Soft materials
Characteristics of soft piezoceramic material (PZT5, PZT5A )
Soft ceramics feature high sensitivity and permittivity and are well suited for static or semi static applications, where large deflections are required. They produce larger displacements because their piezoelectric constants are higher. However, when operated in dynamic mode at high field such soft piezoceramic material types suffer from high dielectric losses and high dissipation factors, which may lead to overheating over an extended period of operation.
Soft piezoelectric ceramics are ideal for:
• Sensors, including conventional vibration detectors
• Ultrasonic transmitters and receivers
• Actuators used for nano-positioning or micro-positioning
• Object monitoring and identification
• Electro-acoustic applications, including microphones and sound transducers
• Sound pickups for musical instruments
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