Study on the impact damage characteristic of the Ex-situ toughened composite laminates
In this paper,two carbon fiber/bismaleimide resin composites were prepared via ex-situ toughening technique.The damage resistance and damage tolerance of these two fiber-reinforced polymer composites were then studied in terms of low-velocity impact test and compression strength after impact (CAI).The results indicated that the T300 carbon fiber-reinforced composites had better damage resistance response and higher damage tolerance,and the visual observation of damage was also achieved.However,the T700 carbon fiber-reinforced composites had higher breaking elongation,and therefore the composite was not sensitive to the low-velocity impact.In addition,the CAI strength of this composite was still low.
composites impact damage damage resistance damage tolerance dent depth
Ma Hongyi An Xuefeng Zhang Daijun Yi Xiaosu
National Key Laboratory of Advanced Composites,Beijing Institute of Aeronautical Materials,Beijing 100095,China
国际会议
沈阳
英文
65-71
2012-09-07（万方平台首次上网日期，不代表论文的发表时间）