SBIR Phase I: Solution Processing of Carbon Matrix Precursors for Control of Char Microstructure and Oxidation Behavior in Carbon-Carbon Composites

Award Information
Agency: National Science Foundation
Branch: N/A
Contract: 0060638
Agency Tracking Number: 0060638
Amount: $100,000.00
Phase: Phase I
Program: SBIR
Awards Year: 2001
Solicitation Year: N/A
Solicitation Topic Code: N/A
Solicitation Number: N/A
Small Business Information
720 Mound Avenue, COS 316, Miamisburg, OH, 45343
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Joseph Hager
 (937) 426-4429
Business Contact
 Constance Briddell
Title: Financial Officer
Phone: (937) 429-2375
Research Institution
This Small Business Innovation Research (SBIR) Phase I project addresses the problem of imparting intrinsic oxidation resistance to a carbon-carbon composite when the matrix is derived from a carbonaceous precursor via pyrolysis. The overall goal of the project is to assess the feasibility of using blends of pitch and pre-ceramic polymers as matrix precursors for carbon-carbon produced with a commercial processing cycle. The research objectives are two-fold: (1) Determine the relationship between blend formulation and the resultant microstructure following processing, and (2) Compare the oxidation kinetics and room temperature mechanical behavior of composite samples produced in this manner. Matrix precursors will be formulated by solution-blending pitches with silicon-containing compounds and then subjecting the blends to a conventional carbon-carbon processing cycle. The resultant chars are expected to exhibit unique two-phase microstructures with intriguing micro- and nano-scale features, and to impart oxidation resistance without deleterious impact on mechanical properties. The first commercial application of this method is expected to be used in lieu of baked coatings in carbon-carbon aircraft brakes. If successful, the technique may become an enabling technology for the use of carbon-carbon composites in a broad range of high temperature structural applications.

* Information listed above is at the time of submission. *

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