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Micromechanical Characterization and Testing of Carbon Based Woven Thermal Protection MaterialsWoven thermal protection system (TPS) materials are one of the enabling technologies for mechanically deployable hypersonic decelerator systems. These materials can be simultaneously used for thermal protection and as structural load bearing members during the entry, descent and landing operations. In order to ensure successful thermal and structural performance during the atmospheric entry, it is important to characterize the properties of these materials, once they have been subjected to entry like conditions. The present paper focuses on mechanical characteristics of pre-and post arc-jet tested woven TPS samples at different scales. It also presents the observations from scanning electron microscope and computed tomography images, and explains the changes in microstructure after being subjected to combined thermal-mechanical loading environments.
Document ID
20130014371
Acquisition Source
Ames Research Center
Document Type
Presentation
Authors
Agrawal, Parul (Engineering Research and Consulting, Inc. Moffett Field, CA, United States)
Pham, John T. (Universities Space Research Association Moffett Field, CA, United States)
Arnold, James O. (NASA Ames Research Center Moffett Field, CA, United States)
Peterson, Keith (Engineering Research and Consulting, Inc. Moffett Field, CA, United States)
Venkatapathy, Ethiraj (NASA Ames Research Center Moffett Field, CA, United States)
Date Acquired
August 27, 2013
Publication Date
January 28, 2013
Subject Category
Mechanical Engineering
Report/Patent Number
ARC-E-DAA-TN7611
Funding Number(s)
CONTRACT_GRANT: NNA10DE12C
Distribution Limits
Public
Copyright
Public Use Permitted.

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