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Enhanced Oxidation Resistant Graded C-Carbide CMC Via Rapid CVI Process

Award Information
Agency: Department of Defense
Branch: Air Force
Contract: FA9300-18-P-1003
Agency Tracking Number: F173-008-0467
Amount: $149,959.00
Phase: Phase I
Program: SBIR
Solicitation Topic Code: AF173-008
Solicitation Number: 2017.3
Solicitation Year: 2017
Award Year: 2018
Award Start Date (Proposal Award Date): 2018-05-31
Award End Date (Contract End Date): 2019-05-31
Small Business Information
133 Defense Highway, Suite 212
Annapolis, MD 21401
United States
DUNS: 153908801
HUBZone Owned: No
Woman Owned: Yes
Socially and Economically Disadvantaged: No
Principal Investigator
 Larry Fehrenbacher
 (410) 224-3710
Business Contact
 Sharon Fehrenbacher
Phone: (410) 224-3710
Research Institution

Increased space launch payload requirements are driving the need for liquid rocket engines with higher thrust levels, specific impulses and thrust-to-weight ratios. This has triggered significant development efforts in improving the capabilities and reducing the costs of C/C composite nozzle extensions.In contrast to a paper study, this Phase 1 proposal will demonstrate the cost advantages of a rapid CVI process for producing a higher temperature, more durable C/C based 3D woven composite.Thermal-mechanical property test results will be combined with microstructural and compositional analyses to optimize and compare the rapid CVI method versus a conventional isothermal CVI process. The Phase 1 will also produce a manufacturing cost analysis of the GP-RTG CVI process in addition to outlining the data base requirements and the sequence of coupon, sub-element, and component tests needed to establish the basis for nozzle extension design, processing, and inspection.

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

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