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  • Hierarchical CNTs grown multifunctional 3D woven composite beams for aerospace applications

Turgut, Firat, Koycu, Arda, Neje, Ghanshyam, Behera, Bijoy, Ozden Yenigun, Elif and Cebeci, Hulya, 2020, Book Section, Hierarchical CNTs grown multifunctional 3D woven composite beams for aerospace applications AIAA Scitech 2020 Forum. AIAA. ISBN 978-1-62410-595-1

Abstract or Description:

3D weaving is an innovative approach to eliminate one of the most probable failures as delamination in composites. In this study, two novel approaches of 3D weaving and growing aligned carbon nanotubes (CNTs) directly onto 3D woven fabrics for creating multifunctional properties is performed. First, 3D woven I-beam shaped fabrics were manufactured by a modified weaving loom using glass fibers and followed by growing CNTs onto these I-beams through a chemical vapor deposition (CVD). These 3D woven I-beams were then impregnated with epoxy resin creating mechanically robust and electrically conductive structural composites without significant weight penalty. The morphological analysis revealed that vertically aligned fuzzy CNTs are successfully grown approximately at 7.5 micrometer long onto 3D woven I-beam glass fabrics. Electrical conductivities of glass fibers were increased in six orders of magnitude after CNTs growth. A reduction in compressive strength (26%) was observed due to tensile strength reduction of glass fibers after CNTs growth; however, flexural properties were preserved.

Subjects: Other > Engineering > H400 Aerospace Engineering > H490 Aerospace Engineering not elsewhere classified
School or Centre: School of Design
Funders: Scientific Research Project Division of Istanbul Technical University, for funding MGA-2017-40738 General Scientific Project
Identification Number or DOI: https://doi.org/10.2514/6.2020-0153
Additional Information:

Copyright © 2020 by Kaan Yildiz, Beyza Bozali, Hulya Cebeci and Elif Ozden Yenigun. Published by the American Institute of Aeronautics and Astronautics, Inc. with permission.

Date Deposited: 13 Jan 2020 16:23
Last Modified: 13 Jan 2020 16:40
URI: http://researchonline.rca.ac.uk/id/eprint/4247
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