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声发射检测中的压电换能器
消耗积分:5 |
格式:rar |
大小:396 |
2009-07-17
王越建
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在声发射检测中,传感器是获取信息的关键部件之一。目前绝大部分声发射传感器
都是压电换能器。就采用压电原理的声发射传感器的发展及其校准问题作概述,对声发射传感器中的特殊问题孔径效应及其对传感器设计、性能和校准的影响进行讨论。
关键词:声发射检验;压电换能器;校准;综述
Abstract : Acoustic emission(AE) sensor is one of the key devices for acquiring AE information in AE testing. Most AE sen2 sors are piezoelectric transducers. Development of piezoelectric AE sensors and their calibration are presented. The problems of aperture effect and its influence on design , performance and calibration of AE sensors are discussed.
Keywords :Acoustic emission testing ; Piezoelectric transducer ; Calibration ; Survey
都是压电换能器。就采用压电原理的声发射传感器的发展及其校准问题作概述,对声发射传感器中的特殊问题孔径效应及其对传感器设计、性能和校准的影响进行讨论。
关键词:声发射检验;压电换能器;校准;综述
Abstract : Acoustic emission(AE) sensor is one of the key devices for acquiring AE information in AE testing. Most AE sen2 sors are piezoelectric transducers. Development of piezoelectric AE sensors and their calibration are presented. The problems of aperture effect and its influence on design , performance and calibration of AE sensors are discussed.
Keywords :Acoustic emission testing ; Piezoelectric transducer ; Calibration ; Survey
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