Numerical Study of the Influence of the Structural Parameters on the Stress Dissipation of 3D Orthogonal Woven Composites under Low-Velocity Impact

被引:1
|
作者
Xu, Wang [1 ]
Zikry, Mohammed [2 ]
Seyam, Abdel-Fattah M. [1 ]
机构
[1] North Carolina State Univ, Wilson Coll Text, Raleigh, NC 27695 USA
[2] North Carolina State Univ, Dept Mech & Aerosp Engn, Raleigh, NC 27695 USA
关键词
finite element analysis (FEA); composite materials; low-velocity impact; stress distribution; simulation; PROGRESSIVE DAMAGE; MECHANICAL-PROPERTIES; ENERGY-ABSORPTION; BEHAVIOR; YARN;
D O I
10.3390/technologies12040049
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
This study investigates the effects of the number of layers, x-yarn (weft) density, and z-yarn (binder) path on the mechanical behavior of E-glass 3D orthogonal woven (3DOW) composites during low-velocity impacts. Meso-level finite element (FE) models were developed and validated for 3DOW composites with different yarn densities and z-yarn paths, providing analyses of stress distribution within reinforcement fibers and matrix, energy absorption, and failure time. Our findings revealed that lower x-yarn densities led to accumulations of stress concentrations. Furthermore, changing the z-yarn path, such as transitioning from plain weaves to twill or basket weaves had a noticeable impact on stress distributions. The research highlights the significance of designing more resilient 3DOW composites for impact applications by choosing appropriate parameters in weaving composite designs.
引用
收藏
页数:27
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