作者: Ki-Bok Kim , David K. Hsu , Bongyoung Ahn , Young-Gil Kim , Daniel J. Barnard
DOI: 10.1016/J.ULTRAS.2010.04.001
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摘要: This paper describes fabrication and comparison of PMN-PT single crystal, PZT, and PZT-based 1-3 composite ultrasonic transducers for NDE applications. As a front matching layer between test material (Austenite stainless steel, SUS316) and piezoelectric materials, alumina ceramics was selected. The appropriate acoustic impedance of the backing materials for each transducer was determined based on the results of KLM model simulation. Prototype ultrasonic transducers with the center frequencies of approximately …