Shear-structured piezoelectric accelerometers based on KNN lead-free ceramics for vibration monitoring
Yi Ding, Yu Wang, Wenbin Liu, Yongqi Pan, Ping Yang, Dechao Meng, Ting Zheng, Jiagang Wu
Abstract
A study of KNN-based ceramic coefficients enabled the development of a shear-mode piezoelectric accelerometer with excellent performance. This work proposes using the effective piezoelectric coefficient d ij (eff) to evaluate sensor materials.
Topics & Concepts
Materials scienceAccelerometerPiezoelectricityVibrationShear (geology)CeramicLead (geology)Composite materialPiezoelectric accelerometerAcousticsPiezoelectric sensorStructural engineeringComputer scienceEngineeringOperating systemGeologyPhysicsGeomorphologyStructural Health Monitoring TechniquesAdvanced MEMS and NEMS Technologies