Research Article
The Effect of Piezoelectric Fiber Rosette Configurations on Lamb Wave Direction Detection for Damage Localization
Table 1
Material physical parameters of the piezoelectric wafer and piezoelectric fibers.
| | Parameter | Piezoelectric wafer | Piezoelectric fibers |
| | Density () | 7600 | 7850 | | Relative dielectric constant | 900 | 1850 | | Piezoelectric constant () | 225 | 440 | | Piezoelectric constant () | 97 | 185 | | Elastic compliance constant () | 11.20 | 18.50 | | Elastic compliance constant () | 13.36 | 20.70 | | Electromechanical coupling factors | 0.6 | 0.62 | | Electromechanical coupling factors | 0.7 | 0.72 |
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