Research Article
Lamb Waves in a Functionally Graded Composite Plate with Nonintegral Power Function Volume Fractions
Table 1
Products of thickness and cutoff frequencies of the Lamb waves propagating in the homogenous plate and the FGM plate
(MHz⋅mm).
| | Cr | Ceramics | FGM () | FGM () | FGM () | FGM () |
| 1 | 11.862 | 17.289 | 14.931 | 14.135 | 13.708 | 13.233 | 2 | 19.577 | 30.802 | 26.013 | 24.243 | 23.267 | 22.195 | 3 | 23.723 | 34.577 | 29.855 | 28.287 | 27.173 | 26.173 | 4 | 35.585 | 51.866 | 44.832 | 42.132 | 40.675 | 39.142 | 5 | 39.154 | 61.603 | 51.988 | 48.228 | 46.202 | 44.071 | 6 | 47.447 | 69.155 | 59.790 | 56.154 | 54.192 | 52.125 |
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