NASA 1996 SBIR Phase I


PROPOSAL NUMBER : 96-1 04.05-7485A

PROJECT TITLE : Electric Field Strictors for Cryogenic Actuators

TECHNICAL ABSTRACT (LIMIT 200 WORDS)

This Small Business Innovation Research (SBIR) Phase I program will address the fabrication and testing of piezoelectric and electrostrictors for high performance actuators and sensors operational at cryogenic temperatures. In collaboration with The Pennsylvania State University, the piezoelectric activity of perovskite Pb(Zr:Ti)O3 PZT ceramics will be compositionally engineered to compensate the shift in morophotropic phase boundary (MPB). For timite temperature usage, electrostrictors within the perovskite (1-x)SrTiO3-(x)BaTiO3 solid solution will be explored. In this one system, the large dielectric maximum at Tc and, thus large electrostrictive strain, can be readily varied for specific temperaturesincluding 20 K(liquid H2), 77 K (liquid N2) and 90 K (liquid O2) environments.

The Phase I research will provide a basis for further compositional optimization and processing in Phase II, that includes the manufacturing of monolithic sensors and multilayer actuator components.

POTENTIAL COMMERCIAL APPLICATIONS
Commercialization of both cryogenic piezoelectric and electrostrictive actuators and senosrs is projected based on current and pending NASA space applications including adaptive mirror control (20K) and fuel level sensors (liquid H2).
NAME AND ADDRESS OF PRINCIPAL INVESTIGATOR
Dr. Wesley Hackenberger
Director of R&D
TRS Ceramics, Inc.
2820 East College Avenue, Suite J
State College, PA 16801

NAME AND ADDRESS OF OFFEROR
TRS Ceramics, Inc.
2820 East College Avenue, Suite J
State College, PA 16801