Table 5 Hardness variation.

From: Research on crack propagation behaviour of EB-PVD TBCs based on TGO evolution

H (GPa)

As-received

25 h

50 h

75 h

25 cycles

50 cycles

TC

10.3719

14.1888

9.5543

10.6410

14.2983

9.9428

TGO

–

32.9226

37.5685

20.0772

27.4615

38.9057

BC

7.6247

7.8930

6.4323

5.8502

9.0081

6.3914

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