不同阻尼层对约束阻尼隔声性能的影响研究  

Influence of Different Damping Layers on Sound Insulation Performance of Constrained Damping

作　　者：郝敏 涂春潮 任玉柱 郭瑞毅 HAO Min;TU Chunchao;REN Yuzhu;GUO Ruiyi(Beijing Institute of Aeronautical Materials Co.,Ltd,Beijing 100095,China)

机构地区：[1]北京航空材料研究院股份有限公司,北京100095

出　　处：《橡胶工业》2025年第5期365-371,共7页China Rubber Industry

摘　　要：研究不同基胶[丁腈橡胶(IIR)/天然橡胶]配比硫化胶的阻尼性能及其作为阻尼层的约束阻尼的阻尼性能和隔声性能。结果表明:以IIR为主体基胶的硫化胶的阻尼性能最优,悬臂梁法测试的相应约束阻尼的阻尼性能也最优,插入损失最大;在控制附加质量的前提下,通过提高阻尼层的阻尼性能可抑制约束阻尼的共振,提高其隔声性能。The damping performance of the vulcanizates with different base rubber[butyl rubber(IIR)/natural rubber]ratios,and the damping performance and sound insulation performance of the constrained damping with the vulcanizates as damping layers were studied.The results showed that the damping performance of the vulcanizate with IIR as the main base rubber was the best,and the damping performance of the corresponding constrained damping tested by the cantilever beam method was also the best,while the insertion loss was the greatest.Under the premise of controlling additional mass,the resonance of the constrained damping could be suppressed and sound insulation performance could be improved by increasing the damping performance of the damping layer.

关 键 词：约束阻尼 丁基橡胶 天然橡胶 阻尼性能 隔声性能 

分 类 号：TQ336.42[化学工程—橡胶工业] TQ332TQ333.6