嵌入式共固化高阻尼电磁吸波复合材料
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陈新乐,梁森,闫盛宇,郑长升,王玲
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Embedded Co-cured High Damping and Electromagnetic Absorbing Composite
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Xinle CHEN,Sen LIANG,Shengyu YAN,Changsheng ZHENG,Ling WANG
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| 表8 模态测试结果 |
| Table 8 Modal test result |
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| Specimen | First modal | Second modal | Third modal |
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Modal frequency /Hz | Modal Damping ratio/% | Modal frequency /Hz | Modal damping ratio /% | Modal frequency /Hz | Modal damping ratio /% |
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| 1 | 63.93 | 4.126 | 80.65 | 2.982 | 289.49 | 1.382 | | 2 | 57.25 | 5.228 | 73.62 | 3.757 | 251.38 | 2.234 | | 3 | 55.28 | 5.441 | 71.32 | 3.925 | 242.26 | 2.356 | | 4 | 53.65 | 5.603 | 69.32 | 4.177 | 234.21 | 2.603 | | 5 | 52.39 | 5.751 | 67.46 | 4.211 | 227.06 | 2.751 | | 6 | 51.20 | 5.872 | 65.86 | 4.309 | 220.69 | 2.869 |
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