Fouling Meter for Membrane Filters
Small Business Information
APPLIED RESEARCH ASSOC., INC.
4300 San Mateo Blvd. NE,, Suite A220, Albuquerque, NM, 87110
AbstractNot Available Proposed is the development of a novel magnetic field sensor comprised of two smart materials: piezoelectric ceramics, and magnetostrictive materials. Similar to a bi-metallic strip, this sensor consists of a thin beam of a substrate material with a thin wafer of piezoelectric material bonded to one side, and a thin wafer of magnetostrictive material bonded to the other. When the sensor is exposed to a magnetic field, the magnetostrictive material will strain thereby forcing the entire structure to bend. The bending will result in induced strain in the piezoelectric material and an induced voltage field across the piezoceramic. The induced strain on the piezoelectric material will generate a measurable potential across the poling axis of the piezoceramic, which will be proportional to the magnitude of the magnetic field. The sensor itself will require no external power to produce a signal. The proposed sensor will be reliable, possess no moving parts, small, rugged, and inexpensive when produced in large quantities
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