Development of Zinc Sulfide Seeker Window Material

Award Information
Agency:
Department of Defense
Branch
Missile Defense Agency
Amount:
$99,910.00
Award Year:
2004
Program:
SBIR
Phase:
Phase I
Contract:
W9113M-04-P-0072
Award Id:
69663
Agency Tracking Number:
B041-053-0951
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
62 Portland Rd, Kennebunk, ME, 04043
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
132480968
Principal Investigator:
Paul Hurlburt
President
(207) 985-4200
phurlburt@vicustech.com
Business Contact:
Paul Hurlburt
President
(207) 985-4200
phurlburt@vicustech.com
Research Institution:
n/a
Abstract
Ground based interceptors require the use of dual color focal planes or wideband seekers for improved target acquisition and target discrimination. The transmission capabilities of the current window material have a limited waveband. A material which has the ability to transmit at higher wavelengths may be required. An analysis conducted on alternate seeker window materials using rigorous computational fluid dynamics to predict the worst case aerodynamic heating combined with finite element thermal and structural analysis was used to construct a statistical analysis model. This model, supported by test data, was used to predict window reliability incorporating size effects. The results showed that multispectral zinc sulfide exceeded the current THAAD requirements. In addition to the performance attributes of an alternate seeker window, zinc sulfide offers significant cost benefits and it is estimated that the current seeker window cost would be reduced by 70-80%. This effort will establish statistical flexural strength data for multispectral zinc sulfide material fabricated using the same procedures as the current window material. The data will be measured at ambient, worst case, and intermediate temperature levels. The information will be used to substantiate multispectral zinc sulfide as a candidate replacement window material for the THAAD interceptor.

* information listed above is at the time of submission.

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