一种用于平衡旋转部件的振动传感器的高性能压电陶瓷材料

C. Miclea, M. Cioangher, C. Miclea, L. Trupina, C. Miclea, L. Amarande, S. Spânulescu, R. Faibis
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引用次数: 0

摘要

制备了一种掺6原子W的PZT型高性能压电陶瓷材料,用于汽车电机-风扇组平衡振动传感器的传感元件。材料的压电参数值较高,可作为振动传感器使用。换能器由夹在两个钢块之间的环形有源元件组成。换能器工作在准静态状态下,频率远低于共振频率,通过后端附着的金属盖紧紧地拧在测量系统中。
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A High performance piezoceramic material for a vibration transducer for balancing of rotating parts
A high performance piezoceramic material of PZT type, doped with 6 atomic % W, was prepared in order to be used as sensing element for a vibration transducer used to equilibrate the motor-fan group of auto vehicles. The piezoelectric parameters of material showed high values which recommended it for the vibration transducer. The transducer consists of a ring shaped active element sandwiched between two steel blocks. The transducer works in quasistatic regime, at frequencies much lower than the resonance frequency, being tightly screwed in the measurement system by a metallic cover attached at the back end.
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