Geometric impact on the implosion energy and failure mechanics of carbon composite tubes

Geometric impact on the implosion energy and failure mechanics of carbon composite tubes A parametric study on the implosion of carbon fiber reinforced epoxy composite tubes is conducted to determine effects of geometric scaling. Experiments are performed in a pressure vessel designed to provide constant hydrostatic pressure through the collapse. Roll-wrapped carbon fiber/epoxy tubes with identical wall thickness, length, and layup are studied to explore the effect of diameter on the modes of failure and strength of pressure pulse. 3-D digital image correlation technique is used to capture the full-field deformation and velocities. Dynamic pressure transducers measure the pressure pulses, and that data are used to determine energy released in the collapse. Results show that by changing the radius-to-thickness ratio, very different failure modes are caused in the structure, which has significant effects on the pressure trace and resulting energy released. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Multiscale and Multidisciplinary Modeling, Experiments and Design Springer Journals

Geometric impact on the implosion energy and failure mechanics of carbon composite tubes

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Publisher
Springer Journals
Copyright
Copyright © 2018 by Springer International Publishing AG, part of Springer Nature
Subject
Engineering; Continuum Mechanics and Mechanics of Materials; Characterization and Evaluation of Materials; Mechanical Engineering; Numerical and Computational Physics, Simulation; Mathematical Applications in the Physical Sciences
ISSN
2520-8160
eISSN
2520-8179
D.O.I.
10.1007/s41939-018-0015-y
Publisher site
See Article on Publisher Site

Abstract

A parametric study on the implosion of carbon fiber reinforced epoxy composite tubes is conducted to determine effects of geometric scaling. Experiments are performed in a pressure vessel designed to provide constant hydrostatic pressure through the collapse. Roll-wrapped carbon fiber/epoxy tubes with identical wall thickness, length, and layup are studied to explore the effect of diameter on the modes of failure and strength of pressure pulse. 3-D digital image correlation technique is used to capture the full-field deformation and velocities. Dynamic pressure transducers measure the pressure pulses, and that data are used to determine energy released in the collapse. Results show that by changing the radius-to-thickness ratio, very different failure modes are caused in the structure, which has significant effects on the pressure trace and resulting energy released.

Journal

Multiscale and Multidisciplinary Modeling, Experiments and DesignSpringer Journals

Published: Jun 4, 2018

References

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