| POLYMERS AND POLYMER MATRIX COMPOSITES |
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| Review of Nondestructive Testing Methods for Honeycomb Sandwich Structures |
| CHEN Hanqing1, XU Zhiyuan1,2,*, QU Zhongyi1, ZENG Hui1, ZHU Changchun1
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1 School of Mechanical Engineering and Mechanics, Xiangtan University, Xiangtan 411105, Hunan, China
2 School of Measuring and Optical Engineering, Nanchang Hangkong University, Nanchang 330063, China |
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Abstract Honeycomb sandwich structure is a laminated composite material with excellent mechanical properties, which has been widely used in aerospace, construction and automobile industries. Due to the complexity of its structure and service conditions, honeycomb sandwich structures are prone to various defects such as skin-core interface debonding, skin delamination, inclusions, core lattice deformation, collapse, nodefracture, water accumulation, etc., during the manufacturing and service stages. Therefore, it is of great significance to carry out research on nondestructive testing (NDT) methods for honeycomb sandwich structures. In this paper, the NDT methods for honeycomb sandwich structures reported in domestic and international literature are reviewed, and the principles, application advantages and limitations of these methods are analyzed. Afterwards, the hybrid testing methods that combine multiple single methods for detecting all defects in the honeycomb sandwich structures are briefly outlined, and it is pointed out that the application of intelligent algorithms enables the quantification and classification of potential defects in honeycomb sandwich structures. Finally, a brief conclusion regarding the research status and application trend of the NDT methods for honeycomb sandwich structures is given.
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Published: 25 May 2024
Online: 2024-05-28
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| Fund:Natural Science Foundation of Hunan Province (2022JJ30569, 2022JJ50134) and Research Foundation of Education Bureau of Hunan Province (22B0137). |
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