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Interfacial Design of Composite Ablative Materials

Award Information
Agency: National Aeronautics and Space Administration
Branch: N/A
Contract: NNX10CC69P
Agency Tracking Number: 095167
Amount: $99,980.00
Phase: Phase I
Program: SBIR
Solicitation Topic Code: A2.01
Solicitation Number: N/A
Solicitation Year: 2009
Award Year: 2010
Award Start Date (Proposal Award Date): 2010-01-29
Award End Date (Contract End Date): 2010-07-29
Small Business Information
1046 New Holland Avenue, Lancaster, PA, 17601-5688
DUNS: 126288336
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Tapan Desai
 Principal Investigator
 (717) 295-6817
Business Contact
 Jon Zuo
Title: President
Phone: (717) 295-6058
Research Institution
This Phase I Small Business Innovative Research project proposes to develop a multiscale computational methodology capable of accurate prediction of the properties and performance of insulating ablative materials that are used to protect the re-entry of vehicles from excessive thermal loads. In particular, this effort will focus on multi-million atom, reactive molecular dynamics (MD) simulations of pyrolysis of phenolic resins enhanced with carbon nanotubes (CNT). The results will reveal the role of CNT interface on the reaction and the thermo-mechanical properties. The derived interfacial strength characteristics will then be incorporated into continuum-level simulations. The outcome of Phase I will provide a benchmark to perform MD simulations on pyrolysis of resin composites and methodology development to link atomistic-level with continuum-level simulations. Phase II will involve MD simulations on multi-walled, functionalized CNTs in cross-linked resin, optimization of the multi-scale modeling methodology and experimental validation. The outcome of the multiscale computational program will involve a detailed parametric study to find optimal parameters at multiple scales including: nanofiller diameter size, volume fraction and functionalization of nanotubes and ƒÝm-sized carbon fibers. These parameters will be optimized to best meet Orion vehicle¡¦s TPS challenges. The team involves engineers from ACT and researchers from Rensselaer Polytechnic Institute.

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

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