Gradient design and ballistic performance of hybrid fiber composites

doi:10.19936/j.cnki.2096-8000.20251028.005

Abstract

Abstract: This study investigated the influence of gradient design on the ballistic performance of aramid fiber and ultra-high molecular weight polyethylene (UHMWPE) fiber hybrid composites. Five gradient schemes with varying UHMWPE content (corresponding to 0, 10, 20, 30 and 40 layers) were designed, with the total areal density strictly controlled below (6±0.05) kg/m² for all configurations. Ballistic tests were conducted, utilizing both aramid and UHMWPE as the impact faces, to systematically analyze the effects of fiber content and stacking sequence on the ballistic limit velocity V₅₀ and ballistic performance index (BPI) of the laminates. Based on the experimental data, a cubic nonlinear regression quantitative relationship model (R²>99%) between fiber content and ballistic performance is established,which provides a scientific basis for the gradient design of hybrid fiber composites and the development of ballistic protection equipment.

Key words: hybrid fibers, composites, gradient design, aramid, UHMWPE, ballistic limit velocity, ballistic performance index

CLC Number:

TB332

ZHANG Huihui, QIN Bin, DONG Fangdong. Gradient design and ballistic performance of hybrid fiber composites[J]. COMPOSITES SCIENCE AND ENGINEERING, 2025, 0(10): 28-33.

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