Accession Number : ADA331907
Title : Composite Piezoelectric Assemblies for Torsional Actuators
Descriptive Note : Progress rept. Jun 96-Jul 97
Corporate Author : NAVAL RESEARCH LAB WASHINGTON DC MECHANICS OF MATERIALS BRANCH
Personal Author(s) : Kim, Chulho ; Jessen, Todd ; DeGiorgi, Virginia ; Bender, Barry ; Wu, Carl C.
PDF Url : ADA331907
Report Date : 30 SEP 1997
Pagination or Media Count : 60
Abstract : A new piezoelectric actuator was developed for the direct production of large angular displacement and torque, with a monolithic, solid state device. The intended application of this device is to control vibration and noise in aircraft, helicopter, spacecraft and in manipulators and positioners where direct rotary motion is required. Actuator design and assembly methods, materials preparation, poling procedures, and test results for joint strengths, and actuator output capabilities are discussed.
Descriptors : *PIEZOELECTRIC MATERIALS, *ACTUATORS, VIBRATION ISOLATORS, ELECTROMECHANICAL DEVICES, NOISE REDUCTION, TORSION, AIRCRAFT NOISE, SHEAR STRENGTH.
Subject Categories : Flight Control and Instrumentation
Machinery and Tools
Distribution Statement : APPROVED FOR PUBLIC RELEASE