Development of Surface Reaction Mechanism for C-SiC-SiO2-Rubber Composite Oxidation in Extreme Oxidizing Condition

Award Information
Agency: Department of Defense
Branch: Navy
Contract: N68335-10-C-0373
Agency Tracking Number: N10A-005-0148
Amount: $69,969.00
Phase: Phase I
Program: STTR
Awards Year: 2010
Solicitation Year: 2010
Solicitation Topic Code: N10A-T005
Solicitation Number: 2010.A
Small Business Information
CFD Research Corporation
215 Wynn Dr., 5th Floor, Huntsville, AL, 35805
DUNS: 185169620
HUBZone Owned: N
Woman Owned: Y
Socially and Economically Disadvantaged: N
Principal Investigator
 Debassis Sengupta
 Senior Principal Scientis
 (256) 726-4800
Business Contact
 Deb Phipps
Title: Senior Contracts Speciali
Phone: (256) 726-4884
Research Institution
 The Pennsylvania State University
 David Richardson
 Office of Engineering Research
101 Hammond Building
University Park, PA, 16802
 (814) 863-6185
 Nonprofit college or university
The purpose of this STTR is to develop comprehensive detailed kinetics for oxidation of C-SiC-SiO2-rubber in extreme oxidizing environment. This material is used as a coating on the outer surface of Navy weapon systems. In order to predict the fate of this material under extreme conditions and mitigate the degradation of the coating, a comprehensive oxidation mechanism is required. In Phase I, CFDRC, in collaboration with Penn State, will develop a detailed surface reaction mechanism for C-SiC-SiO2-rubber oxidation. We will use novel molecular modeling methods, such as reactive molecular dynamics and quantum chemistry in conjunction with reaction rate theories and literature reports to develop the rate parameters of a series of elementary reactions. In Phase I, feasibility of this approach will be demonstrated via computing reactions related to SiC oxidation. When complete, this mechanism can be used with any thermal analysis code to predict the oxidative degradation of the composite material. In addition, this will also help in designing novel composites with improved properties.

* information listed above is at the time of submission.

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