eleceram company |
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Piezoelectric ceramic material properties
Item | Unit | Symbol | QA | QB | P8 | QS | HD | MD | KA | KB |
Electromechanical coupling coefficient | Kp | 0.58 | 0.59 | 0.51 | 0.54 | 0.67 | 0.65 | 0.64 | 0.63 | |
Kt | 0.45 | 0.46 | 0.40 | 0.43 | 0.35 | 0.37 | 0.45 | 0.42 | ||
0.34 | 0.35 | 0.30 | 0.32 | 0.41 | 0.38 | 0.37 | 0.35 | |||
Frequency constant | Hz m | Np | 2200 | 2150 | 2340 | 2290 | 1940 | 1980 | 2060 | 2080 |