Biomimetic laminated basalt fiber-reinforced composite with sinusoidally architected helicoidal structure integrating superior mechanical properties and microwave-transmissibility. (5th January 2023)

• Record Type: Journal Article
• Authors: Han, Qigang; Chen, Shuibin; Wang, Jiahui; Han, Jincheng; Shi, Shaoqian; Li, Rui; Zheng, Wenfang; Li, Yueying; Chen, Nuo; Wei, Rubin; Dong, Bin; Zhai, Wen; Li, Bo; Han, Zhiwu; Ren, Luquan
• Is Part Of: Composites science and technology. Volume 231(2023)
• Publication Date: 2023-01-05
• Subjects: Biomimetic laminated composite -- Basalt fiber -- Sinusoidally architected helicoidal structure -- Mechanical durability -- Microwave-transmissibility; Composite materials -- Periodicals; Composite materials; Fibrous composites; Periodicals; 620.118
• DOI: 10.1016/j.compscitech.2022.109836
• Languages: English
• ISSNs: 0266-3538

Abstract

Abstract: High-efficient microwave-transmissibility, mechanical durability, and lightweight are in significant demand for wireless communication components. Unfortunately, conventional materials can hardly meet the requirements for emerging radio-frequency (RF) devices so far. Herein, inspired by the sinusoidally architected helicoidal structure of mantis shrimp's dactyl club, a biomimetic laminated basalt fiber-reinforced composite (BL-BFRC) is designed and manufactured through a method combining linear helicoidal layup and hot press forming. Remarkably, the flexural strength and flexural modulus of BL-BFRC are 259.71 MPa and 22.61 GPa, which increase by 28.4% and 36.9% over those of conventional BFRC (202.27 MPa and 16.52 GPa). In addition, BL-BFRC exhibits a dielectric constant of 2.2858 and a loss tangent of 1.55 × 10 −3, which are much lower than those of conventional BFRC (3.6459 and 9.73 × 10 −3 ). Accordingly, the microwave-transmissibility increases from 93.53% (conventional BFRC) to 98.34% (BL-BFRC). In fact, the superior mechanical durability of BL-BFRC is mainly attributed to the crack deflection of helicoidal structure and stress dissipation of sinusoidal morphology. And the efficient microwave-transmissibility benefits from dielectric transition effect on non-smooth sinusoidal surface. This work uniquely combines the features of high-efficient microwave-transmissibility and mechanical durability into RF devices and would enable a broad range of wireless communication applications. Graphical abstract: Image 1