针对两种不同铺层顺序的T300/BMP316复合材料层合板,进行了低速冲击后不同应力水平下的等幅拉-拉疲劳试验.结果表明:低速冲击后,材料疲劳寿命的对数与应力水平成线性关系;在低应力水平下,层合板的主要疲劳损伤模式为分层,而在高应力水平下,其主要疲劳损伤模式为纤维断裂;随着疲劳应力水平的降低,层合板内损伤面积增加且刚度退化幅度变大.
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