STUDY ON THE EFFECTS OF HYGROTHERMAL DAMAGE CHARACTERISTICS OF BRAIDED CARBON FIBER COMPOSITE SUBJECTED TO LIGHTNING

Abstract

Abstract: In this paper, damage characteristics of two typical ply ([45₂/0₂/-45₂/90₂]s、[30₂/0₂/-30₂/90₂]s) woven carbon fiber composite material samples, which are subjected to different hygrothermal environments (23 ℃ and 60 ℃), were studied. At the same time, the microscopic mechanism characteristics of two kinds of standard sample member ply by lightning strike at 60 ℃ after a hygrothermal environment immersioning conditions were analyzed. The results show that hygrothermal aging significantly increases the lightning strike damage regions. While, the influence of stacking sequence on the damage forms is decreased. SEM results show that the fiber/matrix interfacial bonding is severely degraded by moisture.

Key words: composite, hygrothermal, lightning strike, microscopical mechanism

CLC Number:

TB332

HUANG Lai, LI Yi-chao, CHE Hong-wei, ZHOU Ting. STUDY ON THE EFFECTS OF HYGROTHERMAL DAMAGE CHARACTERISTICS OF BRAIDED CARBON FIBER COMPOSITE SUBJECTED TO LIGHTNING[J]. Fiber Reinforced Plastics/Composites, 2016, 0(11): 51-58.

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