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Investigation of fracture process zone development in quasi-isotropic carbon/epoxy laminates using in situ and ex situ X-ray Computed Tomography

Xu, Xiaodong; Takeda, Shin ichi; Wisnom, Michael R.

Investigation of fracture process zone development in quasi-isotropic carbon/epoxy laminates using in situ and ex situ X-ray Computed Tomography Thumbnail


Authors

Dr Xiaodong Xu Xiaodong.Xu@uwe.ac.uk
Senior Lecturer in Engineering Principles

Shin ichi Takeda

Michael R. Wisnom



Abstract

Trans-laminar fracture toughness is an important property of laminated composites and examining the fracture process zone at the tip of a crack is key to understanding it. To date, little research has been done on in-depth examination of the early fracture process zone development in quasi-isotropic laminates. In this work, detailed in situ X-ray Computed Tomography (CT) analyses enabled continuous examination under loading and better understanding of the entire fracture process zone development. Ex situ CT scanning of an additional hot temperature wet conditioned specimen with dye penetrant was also employed as a comparison to explain the significance of 0° splitting to trans-laminar fracture.

Citation

Xu, X., Takeda, S. I., & Wisnom, M. R. (2023). Investigation of fracture process zone development in quasi-isotropic carbon/epoxy laminates using in situ and ex situ X-ray Computed Tomography. Composites Part A: Applied Science and Manufacturing, 166, Article 107395. https://doi.org/10.1016/j.compositesa.2022.107395

Journal Article Type Article
Acceptance Date Dec 21, 2022
Online Publication Date Dec 24, 2022
Publication Date Mar 1, 2023
Deposit Date Jan 25, 2023
Publicly Available Date Mar 29, 2024
Journal Composites Part A: Applied Science and Manufacturing
Print ISSN 1359-835X
Electronic ISSN 1878-5840
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 166
Article Number 107395
DOI https://doi.org/10.1016/j.compositesa.2022.107395
Keywords A Laminates; B Fracture; B Fracture toughness; D CT analysis
Public URL https://uwe-repository.worktribe.com/output/10267047
Publisher URL https://www.sciencedirect.com/science/article/pii/S1359835X22005760?via%3Dihub

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