Comparative analysis of damage and energy absorption mechanisms in various plain-weave fiber reinforced composites under multi-angle low-velocity impact

IF 5.7 1区工程技术 Q1 ENGINEERING, CIVIL

Thin-Walled Structures Pub Date : 2025-02-01 DOI:10.1016/j.tws.2025.113040

Tiantong Lv , Bingxian Yuan , Yufan Liu , Dengfeng Wang

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引用次数: 0

Abstract

This study investigates the impact resistance and damage mechanisms of plain-weave Carbon, Glass, Kevlar, and Basalt fiber-reinforced polymers (FRPs) under multi-angle low-velocity impacts (LVIs). Utilizing a novel multi-angle impact fixture designed to ASTM D7136 standards and non-destructive ultrasonic imaging, we experimentally evaluated LVI behavior at various oblique angles. Numerical simulations incorporating a 3D Hashin failure model and cohesive zone modeling provided detailed insights into damage and energy absorption mechanisms. Results reveal significant differences in crack patterns, internal damage, and mechanical responses across FRPs as impact angles shift from normal to oblique. The analysis indicates that normal and bending properties dominate at higher angles, while tangential properties become crucial at lower angles. Statistical analysis identified correlations between impact angle, material properties, and LVI responses. Impact angle significantly affects peak impact force, maximum deformation, impact duration, and energy absorption, with the most pronounced effect on impact duration. Interlaminar material properties primarily influence peak impact force and energy absorption, whereas in-plane material properties decisively impact all four responses. This comprehensive analysis enhances the understanding of how fiber type and impact angle affect FRP behavior under more practical impact conditions.

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多角度低速冲击下各种平纹纤维增强复合材料的损伤和能量吸收机制对比分析

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来源期刊

Thin-Walled Structures 工程技术-工程：土木

CiteScore

9.60

自引率

20.30%

发文量

801

审稿时长

66 days

期刊介绍： Thin-walled structures comprises an important and growing proportion of engineering construction with areas of application becoming increasingly diverse, ranging from aircraft, bridges, ships and oil rigs to storage vessels, industrial buildings and warehouses. Many factors, including cost and weight economy, new materials and processes and the growth of powerful methods of analysis have contributed to this growth, and led to the need for a journal which concentrates specifically on structures in which problems arise due to the thinness of the walls. This field includes cold– formed sections, plate and shell structures, reinforced plastics structures and aluminium structures, and is of importance in many branches of engineering. The primary criterion for consideration of papers in Thin–Walled Structures is that they must be concerned with thin–walled structures or the basic problems inherent in thin–walled structures. Provided this criterion is satisfied no restriction is placed on the type of construction, material or field of application. Papers on theory, experiment, design, etc., are published and it is expected that many papers will contain aspects of all three.