In-Plane elasto-plastic characterization of 3K70PW carbon fabric/INF14 for MAT 213 Material Model
Keshavanarayana, Suresh R. Jagadheeswaran, Shritha Yerram, Ganesh
Keshavanarayana, Suresh R.
Jagadheeswaran, Shritha
Yerram, Ganesh
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2024
Type
Conference paper
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Keywords
Carbon fabrics,Coupon tests,LS-DYNA,Material modeling
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Citation
a
Abstract
The in-plane constitutive behavior of the room temperature cure 3K70PW Carbon Fabric/INF14 material system has been characterized using standardized coupon tests. The test data was utilized to populate the LS-DYNA MAT213 orthotropic elasto-plastic material card which employs a quadratic yield criterion along with a non-associative quadratic flow rule. The material exhibited tension–compression asymmetry in addition to non-linear behavior under in-plane loading dominated by compression and shear. The test data was used to develop the flow rule parameters of the material model. The model predictions were compared with the test data for simple loading cases and were found to be in satisfactory agreement. © ASCE.
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Earth and Space 2024: Engineering for Extreme Environments - Proceedings of the 19th Biennial International Conference on Engineering, Science, Construction, and Operations in Challenging Environments, 15 April 2024 through 18 April 2024.
Earth and Space 2024: Engineering for Extreme Environments - Proceedings of the 19th Biennial International Conference on Engineering, Science, Construction, and Operations in Challenging Environments, 15 April 2024 through 18 April 2024.
Publisher
American Society of Civil Engineers (ASCE)
Journal
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Series
Biennial International Conference on Engineering, Science, Construction, and Operations in Challenging Environments