一种共振吸声结构用低密度内嵌式微穿孔隔膜的研究  

Study on the Low-density Embedded Micro-hole Separator for Resonant Sound Absorption Structure

作　　者：王雪松[1] 孙慧广 付刚[1] 赵汉清[1] 高堂铃[1] 匡弘[1] 付春明[1] WANG Xue-song;SUN Hui-guang;FU Gang;ZHAO Han-qing;GAO Tang-ling;KUANG Hong;FU Chun-ming(Institute of Petrochemistry,Heilongjiang Academy of Sciences,Harbin 150040,China;First Military Representatiue Office in Harbin,Equipment Department of Air Force,Harbin 150040,China)

机构地区：[1]黑龙江省科学院石油化学研究院,黑龙江哈尔滨150040 [2]空装驻哈尔滨地区第一军事代表室,黑龙江哈尔滨150040

出　　处：《化学与粘合》2022年第3期196-199,216,共5页Chemistry and Adhesion

摘　　要：研制了一种用于共振吸声结构的低密度内嵌式微穿孔隔膜。该隔膜密度为0.65~0.75g/cm3;玻璃化转变温度(Tg)为120.3℃;室温剪切强度为22.3MPa;100℃剪切强度为17.2MPa;90°板-板剥离强度为38.7N/cm;在23~120℃的线膨胀系数为30~40μm/(m·K),满足了共振吸声结构对内嵌式微穿孔隔膜的需求。A Low-density embedded micro-hole separator is prepared for resonant sound absorption structure.The density is 0.65~0.75g/cm3,the glass-transition temperature(Tg) is 120.3℃,the shear strength at room temperature and 100℃ is 22.3MPa and 17.2MPa respectively,the 90° plateplate peel strength is 38.7N/cm,and the coefficient of linear expansion at 23~120℃ is 30~40μm/m℃.The performance of the separator can meet the requirements of the resonant sound absorption structure for the embedded micro-hole separator.

关 键 词：内嵌式 低密度 微穿孔 隔膜 共振吸声结构 

分 类 号：TB535[理学—物理]