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3D printed carbon-fibre reinforced composite lattice structures with good thermal-dimensional stability

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Title: 3D printed carbon-fibre reinforced composite lattice structures with good thermal-dimensional stability
Authors: Chen, Y
Ye, L
Kinloch, A
Zhang YX
Item Type: Journal Article
Abstract: A good dimensional stability is a crucial property of any base-platform structure for the attachment of high precision optical or mechanical devices, such as imaging equipment, satellite antennas, thermal sensors, etc., where the surrounding temperature may fluctuate substantially. The present study demonstrates how such a base-platform in a form of a dual-composite, planar-lattice structure can be designed and rapidly, and conveniently, manufactured using 3D printing via fused filament fabrication (FFF). Specifically, the planarlattice consists of a central cross-lattice manufactured using a continuous carbon-fibre reinforced polyamide (CCF/PA) composite with four interlocking outer-strips manufactured using a short carbon-fibre reinforced polyamide (SCF/PA) composite. Numerical finite-element analyses of the planar-lattices are developed, and validated by experimental results, with respect to their thermal-deformation behaviour. This numerical analysis is then used to study the effects of various types of fibre architecture for the composites that might be used to manufacture the planar-lattice. The results demonstrate, for the first time, the ability of 3D printing, using FFF, to manufacture base-platform structures which use dual-composite materials, based upon carbonfibre reinforced polyamide materials, in order to achieve a very good thermal-dimensional stability.
Issue Date: 18-Aug-2022
Date of Acceptance: 19-Jun-2022
URI: http://hdl.handle.net/10044/1/97846
DOI: 10.1016/j.compscitech.2022.109599
ISSN: 0266-3538
Publisher: Elsevier
Journal / Book Title: Composites Science and Technology
Volume: 227
Copyright Statement: © Elsevier Ltd. All rights reserved. This manuscript is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International Licence http://creativecommons.org/licenses/by-nc-nd/4.0/
Keywords: Science & Technology
Technology
Materials Science, Composites
Materials Science
Thermal -dimensional stable structures
3D printing
CF
PA composites
Finite -element analysis
Coefficient of thermal expansion (CTE)
Fused filament fabrication (FFF)
EXPANSION
DESIGN
Materials
09 Engineering
Publication Status: Published
Article Number: ARTN 109599
Online Publication Date: 2022-06-25
Appears in Collections:Mechanical Engineering
Faculty of Engineering



This item is licensed under a Creative Commons License Creative Commons