复合材料层合板在低速冲击载荷下的损伤预测

IF 2.3 3区材料科学 Q3 MATERIALS SCIENCE, COMPOSITES

Advanced Composite Materials Pub Date : 2022-07-24 DOI:10.1080/09243046.2022.2076021

Dong-Kuk Choi, S. Byun, Gyeong-Han Lee, Soo-yong Lee, J. Roh, Cheol-Joo Lee

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引用次数: 1

摘要

为了预测复合材料层合板在低速冲击载荷下的性能，进行了实验和数值研究。为了有效地进行模拟，建立了基于壳单元的数值模型。采用基于应变的失效理论，利用用户自定义的子程序对层合板的损伤面积进行预测。为验证低速冲击的分析结果，进行了落锤冲击试验。使用超声c扫描检查损伤区域，并检查了三种类型的厚复合层压板。测量了撞击器与目标接触前后的速度。最后，利用失效理论对所建立的数值模型进行了验证，该模型能够较好地预测所选三种复合材料层合板的冲击损伤。

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Damage prediction of thick composite laminates subjected to low-velocity impact loads

Experimental and numerical studies have been carried out to predict the behavior of composite laminates under low-velocity impact loads. Numerical models were built based on shell elements in order to simulate it efficiently. A strain-based failure theory was employed to predict the damaged area of laminates using a user-defined subroutine. Drop-weight impact tests were performed for verifying the analysis results of the low-velocity impact. The damaged areas were inspected using ultrasonic C-scans, and three types of thick composite laminates were examined. The impactor velocity was measured at time before and after contact with the target. Finally, the proposed numerical model with the failure theory was verified in that it well predicted the impact damage of the three composite laminates chosen for this study.

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来源期刊

Advanced Composite Materials 工程技术-材料科学：复合

CiteScore

5.00

自引率

20.70%

发文量

审稿时长

3 months

期刊介绍： "Advanced Composite Materials (ACM), a bi-monthly publication of the Japan Society for Composite Materials and the Korean Society for Composite Materials, provides an international forum for researchers, manufacturers and designers who are working in the field of composite materials and their structures. Issues contain articles on all aspects of current scientific and technological progress in this interdisciplinary field. The topics of interest are physical, chemical, mechanical and other properties of advanced composites as well as their constituent materials; experimental and theoretical studies relating microscopic to macroscopic behavior; testing and evaluation with emphasis on environmental effects and reliability; novel techniques of fabricating various types of composites and of forming structural components utilizing these materials; design and analysis for specific applications. Advanced Composite Materials publishes refereed original research papers, review papers, technical papers and short notes as well as some translated papers originally published in the Journal of the Japan Society for Composite Materials. Issues also contain news items such as information on new materials and their processing."