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Experimental Study of Time-dependent Failure of High Strain Composites

Ubamanyu, Kanthasamy and Hasanyan, Armanj D. and Pellegrino, Sergio (2020) Experimental Study of Time-dependent Failure of High Strain Composites. In: AIAA Scitech 2020 Forum. American Institute of Aeronautics and Astronautics , Reston, VA, Art. No. 2020-0207. ISBN 978-1-62410-595-1. https://resolver.caltech.edu/CaltechAUTHORS:20200110-160834737

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Abstract

High strain composites for coilable space structures can undergo micro-structural changes in the time period between stowage and deployment. These changes include the accumulation of residual stresses in response to curvature changes (stress-relaxation) and accumulation of damage, which may lead to rupture of high strain composites. Currently, the mechanisms that cause damage growth and failure are not well understood. In this study, new experimental approaches are explored for applying constant curvature changes, that replicate the stowage conditions while imaging the evaluation of cracks on the compression surface and of damage in the micro-structure of the test sample. The test temperature is raised to accelerate the failure process.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
https://doi.org/10.2514/6.2020-0207DOIArticle
ORCID:
AuthorORCID
Pellegrino, Sergio0000-0001-9373-3278
Additional Information:© 2020 American Institute of Aeronautics and Astronautics. Published Online: 5 Jan 2020.
Group:GALCIT
Other Numbering System:
Other Numbering System NameOther Numbering System ID
AIAA Paper2020-0207
Record Number:CaltechAUTHORS:20200110-160834737
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20200110-160834737
Official Citation:Experimental Study of Time-dependent Failure of High Strain Composites. Kanthasamy Ubamanyu, Armanj D. Hasanyan, and Sergio Pellegrino. AIAA Scitech 2020 Forum. January 2020; doi: 10.2514/6.2020-0207
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:100651
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:11 Jan 2020 00:28
Last Modified:11 Jan 2020 00:28

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