Research Article
Design and Experiment Study of Ultrasonic Longitudinal-Torsional Compound Consolidation Vibration System for Metal Foil
Table 1
Material parameters of ultrasonic transducer.
| | Material | Density 103 (kg/m3) | Elastic modulus E 1011 (N/m2) | Poisson’s ratio | Longitudinal wave velocity m/s |
| | Piezoelectric ceramic PZT-8 | 7.5 | 0.59 | 0.35 | 3100 | | Electrode slices (copper strip) | 8.9 | 1.23 | 0.35 | 3718 | | Front cover plate (aluminum alloy) | 2.7 | 0.70 | 0.34 | 5090 | | Rear cover plate (45# steel) | 7.8 | 2.16 | 0.28 | 5262 | | Prestressed screw (40 Cr) | 7.75 | 2.15 | 0.29 | 5267 | | Horn (45# steel) | 7.8 | 2.16 | 0.28 | 5262 | | Sonotrode (45# steel) | 7.8 | 2.16 | 0.28 | 5262 |
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