NOVEL PROCESSING OF COATED BORON PARTICLES

Award Information
Agency:
Department of Defense
Branch
Navy
Amount:
$69,469.00
Award Year:
1990
Program:
SBIR
Phase:
Phase I
Contract:
n/a
Award Id:
12179
Agency Tracking Number:
12179
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
520-b Danbury Rd, New Milford, CT, 06776
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
n/a
Principal Investigator:
Edward A Sturm
(203) 355-2681
Business Contact:
() -
Research Institution:
n/a
Abstract
SOLID METAL FUELS CAN PROVIDE GREATER THRUST AND FUEL EFFICIENCY THAN LIQUID FUELS. BORON PARTICLES, A MOST ATTRACTIVE SOLID FUEL ON A THERMOCHEMICAL BASIS, IGNITE UPON EXPOSURE TO MOIST AIR AND UNDERGO A RAPID COMBUSTION WITH HIGH VOLUMETRIC HEAT RELEASE. UNFORTUNATELY, THIS REACTION IS SIGNIFICANTLY SLOWED BY IMPURITIES IN THE BORON AND BY THE FORMATION OF OXIDES UPON THE PARTICLE SURFACE DURING THE IGNITION PROCESS. HOWEVER, IT SHOULD BE POSSIBLE TO DEPOSIT A CONTINUOUS THIN FILM OF ALUMINUM OR MAGNESIUM ONTO PURE BORON VIA CVD, ALLOWING UNIFORM PARTICLE HEATING AND IGNITION WITHOUT SURFACE PASSIVATION. A NOVEL ALUMINUM SOURCE REAGENT AND COATING PROCESS HAVE ALREADY BEEN DEVELOPED BY ATM. IN PHASE I, AN INNOVATIVE COATING TECHNIQUE WILL BE EMPLOYED ALLOWING UTILIZATION OF THIS TECHNOLOGY AND OPTIMIZATION OF THE METAL COATINGS. A SIMILAR PROCESS WILL BE DEVELOPED FOR MGNESIUM COATING OF THE SOLID FUEL AND REACTION KINETICS WILL BE EVALUATED TO ASSESS COATING EFFECTIVENESS. POSITIVE PHASE I RESULTS, INCLUDING COST ESTIMATES, WILL RESULT IN A PHASE II PROGRAM IN WHICH BORON PURITY IS ASSURED VIA IN-SITU COATING OF VAPOR DEPOSITED BORON PARTICLES. REACTION KINETICS WILL BE OPTIMIZED THROUGH COATING APPLICATION AND PILOT QUANTITIES OF METAL COATED BORON PARTICLES WILL BE PRODUCED FOR COMBUSTION TESTING.

* information listed above is at the time of submission.

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