Piezoelectric ceramic material include powder, block, plate, disc, ring, tube with silver , gold and nickel electrode. Typical values of piezoelectric ceramic materials Material typesS51S52S53S54 S51A S54A S55PropertiesItemsP-5AFT-3FT-4P-5HTK4800Coupling Coefficients(%)Kp71818277827582Kt51515252 51K3138434442 45Piezoelectric Charge Constants (PC/N)d33450550640650450700750d31-200-260-300-290 - ...