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23 July 1993 Effect of piezoelectric rod orientation on optimum sensitivity
H. Dean Batha
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Proceedings Volume 1916, Smart Structures and Materials 1993: Smart Materials; (1993) https://doi.org/10.1117/12.148485
Event: 1993 North American Conference on Smart Structures and Materials, 1993, Albuquerque, NM, United States
Abstract
Piezoelectric composites are being developed for use as active materials in isolation mounts. The ability to sense and respond to both longitudinal and shear waves is required. Composites have been fabricated with piezoelectric rods at different angles with respect to the surface. The response of the piezoelectric rods to a sharp impulse on the 1 - 3 composite plate increases abruptly at angles less than 60 degrees from the surface of the plate. Angled rods aligned radially are more sensitive then similarly angled rods aligned normal to the signal source. Mechanical impact and embedded acoustic generators at the center of the composite produced the signals for the sensitivity experiments. Oriented piezoelectric ceramic elements allow design of materials for specific mode control and also provide an excellent tool for in-situ nondestructive testing of materials.
© (1993) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
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H. Dean Batha "Effect of piezoelectric rod orientation on optimum sensitivity", Proc. SPIE 1916, Smart Structures and Materials 1993: Smart Materials, (23 July 1993); https://doi.org/10.1117/12.148485
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