Naval Device Applications of Relaxor Piezoelectric Single Crystals

Award Information
Agency: Department of Defense
Branch: Navy
Contract: N00014-04-C-0114
Agency Tracking Number: N02-066-26
Amount: $829,864.00
Phase: Phase II
Program: SBIR
Awards Year: 2005
Solicitation Year: 2002
Solicitation Topic Code: N02-066
Solicitation Number: 2002.1
Small Business Information
2820 East College Avenue, State College, PA, 16801
DUNS: 782683007
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Paul Rehrig
 Director of Research & De
 (814) 238-7485
Business Contact
 Wesley Hackenberger
Title: Managing Director
Phone: (814) 238-7485
Research Institution
The objectives of this Phase II program are to demonstrate the feasibility of high frequency Tonpilz transducers utilizing PMN-PT single crystal “32” mode resonators poled along <110>. TRS will prepare and characterize the properties of the “32” mode samples by determining the full property matrix for this special crystal cut. These measurements will be based on IEEE standard techniques. NAVSEA Newport will determine coupling, dielectric constant, d32, and energy density of <110> oriented “32” mode resonators as a function of compressive prestress and drive field using the SDECS measurement system as well as perform compression and tensile strength measurements. Using the complete characterization of the “32” mode samples, ARL will perform complete 3D finite element modeling to optimize the tonpilz design. Finally, a single element Tonpilz resonator will be constructed by TRS coupled with assembly technology transfer and evaluated with in-water testing by ARL. In the Phase II Option, a multi-element array will be constructed and evaluated with in-water testing.

* information listed above is at the time of submission.

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