湿热效应对编织碳纤维复合材料雷击损伤特性研究  

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

作　　者：黄来[1] 李毅超[2,3] 车红卫[1] 周挺[1] 龚政雄[1] 杨湘衡 吕江林[1] 

机构地区：[1]国网湖南省电力公司,长沙410007 [2]华中科技大学航空航天学院,武汉430074 [3]华中科技大学数字制造装备与技术国家重点实验室,武汉430074

出　　处：《玻璃钢／复合材料》2016年第11期51-58,共8页Fiber Reinforced Plastics/Composites

摘　　要：研究了两种典型铺层([452/02/-452/902]s、[302/02/-302/902]s)编织型碳纤维复合材料试样件在受到不同湿热环境(23℃、60℃)作用下的雷电冲击破坏特性。同时,对两种铺层的标准试样件在60℃湿热环境浸泡条件下受雷电冲击后的特性进行了微观机理分析。结果显示,湿热效应会改变材料的导电特性并且显著增大雷电破坏区域的面积,但铺层角度对破坏形态的影响则趋于不明显。微观扫描结果显示,纤维与树脂间粘结强度在湿热作用下显著降低并在雷电冲击下严重破坏,出现层间与层内的分层开裂现象。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.

关 键 词：复合材料 湿热 雷击 微观机理 

分 类 号：TB332[一般工业技术—材料科学与工程]