Low-velocity impact resistance of the Z-pin reinforced carbon fiber composite laminates

IF 4.8 2区材料科学 Q2 MATERIALS SCIENCE, COMPOSITES

Polymer Composites Pub Date : 2024-09-15 DOI:10.1002/pc.29066

Wenyun Wu, Zhangxin Guo, Haolin Shi, Weijing Niu, Gin Boay Chai, Yongcun Li

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Abstract

A voronoi user material subroutine (VUMAT) was developed using the three-dimensional Hashin damage criterion and exponential nonlinear damage evolution method. An interlayer damage model based on the quadratic nominal stress (QUADS) criterion and B-K fracture criterion was introduced, and a finite element model of Z-pin reinforced composite laminates under low-velocity impact was established. The low-velocity impact behavior of Z-pin reinforced composite laminates with different impact velocities (0.6 m/s, 0.4 m/s, and 0.3 m/s), different layup forms ([0°/90°]₄ and [0°/45°/90°/−45°]₂), and different Z-pin spacing (4 mm, 8 mm, and 16 mm) was studied using ABAQUS. The results indicate that different layup forms have little effect on the low-velocity impact behavior of Z-pin reinforced composite laminates. The Z-pin spacing has a significant influence on the low-velocity impact behavior of Z-pin reinforced composite laminates. When the impact velocity is 0.4 m/s, the specific energy absorption of composite laminates with Z-pin spacing of 16 mm is 85.93% and 87.7% lower than that of composite laminates with Z-pin spacing of 4 mm and 8 mm. As the Z-pin spacing decreases (Z-pin density increases), the impact resistance of Z-pin reinforced composite laminates first increases and then decreases.

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Z 形针增强碳纤维复合材料层压板的低速抗冲击性能

利用三维 Hashin 损伤准则和指数非线性损伤演化方法开发了 Voronoi 用户材料子程序（VUMAT）。引入了基于二次名义应力（QUADS）准则和 B-K 断裂准则的层间损伤模型，并建立了 Z 销钉增强复合材料层压板在低速冲击下的有限元模型。利用 ABAQUS 对不同冲击速度（0.6 m/s、0.4 m/s 和 0.3 m/s）、不同铺层形式（[0°/90°]4 和 [0°/45°/90°/-45°]2）和不同 Z 销间距（4 mm、8 mm 和 16 mm）的 Z 销增强复合材料层压板的低速冲击行为进行了研究。结果表明，不同的铺层形式对 Z 针增强复合材料层压板的低速冲击行为影响不大。Z 销钉间距对 Z 销钉增强复合材料层压板的低速冲击行为有显著影响。当冲击速度为 0.4 m/s 时，Z-针间距为 16 mm 的复合材料层压板的比能量吸收比 Z-针间距为 4 mm 和 8 mm 的复合材料层压板分别低 85.93% 和 87.7%。随着 Z 销钉间距的减小（Z 销钉密度的增加），Z 销钉增强复合层压板的抗冲击性能先增加后减小。

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来源期刊

Polymer Composites 工程技术-材料科学：复合

CiteScore

7.50

自引率

32.70%

发文量

673

审稿时长

3.1 months

期刊介绍： Polymer Composites is the engineering and scientific journal serving the fields of reinforced plastics and polymer composites including research, production, processing, and applications. PC brings you the details of developments in this rapidly expanding area of technology long before they are commercial realities.