INVESTIGATION ON IMPACT PROPERTIES OF 2-D TRIAXIAL HYBRID-BRAID LAMINATED COMPOSITES

Abstract

Abstract: Three types of 2D triaxial carbon/glass hybrid-braid laminated composites with same laminating layers were designed to study the influences of hybrid-braid patterns on low velocity impact properties, providing basis for design and theory for applied reseach in aerospace and other fields. Through comparisons and analysis of low-velocity impact and three point bending experiments, we can conclude that: The composites of glass fiber as braiding yarn and carbon fiber as axial yarn, after low velocity impact, had the least cracks on the surface, the lowest absorbed energy per unit thickness, the minimum damage range in thickness direction, the minimum damage after bending experiment, thus the impact performance of this kind of composite was the best. Through suitable hybrid braiding patterns of carbon fiber/glass fiber combination, the impact properties can be effectively improved to achieve positive hybrid effect, and can enhance the impact performance of hybrid-braid laminated composites.

Key words: 2D triaxial hybrid-braid laminated composites, absorbed energy per unit thickness, low velocity impact properties, bending properties after impact

CLC Number:

TB332

WANG Wen-sha, YAN Jian-hua, GU Hai-lin. INVESTIGATION ON IMPACT PROPERTIES OF 2-D TRIAXIAL HYBRID-BRAID LAMINATED COMPOSITES[J]. COMPOSITES SCIENCE AND ENGINEERING, 2015, 0(5): 47-53.

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