【摘要】 对层板复合材料在拉伸 -拉伸疲劳载荷作用下的初始静刚度、初始静强度、剩余刚度、剩余强度、疲劳寿命进行了实验研究 ,取得了大量的有意义的实验数据 ,分析了层板复合材料的初始静刚度、初始静强度和疲劳寿命的概率分布 ,讨论了层板复合材料在不同应力水平下剩余刚度随疲劳循环周次的衰减变化及损伤破坏的形式 ,得到了一些有意义的结论更多还原

【Abstract】 Experimental researches on the initial stiffness,initial strength,residual stiffness,residual strength and residual life of composite laminates under tension\|tension fatigue loads were made,from shich a lot of meaningful experimental data were obtained.The probability distribution of the initial stiffness, initial strength and cycle life were analyzed.The degradation of the stiffness of composite laminates with fatigue cycles under differnet stress levels and the damage tyeps were discussed.Some meeaningful conclusions were made.更多还原