Advances, limitations and prospects of nondestructive testing and evaluation of thick composites and sandwich structures: A state-of-the-art review

Nsengiyumva, Walter; Zhong, Shuncong; Lin, Jiewen; Zhang, Qiukun; Zhong, Jianfeng; Huang, Yuexin

doi:10.1016/j.compstruct.2020.112951

Cited by 179 publications

(87 citation statements)

References 412 publications

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“…In order to obtain reliable results, the coupling between the inspected material and the transducers has to be carefully realized. Ideally, the coupling medium is isotropic and indefinitely deformable [ 9 ]. Fluids, such as water, oil or air are therefore suitable.…”

Section: Waves Methodsmentioning

confidence: 99%

“…Further, other NDTs unable to quantify the damage severity, such as the tomography, will not be addressed. The reader is referred to [ 9 ] for an exhaustive and recent review. Differently from the work [ 9 ] and other reviews on the same topic, e.g., [ 10 , 11 ], the main objective of the present paper is to analyze the damage indexes related to each method and to point out their significance with respect to the residual mechanical performances.…”

Section: Introductionmentioning

confidence: 99%

“…The reader is referred to [ 9 ] for an exhaustive and recent review. Differently from the work [ 9 ] and other reviews on the same topic, e.g., [ 10 , 11 ], the main objective of the present paper is to analyze the damage indexes related to each method and to point out their significance with respect to the residual mechanical performances. Ideally, damage indexes in composites inspection should be able to characterize the local material condition, thus identifying the damage severity, while accounting for the directional dependency of composites.…”

Section: Introductionmentioning

confidence: 99%

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Residual Properties in Damaged Laminated Composites through Nondestructive Testing: A Review

et al. 2021

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The development of damage tolerance strategies in the design of composite structures constitutes a major challenge for the widespread application of composite materials. Damage tolerance approaches require a proper combination of material behavior description and nondestructive techniques. In contrast to metals, strength degradation approaches, i.e., the residual strength in presence of cracks, are not straightforwardly enforceable in composites. The nonhomogeneous nature of such materials gives rise to several failure mechanisms and, therefore, the definition of an ultimate load carrying capacity is ambiguous. Nondestructive techniques are thus increasingly required, where the damage severity is quantified not only in terms of damage extension, but also in terms of material response of the damaged region. Based on different approaches, many nondestructive techniques have been proposed in the literature, which are able to provide a quantitative description of the material state. In the present paper, a review of such nondestructive techniques for laminated composites is presented. The main objective is to analyze the damage indexes related to each method and to point out their significance with respect to the residual mechanical performances, as a result of the working principle of each retained technique. A possible guide for future research on this subject is thus outlined.

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Section: Waves Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Residual Properties in Damaged Laminated Composites through Nondestructive Testing: A Review

et al. 2021

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“…Several research studies demonstrated that different defects and damage phenomena may arise either during production or in-service loading, leading to possible failure of these thin and layered structures [5,6,9]. A suitable ND control approach is the critical aspect for component inspection to certain integrity assessment [10]. Pulsed thermography (PT) represents a no-contact and full-field ND technique, widely used for the industrial controls of large composite surfaces due to wide detection area, fast and relatively simple detection [11,12].…”

Section: Introductionmentioning

confidence: 99%

Application of Pulsed Thermography and Post-processing Techniques for CFRP Industrial Components

Panella

Pirinu

2021

J Nondestruct Eval

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Several studies demonstrate the effectiveness of pulsed thermography for detection and visualization of sub-superficial flaws in composites. Continuous improvement of thermal data manipulation makes active thermography an attractive and powerful inspection method for industrial process control and maintenance aims. Therefore, temperature image-processing is the major ongoing challenge in the thermographic research field. However, the particular interest for thermographic inspections is to be more addressed to its simple and relatively fast industrial application; an appropriate image processing tool should be implemented and verified on industrial components, containing manufacturing and in-service defects. In the proposed research, well-established and previously proposed methods were analysed and compared for different defect typology inside three CFRP components. The main goal is not solely focused on establishing the suitable data processing approach, providing detection limits of processed data in terms of damage type, size and distribution. The aim of proposed work is to present detailed examples of thermal imaging methods applied on similar critical defects, evaluating different results among methods in terms of defects mapping capabilities and Tanimoto evaluation criterion, coupled also with the signal-to-noise ratio as assessment of defect detectability.

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“…as well as by various embedded sensors in smart structures [ 17 ]. An overview of defects and damage detectability in sandwich structures can be found e.g., in the review paper of Nsengiyumva et al [ 18 ]. However, the above-mentioned techniques are usually demanding in setup preparation and are complex in operation as well as costly.…”

Section: Introductionmentioning

confidence: 99%

Assessment of Internal Damage in Sandwich Structures by Post-Processing of Mode Shapes Using Curvelet Transform

Katunin

Ručevskis

2021

Materials

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Identification and quantification of structural damage is one of the crucial aspects of proper maintenance of mechanical and civil structures, which is directly related to their integrity and safety. The paper presents a novel approach for detecting various types of damage in sandwich structures by processing the mode shapes using a hybrid algorithm based on the curvelet transform and the standardized damage index concept. The proposed approach uses the properties of directional selectivity, absence of the boundary effect, typical of such a class of transforms, and excellent filtration capabilities of the curvelet transform as well as the classification hypothesis in the standardized damage index, which allows the exclusion of irrelevant information and emphasizes proper damage location and shape. The proposed hybrid algorithm allowed to successfully identify a subsurface core damage in sandwich structures, such as local lack of a core or its debonding from facings. The performed quantification study aimed to evaluate the correctness of identified damage shape confirmed the validity and accuracy of the proposed algorithm not only for the damage detection and localization but also for the estimation of the size of structural damage.

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Advances, limitations and prospects of nondestructive testing and evaluation of thick composites and sandwich structures: A state-of-the-art review

Cited by 179 publications

References 412 publications

Residual Properties in Damaged Laminated Composites through Nondestructive Testing: A Review

Residual Properties in Damaged Laminated Composites through Nondestructive Testing: A Review

Application of Pulsed Thermography and Post-processing Techniques for CFRP Industrial Components

Assessment of Internal Damage in Sandwich Structures by Post-Processing of Mode Shapes Using Curvelet Transform

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