Identification of the Anisotropic Elastic Parameters of NiCrAlY Coating by Combining Nanoindentation and Finite Element Method

Table 4

Natural frequencies of the coated plate using isotropic and anisotropic parameters.

Mode order	1	2	3	4	5	6	7	8
Experiment (Hz)	87.75	227.75	538	777.25	814	1463.25	1526	1772.25
Isotropic (Hz)	87.453	230.17	539.80	804.69	820.16	1491.2	1563.4	1793.9
Error (%)	0.34	1.06	0.33	3.53	0.76	1.91	2.45	1.22
Anisotropic (Hz)	86.890	228.61	535.65	800.02	813.80	1479.0	1549.1	1777.2
Error (%)	0.98	0.38	0.44	2.93	0.025	1.08	1.51	0.28