对T300/BMP-316单向层合板静载及疲劳加载各主方向损伤失效进行了试验研究,为建立该材料各主方向疲劳加载剩余刚度退化表达式及剩余强度退化表达式提供了依据.同时,获得了该材料剪切非线性因子,给出了面内剪切疲劳加载试验循环过程中剪切刚度计算公式,使用渗透剂增强的X射线图像技术对试样静载及疲劳破坏损伤状态进行了无损检测,并对损伤失效机理形式进行了分析探讨.试验表明,层合板结构应力分析中考虑材料剪切应力-应变的非线性效应是非常必要的.
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