Design and Analysis of Metal-to-Composite Nozzle Extension Joints

Award Information
Agency:
National Aeronautics and Space Administration
Amount:
$99,989.00
Program:
SBIR
Contract:
NNX11CH35P
Solitcitation Year:
2010
Solicitation Number:
N/A
Branch:
N/A
Award Year:
2011
Phase:
Phase I
Agency Tracking Number:
105081
Solicitation Topic Code:
X2.01
Small Business Information
Materials Research and Design
PA, Wayne, PA, 19087-1858
Hubzone Owned:
N
Woman Owned:
N
Socially and Economically Disadvantaged:
N
Duns:
966563884
Principal Investigator
 Craig Iwano
 Principal Investigator
 (610) 964-9000
 craig.iwano@m-r-d.com
Business Contact
 Brian Sullivan
Title: Director
Phone: (610) 964-6131
Email: brian.sullivan@m-r-d.com
Research Institution
 Stub
Abstract
As the operational demands of liquid rocket engines increases, so too does the need for improved design and manufacturing methods for metal-to-composite nozzle extensions. The state of the art utilizes non-domestic composite materials for nozzle extensions. Although this solution does offer weight savings and increased performance, there is an increase in cost and the addition of Export regulations. Within this effort, Materials Research & Design (MR & D) is proposing an analytical study, coupled with subcomponent fabrication and testing, that would result in a design for a domestically available C-C nozzle extension and metallic-to-composite joint for the J-2X. The proposed study would investigate various mechanical attachment methods, such as mechanical fasteners and adhesives for both the CMC-to-metallic joint and the CMC-to-CMC joint. Additional aspects of the trade study would investigate various flange shapes and materials in order to reduce the critical stresses in the region.

* information listed above is at the time of submission.

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