Low Cost Production of Transparent Spinel Domes Using Freeze Casting

Award Information
Agency:
Department of Defense
Amount:
$729,999.00
Program:
SBIR
Contract:
W31P4Q-10-C-0120
Solitcitation Year:
2008
Solicitation Number:
2008.2
Branch:
Army
Award Year:
2010
Phase:
Phase II
Agency Tracking Number:
A2-3723
Solicitation Topic Code:
A08-037
Small Business Information
Materials & Electrochemical Research (ME
7960 S. Kolb Rd., Tucson, AZ, -
Hubzone Owned:
N
Woman Owned:
N
Socially and Economically Disadvantaged:
N
Duns:
147518286
Principal Investigator
 Juan Sepulveda
 Vice-Pres. Technical Mark
 (520) 574-1980
 mercorp@mercorp.com
Business Contact
 James Withers
Title: C.E.O.
Phone: (520) 574-1980
Email: jcwithers@mercorp.com
Research Institution
N/A
Abstract
This Phase II SBIR ARMY project proposes the development/optimization and preliminary scale up of 7” in diameter hemispherical spinel domes (3.5” radius, 0.18” wall thickness, 160 degree aperture) through the combination of freeze casting (FC) technology with unique nanopowder coating technology commercialized by MER (NC-Spinel™) for magnesium aluminate spinel (MgAl2O4) ceramics. These technologies allow for the production of spinel domes with high green density, green near net shape, no residual stress, that result in 99.99% Th.D. for the sintered domes minimizing the distortion and residual stresses on the sintered dome. The novel process requires less secondary machining after sintering to produce high quality transparent domes at a lower cost when compared to cold isostatic pressing (CIP) technology. MER successfully demonstrated this technology during Phase I.

* information listed above is at the time of submission.

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