Accession Number : ADD016579
Title : Compositive Piezoelectrics Utilizing A Negative Poisson Ratio Polymer.
Descriptive Note : Patent, Filed 4 Dec 92, patented 2 Aug 94,
Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON DC
Personal Author(s) : Smith, Wallace A
Report Date : 02 Aug 1994
Pagination or Media Count : 12
Abstract : A piezoelectric composite which can be used as a transducer is constructed of parallel piezoelectric ceramic rods set in a passive polymer matrix which has a negative Poisson ratio whereby the electromechanical coupling of the transducer is greatly increased.
Descriptors : *POISSON RATIO, *POLYMERS, *PATENTS, COUPLINGS, RATIOS, RODS, TRANSDUCERS, PIEZOELECTRIC MATERIALS, COMPOSITE MATERIALS, CERAMIC MATERIALS, ELECTROMECHANICAL DEVICES
Subject Categories : Mechanics
Electricity and Magnetism
Ceramics, Refractories and Glass
Distribution Statement : APPROVED FOR PUBLIC RELEASE