MOSI2/SIC FIBER REINFORCED COMPOSITES FOR HIGH PERFORMANCE STRUCTURAL APPLICATIONS

Award Information
Agency:
Department of Defense
Branch
Defense Advanced Research Projects Agency
Amount:
$49,895.00
Award Year:
1989
Program:
SBIR
Phase:
Phase I
Contract:
n/a
Award Id:
9918
Agency Tracking Number:
9918
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
57 Maryanne Dr, Monroe, CT, 06468
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
n/a
Principal Investigator:
Dr Yogesh Mehrotra
(203) 261-5200
Business Contact:
() -
Research Institute:
n/a
Abstract
THE MAIN OBJECTIVE OF THIS PROPOSED PROGRAM IS TO DEVELOP THE TECHNOLOGY FOR FABRICATING HIGH TEMPERATURE, HIGH OXIDATION RESISTANTS MOSI2/SIC FIBER REINFORCED CERAMIC STRUCTURES VIA A SCALABLE AND COST EFFECTIVE CHEMICAL VAPOR DEPOSITION (CVD) + HOT ISOSTATIC-PRESSING PROCESSES. IN PHASE I, THE FEASIBILITY OF FABRICATING A HIGH PERFORMANCE MOSI2/SIC COMPOSITE VIA A SCALABLE CVD PROCESS WILL BE ESTABLISHED. SMALL SAMPLES OF THE COMPOSITE WILL BE FABRICATED BY COATING SIC FIBERS BY CVD AND THEN HIP'ING THE FIBERS IN MOSIC MATRIX SUCH THAT LARGE COMPRESSIVE STRESSES ARE PRODUCED ON THE COMPOSITE SURFACE. THE COMPOSITE MATERIAL WILL BE CHARACTERIZED FOR IMPORTANT PROPERTIES SUCH AS DENSITY HARDNESS, FLEXURAL STRENGTH, FRACTURE TOUGHNESS AND THERMAL EXPANSION COEFFICIENT. FINALLY, ANALYTICAL UNDERSTANDING OF THE COMPOSITE AND THE CVD + HIP PROCESS PARAMETERS WILL BE DEVELOPED TO PROVIDE PROCESS SCALING TO LARGE SIZES AND TO OTHER MATERIALS.

* information listed above is at the time of submission.

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