Mechanical and dynamic performance of 3D-printed continuous carbon fibre Onyx composites

Article

Nguyen-Van, Vuong, Peng, Chenxi, Tran, Phuong, Wickramasinghe, Sachini, Do, Truong and Ruan, Dong. 2024. "Mechanical and dynamic performance of 3D-printed continuous carbon fibre Onyx composites." Thin-Walled Structures. 201. https://doi.org/10.1016/j.tws.2024.111979
Article Title

Mechanical and dynamic performance of 3D-printed continuous carbon fibre Onyx composites

ERA Journal ID3825
Article CategoryArticle
AuthorsNguyen-Van, Vuong, Peng, Chenxi, Tran, Phuong, Wickramasinghe, Sachini, Do, Truong and Ruan, Dong
Journal TitleThin-Walled Structures
Journal Citation201
Article Number111979
Number of Pages14
Year2024
PublisherElsevier
Place of PublicationUnited Kingdom
ISSN0263-8231
1879-3223
Digital Object Identifier (DOI)https://doi.org/10.1016/j.tws.2024.111979
Web Address (URL)https://www.sciencedirect.com/science/article/abs/pii/S0263823124004221
AbstractThe increasing attention towards 3D-printed fibre-reinforced thermoplastic composite structures is due to their superior characteristics, ability to produce intricate architectures, repeatability, and short lead times. This experimental study aims to investigate the mechanical and dynamic behaviours of 3D-printed composite structures under tensile and impact tests. Different types of samples are designed, including Onyx layers, triangular infill patterns (30 % and 40 % infill density), and continuous carbon fibre layers (two, four, six, and eight layers). Scanning electron microscopy (SEM) and X-ray micro-computed tomography (μCT) analyses are conducted to visualise the morphological characterisation and observe the delamination and damage of the composite structures. The results of the study reveal that the inclusion of carbon fibre reinforcement layers increases the stiffness and tensile strength of the composite structures. Furthermore, the addition of fibre layers in the composite panels provides critical support in damage resistance against impact loading. In contrast, sandwich structures without reinforcement layers are fatally punctured by the impact force, resulting in significant damage on both the impacted and bottom surfaces. The composite sandwich panels with fewer fibre-reinforced layers and lower infill density become softer and absorb impact energy better.
KeywordsCarbon fibre-reinforced composite
Contains Sensitive ContentDoes not contain sensitive content
ANZSRC Field of Research 20204017. Mechanical engineering
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Byline AffiliationsHUTECH University of Technology, Vietnam
University of Melbourne
Royal Melbourne Institute of Technology (RMIT)
Centre for Future Materials
VinUniversity, Viet Nam
Swinburne University of Technology
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