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弹道学报  2014 

泡沫铝复合结构的减载行为和机械滤波作用

Keywords: 泡沫铝,压电薄膜,冲击载荷,机械滤波器

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Abstract:

为降低冲击载荷对车载武器系统光电仪器仪表的影响,利用泡沫铝材料阻尼特性良好的特点,设计制作了以泡沫铝为主体的复合结构。在力锤冲击的实验条件下,应用传感器测量复合结构层间载荷和表面加速度;与仿真计算结果的对比验证了实验方法的可行性和测试结果的可靠性。根据实验结果得到用于精密仪器仪表降噪和减振的泡沫铝复合结构。实验结果还表明,具有该动态特性的复合结构可以起到机械滤波器的作用。

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