Novel Method for Fabricating Carbon Nanofiber Toughened Silicon Carbide Composites

Award Information
Agency: Department of Defense
Branch: Air Force
Contract: FA9550-05-C-0137
Agency Tracking Number: F054-023-0073
Amount: $99,890.00
Phase: Phase I
Program: STTR
Awards Year: 2005
Solicitation Year: 2005
Solicitation Topic Code: AF05-T023
Solicitation Number: N/A
Small Business Information
141 W. Xenia Ave., PO Box 579, Cedarville, OH, 45314
DUNS: 173666215
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Ronald Jacobsen
 Principal Investigator
 (937) 766-2020
Business Contact
 Max Lake
Title: President / CEO
Phone: (937) 766-2020
Research Institution
 Rebecca A Koesters
 300 College Park
Dayton, OH, 45469
 (937) 229-3024
 Nonprofit college or university
Carbon nanotube-reinforced ceramics are a promising class of materials that are plagued by extreme processing conditions which compromise the nanotubes, thereby inhibiting their ability to positively impact the ceramic composite. Applied Sciences, Inc. (ASI) proposes an innovative solution to this problem. Our process exploits the unique morphology of low-cost carbon nanofibers, upon which the ceramic matrix is built. This low-pressure process fully encapsulates the nanofiber - thereby protecting it from oxidation. This process also provides an intimate bond between the nanofiber and matrix that is of tailorable strength - thereby allowing optimization of the composite's fracture toughness. Ceramic nanocomposites made from this process are expected to engender a 25% improvement in fracture toughness over traditional fiber-reinforced ceramic matrix composites, and a 75% improvement in fracture toughness over monolithic silicon carbide. They will also exhibit oxidation resistance up to at least 1800 deg C. Our Phase I team, which includes 5 PhDs with a combined 100 years of relevant experience, will ensure the technical success of this effort and the broad dissemination of research results throughout the scientific community.

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

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