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利用实验模态分析方法对碳纤维/环氧树脂编织结构增强复合材料的动态力学特性进行了实验研究,确定了编织复合材料梁、管的振动模态参数与传递函数,并与钢质梁、管的动态性能相比较。结果表明:在冲击脉冲载荷作用下,先进编织结构复合材料与传统金属材料相比具有较高的固有频率、阻尼比,以及比刚度大、稳定性好、对冲击脉冲载荷作用的减震效果等良好的综合动力学特性。
Experimental modal analysis was used to study the dynamic mechanical properties of carbon fiber / epoxy braided composite reinforced composites. The vibration mode parameters and transfer functions of braided composite girders and tubes were determined and compared with those of steel beams and tubes Compared to the dynamic performance. The results show that the advanced braided composite has higher natural frequency and damping ratio than the traditional metallic materials under shock loading, as well as the specific stiffness, good stability and shock absorption effect on shock pulse loading Good overall dynamics.