Single crystal piezoelectric composites for advanced NDT ultrasound

Xiaoning Jiang; Kevin Snook; Wesley S. Hackenberger; Xuecang Geng

doi:10.1117/12.715150

19 April 2007 Single crystal piezoelectric composites for advanced NDT ultrasound

Xiaoning Jiang, Kevin Snook, Wesley S. Hackenberger, Xuecang Geng

Proceedings Volume 6531, Nondestructive Characterization for Composite Materials, Aerospace Engineering, Civil Infrastructure, and Homeland Security 2007; 65310F (2007) https://doi.org/10.1117/12.715150
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2007, San Diego, California, United States

Abstract

In this paper, the design, fabrication and characterization of PMN-PT single crystal/epoxy composites are reported for NDT ultrasound transducers. Specifically, 1-3 PMN-PT/epoxy composites with center frequencies of 5 MHz - 40 MHz were designed and fabricated using either the dice-and-fill method or a photolithography based micromachining process. The measured electromechanical coefficients for composites with frequency of 5 MHz - 15 MHz were about 0.78-0.83, and the coupling coefficients for composites with frequencies of 25 MHz- 40 MHz were about 0.71-0.72. The dielectric loss remains low (< 0.05). These properties hold promise for advanced NDT ultrasound applications.

Citation Download Citation

Xiaoning Jiang, Kevin Snook, Wesley S. Hackenberger, and Xuecang Geng "Single crystal piezoelectric composites for advanced NDT ultrasound", Proc. SPIE 6531, Nondestructive Characterization for Composite Materials, Aerospace Engineering, Civil Infrastructure, and Homeland Security 2007, 65310F (19 April 2007); https://doi.org/10.1117/12.715150

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