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Outputs (40)

Developing test methods for compression after lightning strikes (2023)
Journal Article
Xu, X., Millen, S. L. J., Lee, J., Abdelal, G., Mitchard, D., Wisnom, M. R., & Murphy, A. (2023). Developing test methods for compression after lightning strikes. Applied Composite Materials, 30(2), 539-556. https://doi.org/10.1007/s10443-022-10100-w

Research into residual strength after lightning strike is increasing within the literature. However, standard test methods for measuring residual compressive strength after lightning strikes do not exist. For the first time, a systematic experimental... Read More about Developing test methods for compression after lightning strikes.

Investigation of fracture process zone development in quasi-isotropic carbon/epoxy laminates using in situ and ex situ X-ray Computed Tomography (2022)
Journal Article
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

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

Improved impact damage resistance of tapered composite laminates using a ply scarfing technique (2022)
Journal Article
Gordon, T., Xu, X., Wisnom, M., Hallett, S., & Kim, B. C. (2023). Improved impact damage resistance of tapered composite laminates using a ply scarfing technique. Composites Part A: Applied Science and Manufacturing, 166, 107391. https://doi.org/10.1016/j.compositesa.2022.107391

This paper presents an experimental investigation into the effect of scarfed ply drops on the low velocity impact response of asymmetrically tapered, multi-directional, carbon/epoxy laminates, in comparison with that of conventional ply drops. Impact... Read More about Improved impact damage resistance of tapered composite laminates using a ply scarfing technique.

Identifying fibre orientations for fracture process zone characterization in scaled centre-notched quasi-isotropic carbon/epoxy laminates with a convolutional neural network (2022)
Journal Article
Xu, X., Abbas, A., & Lee, J. (2022). Identifying fibre orientations for fracture process zone characterization in scaled centre-notched quasi-isotropic carbon/epoxy laminates with a convolutional neural network. Engineering Fracture Mechanics, 274, 108768. https://doi.org/10.1016/j.engfracmech.2022.108768

This paper presents a novel X-ray Computed Tomography (CT) image analysis method to characterize the Fracture Process Zone (FPZ) in scaled centre-notched quasi-isotropic carbon/epoxy laminates. A total of 61 CT images of a small specimen were used to... Read More about Identifying fibre orientations for fracture process zone characterization in scaled centre-notched quasi-isotropic carbon/epoxy laminates with a convolutional neural network.

Rapid prediction of fibre-dominant tensile failure in randomly oriented strands (2022)
Journal Article
Jesus, A., & Xu, X. (2023). Rapid prediction of fibre-dominant tensile failure in randomly oriented strands. Journal of Reinforced Plastics and Composites, 42(5-6), 205-212. https://doi.org/10.1177/07316844221107927

A stochastic morphological modelling framework has been established to predict the tensile behaviour of Randomly Oriented Strands made of ultra-thin Carbon Fibre Reinforced Thermoplastic prepreg tapes. The tape properties from their distributions are... Read More about Rapid prediction of fibre-dominant tensile failure in randomly oriented strands.

The effect of transverse compressive stresses on tensile failure of carbon fibre/epoxy composites (2022)
Journal Article
Wisnom, M. R., Rev, T., Wisnom, M., Xu, X., & Czél, G. (2022). The effect of transverse compressive stresses on tensile failure of carbon fibre/epoxy composites. Composites Part A: Applied Science and Manufacturing, 156, Article 106894. https://doi.org/10.1016/j.compositesa.2022.106894

A novel test configuration has been developed to induce combined stress-states of in-plane longitudinal tension and transverse compression in thin-ply, unidirectional (UD) composite layers. Three different multi-directional laminates have been design... Read More about The effect of transverse compressive stresses on tensile failure of carbon fibre/epoxy composites.

Initial R-curves for translaminar fracture of quasi-isotropic carbon/epoxy laminates from specimens with increasing size (2021)
Journal Article
Xu, X., Sun, X., & Wisnom, M. (2021). Initial R-curves for translaminar fracture of quasi-isotropic carbon/epoxy laminates from specimens with increasing size. Composites Science and Technology, 216, Article 109077. https://doi.org/10.1016/j.compscitech.2021.109077

In this paper, a set of initial R-curves were measured for three different in-plane sizes using scaled Over-height Compact Tension (OCT) specimens and two different stacking sequences. The data reduction scheme was based on a Virtual Crack Closure Te... Read More about Initial R-curves for translaminar fracture of quasi-isotropic carbon/epoxy laminates from specimens with increasing size.