Numerical Simulation of the Damage Characteristics of Carbon fiber-reinforced Aluminum Laminates under Hypervelocity Impact Based on the FE-SPH Adaptive Method

IF 2.3 4区材料科学 Q3 MATERIALS SCIENCE, COMPOSITES

Applied Composite Materials Pub Date : 2025-01-16 DOI:10.1007/s10443-024-10303-3

Renjie Cao, Jianyu Chen, Xianzhao Song, Dianlei Feng, Chong Peng, Zhiqian Li

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引用次数: 0

Abstract

Carbon fiber-reinforced aluminum laminate (CARALL) is a composite material made of carbon fiber-reinforced plastics (CFRP) and aluminum plates bonded by adhesive. It is widely used in the aerospace industry because of its high strength. In this study, the damage characteristics of carbon fiber-reinforced aluminum laminates under hypervelocity impact(HVI) is investigated using the finite element smoothed-particle hydrodynamics (FE-SPH) adaptive method. Firstly, the simulations of the aluminum projectile impacting the CFRP laminate and the aluminum plate at hypervelocity are carried out based on the FE-SPH adaptive method, and the numerical results are in good agreement with the experimental results, which verifies the reliability of the numerical model of the CFRP laminate. Afterwards, the damage characteristics of CARALL under different initial physical conditions including impact velocities, bonding sequences, and projectile shapes are investigated. Numerical results obtained from the FE-SPH adaptive method indicate that CFRP laminates in carbon fiber-reinforced aluminum laminates exhibit “X” shaped penetration channels at impact velocities ranging from 3 km/s to 6 km/s. Under the same impact conditions, the bonding sequence (CARALL with Al/CFRP/Al) shows the best protection performance. The sharp nose projectile causes the most significant damage to CARALL, while the spherical projectile causes the least under hypervelocity impact.

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基于FE-SPH自适应方法的超高速冲击下碳纤维增强铝层合板损伤特性数值模拟

碳纤维增强铝层压板（CARALL）是由碳纤维增强塑料（CFRP）与铝板通过粘合剂粘合而成的复合材料。它因其高强度而广泛应用于航空航天工业。采用有限元光滑粒子流体力学（FE-SPH）自适应方法，研究了碳纤维增强铝层合板在超高速碰撞（HVI）下的损伤特性。首先，基于FE-SPH自适应方法进行了铝弹对CFRP复合材料和铝板的超高速撞击仿真，数值结果与实验结果吻合较好，验证了CFRP复合材料数值模型的可靠性。然后，研究了不同初始物理条件下（包括冲击速度、粘接顺序和弹丸形状）CARALL的损伤特性。FE-SPH自适应方法的数值计算结果表明，碳纤维增强铝层合板中的CFRP层合板在3 ~ 6 km/s的冲击速度范围内呈现“X”形侵彻通道。在相同的冲击条件下，Al/CFRP/Al粘结顺序（CARALL）的防护性能最好。在超高速冲击下，尖头弹对CARALL的损伤最大，而球形弹对CARALL的损伤最小。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

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

CiteScore

4.20

自引率

4.30%

发文量

审稿时长

1.6 months

期刊介绍： Applied Composite Materials is an international journal dedicated to the publication of original full-length papers, review articles and short communications of the highest quality that advance the development and application of engineering composite materials. Its articles identify problems that limit the performance and reliability of the composite material and composite part; and propose solutions that lead to innovation in design and the successful exploitation and commercialization of composite materials across the widest spectrum of engineering uses. The main focus is on the quantitative descriptions of material systems and processing routes. Coverage includes management of time-dependent changes in microscopic and macroscopic structure and its exploitation from the material''s conception through to its eventual obsolescence.