A carbon fiber composite corrugated resonator metamaterial with excellent sound absorption and mechanical strength

IF 6.3 2区材料科学 Q1 MATERIALS SCIENCE, COMPOSITES

Composite Structures Pub Date : 2025-03-20 DOI:10.1016/j.compstruct.2025.119115

Qi Liu , Jin-Shui Yang , Yuan-Yuan Tang , Yao-Yao Xu , Hao Han , Yong-Le Fan , Shuang Li , Lin-Zhi Wu

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引用次数: 0

Abstract

To achieve low-frequency broadband sound absorption and enhanced mechanical strength, this study proposes a novel carbon fiber composite corrugated resonator metamaterial (CCRM). The CCRM is designed based on principle of the Helmholtz Resonator (HR) and fabricated by using computer numerical control (CNC) cutting technology. The sound absorption coefficient reaches up to 0.9 in the frequency range of 500–1000 Hz. The absorbed wavelength is 13 times the thickness of the structure. Experimental, theoretical, and numerical analyses confirm that the broadband absorption is due to the parallel coupling of the resonators. Additionally, uniaxial compression tests demonstrate the CCRM’s superior specific stiffness, specific strength, and sound absorption-to-thickness ratio, which is highlighting the mechanical robustness. By revealing the dependences of sound absorption performance on the geometric parameters and arrangement of the HR structures, this study provides a foundational exploration for the development of new multifunctional acoustic metamaterials. The optimized design of CCRM shows great potential for applications in complex engineering environments such as aerospace, railways, and automotive industries.

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来源期刊

Composite Structures 工程技术-材料科学：复合

CiteScore

12.00

自引率

12.70%

发文量

1246

审稿时长

78 days

期刊介绍： The past few decades have seen outstanding advances in the use of composite materials in structural applications. There can be little doubt that, within engineering circles, composites have revolutionised traditional design concepts and made possible an unparalleled range of new and exciting possibilities as viable materials for construction. Composite Structures, an International Journal, disseminates knowledge between users, manufacturers, designers and researchers involved in structures or structural components manufactured using composite materials. The journal publishes papers which contribute to knowledge in the use of composite materials in engineering structures. Papers deal with design, research and development studies, experimental investigations, theoretical analysis and fabrication techniques relevant to the application of composites in load-bearing components for assemblies, ranging from individual components such as plates and shells to complete composite structures.