Diboride Composites Reinforced with Silicon-Carbide Platelets

Award Information
Agency:
National Aeronautics and Space Administration
Branch
n/a
Amount:
$598,661.00
Award Year:
1995
Program:
SBIR
Phase:
Phase II
Contract:
n/a
Award Id:
22787
Agency Tracking Number:
22787
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
Ashton Parkway, Cumberland, RI, 02864
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
n/a
Principal Investigator:
Michael J. White
(401) 333-0957
Business Contact:
() -
Research Institution:
n/a
Abstract
The addition of Sic Platelets to selected diboride material systems offers the possibilities of increased toughness and improved Thermal protection. The innovative use of single crystal silicon carbide platelets with their highly reflective crystalographic planes, could lead to increased hot wall heat fluxes due to increased reflectivity of the platelets versus the normal particulate. In addition to increased thermal performance, one would anticipate an improvement in the fracture toughness of a platelet reinforced composite over the normal particulate material due to beneficial crack tip deflection. A series of materials and processing techniques will be employed to produce test coupons for mechanical and arc jet testing. Assumming success, a number of devices such as leading edges, injectors, heat exchangers, and sensors could be manufactured under a Phase 2 project.

* information listed above is at the time of submission.

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