Low-velocity impact behavior of hybrid composites based on carbon/glass hybrid triaxial woven fabric

doi:10.19936/j.cnki.2096-8000.20251228.001

Abstract

Abstract: In this paper, six types of carbon/glass hybrid triaxial woven fabric composite laminates with different carbon/glass mixing ratios were prepared using carbon fiber unidirectional fabrics and carbon fiber, glass fiber and carbon/glass hybrid triaxial woven fabrics. The impact energies of 18 J and 28 J were chosen to carry out low-velocity impact experiments on these six kinds of composite laminates. The surface damage on the front and back sides of the impact was obtained by visual measurement, and the overall damage area inside the specimen was obtained using ultrasonic C-scanning equipment, which was combined with the impact response curves to analyze the damage mechanism of the impact process of carbon/glass hybrid triaxial woven fabric composite laminates. The results show that at low impact energy, the maximum displacement growth during the impact of U_C6 (TG) is the largest, with a growth value of 11.4%, and the absorbed energy of U_C6 (TC) is the largest, with an enhancement of 7.6%; at high impact energy, the maximum displacement growth during the impact of U_C6 (TG) is the largest, with a growth value of 15.9%, and the absorbed energy of U_C6 (TCCG) is the largest, with an enhancement of 33.4%. Two damage patterns, ellipsoid-like and circular-like, existed in carbon/glass hybrid triaxial woven fabric composite laminates with 90° direction as the long axis.

Key words: triaxial woven fabric, carbon/glass fiber, hybrid composite laminate, low-velocity impact, low-velocity impact damage

CLC Number:

TB332

CUI Zihan, ZHANG Honghua, LI Wei. Low-velocity impact behavior of hybrid composites based on carbon/glass hybrid triaxial woven fabric[J]. COMPOSITES SCIENCE AND ENGINEERING, 2025, 0(12): 1-10.

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