Synergistic strengthening mechanism of bio-helical unidirectional-basalt/weave-carbon fiber hybrid composite laminates subjected to quasi-static penetration

IF 5 1区工程技术 Q1 ENGINEERING, AEROSPACE Aerospace Science and Technology Pub Date : 2024-08-10 DOI:10.1016/j.ast.2024.109475

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Abstract

Both bio-helical toughening and fiber hybridization provide significant strengthening effects on the penetration properties of composite, and their combination may lead to even greater breakthroughs. Hence, this study explores the synergistic strengthening mechanism of bio-helical unidirectional-basalt fiber composite (BFRP) and weave-carbon fiber composite (CFRP) hybrid composite laminates (HFRP) subjected to penetration load. Three kinds of HFRP are designed and fabricated, and the quasi-static penetration tests and finite element simulations are conducted to evaluate the mechanical properties. Results show that the bio-helical HFRP samples present a significant improvement in anti-penetration property and energy-absorption as compared to other traditional samples. The penetration behaviors of each laminate present a good consistency between experiment and simulation. It is indicated that as the helical angle θ increases, the strengthening effect gradually increases, but when θ continues to increase, it tends to be stable. The penetration failure mechanism and energy-absorbing mechanism are analyzed by experiment and simulation. Finally, it is revealed that bio-helical toughening with hybrid effect from weave-CFRP can form a synergistic strengthening mechanism. This study provides an important reference for the anti-penetration design of aerospace composite with multi-mechanism cooperation.

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生物螺旋单向-沥青/编织-碳纤维混合复合材料层压板在准静态渗透作用下的协同强化机制

生物螺旋增韧和纤维杂化对复合材料的渗透性能都有显著的增强作用，两者的结合可能会带来更大的突破。因此，本研究探讨了生物螺旋单向-钴纤维复合材料（BFRP）和编织-碳纤维复合材料（CFRP）混合复合材料层压板（HFRP）在承受渗透载荷时的协同增强机理。设计和制造了三种 HFRP，并进行了准静态渗透试验和有限元模拟，以评估其力学性能。结果表明，与其他传统样品相比，生物螺旋 HFRP 样品在抗穿透性能和能量吸收方面有显著改善。每种层压板的穿透行为在实验和模拟之间呈现出良好的一致性。实验表明，随着螺旋角θ的增大，强化效果逐渐增强，但当θ继续增大时，强化效果趋于稳定。通过实验和模拟分析了穿透破坏机理和能量吸收机理。最后发现，生物螺旋增韧与编织物-CFRP 的混合效应可形成一种协同强化机制。该研究为多机制协同的航空航天复合材料防渗透设计提供了重要参考。

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来源期刊

Aerospace Science and Technology 工程技术-工程：宇航

CiteScore

10.30

自引率

28.60%

发文量

654

审稿时长

54 days

期刊介绍： Aerospace Science and Technology publishes articles of outstanding scientific quality. Each article is reviewed by two referees. The journal welcomes papers from a wide range of countries. This journal publishes original papers, review articles and short communications related to all fields of aerospace research, fundamental and applied, potential applications of which are clearly related to: • The design and the manufacture of aircraft, helicopters, missiles, launchers and satellites • The control of their environment • The study of various systems they are involved in, as supports or as targets. Authors are invited to submit papers on new advances in the following topics to aerospace applications: • Fluid dynamics • Energetics and propulsion • Materials and structures • Flight mechanics • Navigation, guidance and control • Acoustics • Optics • Electromagnetism and radar • Signal and image processing • Information processing • Data fusion • Decision aid • Human behaviour • Robotics and intelligent systems • Complex system engineering. Etc.