硅橡胶基涂层材料水下吸声性能的研究

Study on Sound Absorption Performance of Silicone Rubber Coating Material underwater

合成了硅橡胶基吸声涂层材料,研究了涂层材料在水下的吸声性能,探讨了该涂层的微孔及分子结构与吸声性能之间的关系。结果表明:片状填料的用量极大地影响了消声涂层的吸声性能。当石墨用量为20%时,常压下涂层材料平均吸声系数达92.6%;加压后,涂层材料吸声性能急骤下降。

The silicone rubber coating material was synthesized, and the sound absorption performance of the material underwater was studied, and the relationship between the sound absorption performance and the molecule structure of the material was discussed. The results showed that the sound absorption performance was obviously influenced by the dosage of the laminal filler, and the average sound absorption coefficient of the sample was 92.6% under the common pressure when the dosage of graphite was 20%, and the sound absorption performance was rapidly lowered under increasing pressure.