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导电相对压电复合材料吸声性能的影响

, PP. 87-90

Keywords: 压电复合材料,导电相,吸声性能

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Abstract:

为了研究新型环境声学功能材料,在压电导电原理的基础上,制备了以不同含量炭黑为导电相,以聚氯乙烯为基体材料,以锆钛酸铅为压电相的压电导电吸声复合材料。通过对复合材料体系的动态力学、电学和声学性能的测试分析,探讨了压电导电复合材料体系中压电吸声途径的耗能机制。结果表明,添加体积含量4%炭黑粉的压电复合材料具有最高的吸声性能。

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