 23.3 Illustration of the failure process, of the a as-sprayed TBCs b pre-oxidized TBCs under
three-point bending test [21]
Fig. 23.4 Plot of deformed volume and AE energy as the function of loading time. a Superalloy/BC/YSZ. b stainless steel/BC/YSZ [26]
Fig. 23.5 Typical AE signal which corresponds to the plot of flexure stress versus time for the four
coating systems. a Superalloy/BC/YSZ. b Stainless steel/BC/YSZ [26]