Novel infrared-terahertz fusion 3D non-invasive imaging of plant fibre-reinforced polymer composites

Hu, Jue; Zhang, Hai; Сфарра, Стефано; Santulli, Carlo; Tian, Guohui; Maldague, Xavier

doi:10.1016/j.compscitech.2022.109526

Cited by 17 publications

(5 citation statements)

References 27 publications

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“…GoogLeNet has used an inception module that has multiple kernels of different sizes for convolution to ensure more efficient computation [96]. A couple of studies that have been published recently have focused on the fusion of NDT methods through neural networks to inspect various materials, from wooden cultural heritages to common composites [97][98][99][100][101][102]. Here, the text will not give the details of these approaches.…”

Section: Neural Networkmentioning

confidence: 99%

“…In an example fusion of terahertz and thermal imaging, the larger SNR values contributing to the achievement of suppressing the background noise showed that the salient features were extracted successfully [102]. Another interesting quantitative assessment with the SNR demonstrated that although the fusion provided a higher contrast and resolution, the SNR value of the fused image was relatively lower [99]. This might be attributed to calculating the average SNR from the SNR values of different depths.…”

Section: Signal-to-noise Ratio (Snr)mentioning

confidence: 99%

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A State-of-the-Art Review of Non-Destructive Testing Image Fusion and Critical Insights on the Inspection of Aerospace Composites towards Sustainable Maintenance Repair Operations

2023

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Non-destructive testing (NDT) of aerospace structures has gained significant interest, given its non-destructive and economic inspection nature enabling future sustainable aerospace maintenance repair operations (MROs). NDT has been applied to many different domains, and there is a number of such methods having their individual sensor technology characteristics, working principles, pros and cons. Increasingly, NDT approaches have been investigated alongside the use of data fusion with the aim of combining sensing information for improved inspection performance and more informative structural health condition outcomes for the relevant structure. Within this context, image fusion has been a particular focus. This review paper aims to provide a comprehensive survey of the recent progress and development trends in NDT-based image fusion. A particular aspect included in this work is providing critical insights on the reliable inspection of aerospace composites, given the weight-saving potential and superior mechanical properties of composites for use in aerospace structures and support for airworthiness. As the integration of NDT approaches for composite materials is rather limited in the current literature, some examples from non-composite materials are also presented as a means of providing insights into the fusion potential.

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Section: Neural Networkmentioning

confidence: 99%

Section: Signal-to-noise Ratio (Snr)mentioning

confidence: 99%

A State-of-the-Art Review of Non-Destructive Testing Image Fusion and Critical Insights on the Inspection of Aerospace Composites towards Sustainable Maintenance Repair Operations

2023

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“…In the feature fusion stage, an unsupervised deep residual network is employed, of which the details on the network layers and architecture can be found in [31], and thus are not reiterated. In short, the network is modeled as an encoder-decoder architecture.…”

Section: Infrared-terahertz Fusion Imagingmentioning

confidence: 99%

Non-destructive imaging of marqueteries based on a new infrared-terahertz fusion technique

Zhang

Сфарра

et al. 2022

Infrared Physics & Technology

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“…Plant fiber has the advantages of renewable, degradable, lightweight, low price, [1][2][3] and similar tensile stiffness to synthetic fiber. 4,5 Compared with glass fiber and carbon fiber, plant fiber reinforced composites are green and environmentally friendly. 6,7 Therefore, plant fiber instead of synthetic fiber to prepare composites has received wide attention from all walks of life.…”

Section: Introductionmentioning

confidence: 99%

Study on flame retardant modified ramie reinforced composites and their mechanical properties

Liu

Wang

et al. 2023

Journal of Reinforced Plastics and Composites

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Ramie composites have been widely used in automobiles, daily necessities, aerospace, ships, cruise lines, etc., but their flame retardant properties are relatively poor, which is difficult to meet the flame retardant performance requirements of composites for rail transit. In order to improve the properties of ramie reinforced composites, flame retardant treatment is necessary. In this paper, phosphorus flame retardant phytic acid (PA) was used to modify ramie fabric, and then the composites were prepared. The flame retardancy and mechanical properties of ramie reinforced composites were investigated. It was found that the flame retardancy of ramie composites was improved after flame retardant modification with phytic acid, but the mechanical properties were decreased. In order to improve the mechanical properties of PA ramie composites, two kinds of layered PA ramie/glass fiber hybrid composites were prepared by replacing part of ramie with glass fiber. The results show that the addition of glass fiber can improve the mechanical properties and flame retardancy of composites.

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Novel infrared-terahertz fusion 3D non-invasive imaging of plant fibre-reinforced polymer composites

Cited by 17 publications

References 27 publications

A State-of-the-Art Review of Non-Destructive Testing Image Fusion and Critical Insights on the Inspection of Aerospace Composites towards Sustainable Maintenance Repair Operations

A State-of-the-Art Review of Non-Destructive Testing Image Fusion and Critical Insights on the Inspection of Aerospace Composites towards Sustainable Maintenance Repair Operations

Non-destructive imaging of marqueteries based on a new infrared-terahertz fusion technique

Study on flame retardant modified ramie reinforced composites and their mechanical properties

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