Fabrication of angle beam two-element ultrasonic transducers with PMN–PT single crystal and PMN–PT/epoxy 1–3 composite for NDE applications
作者： Yaoyao Zhang , Sheng Wang , Da’an Liu , Qinhui Zhang , Wei Wang
DOI: 10.1016/J.SNA.2011.04.004
关键词:
摘要: Abstract The paper describes the fabrication of angle beam two-element prototype ultrasonic transducers with PMN–PT single crystal and PMN–PT/epoxy 1–3 composite. optimal designs were obtained based on simulation PiezoCAD software. A two-layer front matching structure for transducer a one-layer composite selected to match polyimide slopping block. In detection stainless steel reference block, commercial PZT-based show similar performances in sensitivity bandwidth, shows best performances. two-way insertion loss bandwidth at −6 dB are −21.3 dB 94.5%, respectively.
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