Innovation in Strain Sensing and Damage Detection in Composite Repairs using Printed Gages

Award Information
Agency: Department of Defense
Branch: Navy
Contract: N68335-11-C-0191
Agency Tracking Number: N091-025-0527
Amount: $356,517.00
Phase: Phase II
Program: SBIR
Awards Year: 2011
Solicitation Year: 2009
Solicitation Topic Code: N091-025
Solicitation Number: 2009.1
Small Business Information
7 Flowerfield, Suite 28, St. James, NY, -
DUNS: 083265558
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Jason Trelewicz
 Project Manager
 (631) 686-5710
Business Contact
 Jeffrey Brogan
Title: CEO
Phone: (631) 686-5710
Research Institution
Wireless strain sensing is proposed as an innovative solution to health monitoring of aerostructures, with particular emphasis on diagnostic, high fidelity vehicle repair. Employing the Direct Write Thermal Spray process, low-profile strain gages will be fabricated and embedded on composite surfaces for monitoring static and dynamic strain. Sensor characteristics, such as gage factor, drift, thermal response, and durability will be optimized to meet Navy requirements through systematic thermal, mechanical, and environmental testing. Deposition parameters will be tailored to enhance compatibility with composite structures and facilitate sensor deployment on aerospace components. To access the recorded strain history and address integration challenges associated with composite instrumentation, a wireless interrogation package will be developed for communicating data from the sensor arrays to a mobile computer. This system will comprise an on-board electronics package that will interface directly with the sensors to record strain data, and a mobile interrogation unit to wirelessly acquire and analyze data from the on-board system memory. Integrated strain sensing and ruggedized wireless acquisition provides a deployable solution for aerostructure diagnostics and health management.

* Information listed above is at the time of submission. *

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