Finite element analysis of 2D/3D fabric architecture on ballistic performance of armor-grade panel

doi:10.19936/j.cnki.2096-8000.20251028.007

Abstract

Abstract: In comparison with the common two-dimensional (2D) fabric reinforced composite panel, the three-dimensional (3D) angle-interlock fabric possesses the binding warp yarns through the thickness direction, which not only exhibits obvious better interlayer delamination resistance, but also displayed excellent mouldability for the curved surface, which can be applied for complex doubly-curved shapes without cutting. However, it is still not fully understood that the mechanisms of different fibers assembly structures of fabrics on ballistic energy absorption of composite target plates. In this study, several 3D and 2D fabrics with the same areal weight and weave density, but with different weaves were manufactured and processed into the laminated panels. Ballistic tests and finite element (FE) simulation are used for investigation. Experimental results show that for a given areal weight of fabric and weave density of yarns, the angle-interlock fabric (TW₄) displayed similar energy absorption as the four-layer twill fabric (TW₄), but lower than that of the four-layer plain fabric (PW₄) with the same yarn count. Fabric laminated panel exhibited the same trend. FE results show that in the 3D angle-interlock fabric, the stress wave velocity is faster in the straight warp and weft yarns in comparison with the 2D fabric. The binding warp yarns in the 3D angle-interlock fabricare prone to failure earlier due to even higher crimp ratio, which result in less energy dissipation.

Key words: three-dimensional (3D) angle-interlock fabric, two-dimensional (2D) plain fabric, ballistic energy absorption, finite element analysis, ballistic performance, composites

CLC Number:

TB332

YANG Yanfei, WANG Yi, LIU Junzhi, CAO Wanwan. Finite element analysis of 2D/3D fabric architecture on ballistic performance of armor-grade panel[J]. COMPOSITES SCIENCE AND ENGINEERING, 2025, 0(10): 41-52.

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