Polyurea Bi-Layer Coating for Self-Sealing Fuel Tanks

Award Information
Agency:
Department of Defense
Branch
Navy
Amount:
$79,998.00
Award Year:
2012
Program:
STTR
Phase:
Phase I
Contract:
N68335-12-C-0349
Award Id:
n/a
Agency Tracking Number:
N12A-001-0169
Solicitation Year:
2012
Solicitation Topic Code:
N12A-T001
Solicitation Number:
2012.A
Small Business Information
1 Riverside Circle, Suite 400, Roanoke, VA, -
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
627132913
Principal Investigator:
JamesGarrett
Principal Investigator
(434) 220-2505
garrettj@lunainnovations.com
Business Contact:
ShirleyEvans
Sr. Contract Administrato
(540) 961-6724
submissions302@lunainnovations.com
Research Institute:
Southwest Research Institute
Donald J Grosch
6220 Culebra Road
San Antonio, TX, 78238-5166
(210) 522-3176

Abstract
Self-sealing fuel tanks play an important role in protecting equipment and personnel by minimizing secondary threats from a ballistic penetration of the fuel tank. If a fuel tank is pierced by a projectile, the self-sealing bladder or coating uses a combination of elastomeric recovery in addition to fuel absorption and swelling to close the penetration and quickly stop a fuel leak. In this manner, the self sealing function can reduce the occurrence of fire or explosion and extend the mission. In order to provide the safety of self-sealing fuel tanks in a reliable, light-weight, low-cost solution, Luna Innovations is teaming with the Southwest Research Institute and prime aerospace contractors to develop a polyurea bi-layer coating system. The system will be spray applied to the exterior of a fuel tank in two layers. The inner layer is a novel, fuel absorbing elastomer which serves the dual roles of elastomerically shrinking the entrance wound, and swelling with fuel to close off any remaining opening. The external layer is fuel resistant and provides excellent elastomeric recovery to a penetration, and protection of the inner layer.

* information listed above is at the time of submission.

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