304不锈钢纤维/ZL104铝合金复合泡沫的孔结构、力学、吸声性能及其机理

苗琪, 左孝青, 周芸, 王应武, 郭路, 王坦, 黄蓓

Pore Structure, Mechanical and Sound Absorption Performance for Composite Foam of 304 Stainless Steel Fiber/ZL104 Aluminum Alloy

MIAO Qi, ZUO Xiaoqing, ZHOU Yun, WANG Yingwu, GUO Lu, WANG Tan, HUANG Bei

图4 合金泡沫和复合泡沫试样的吸声系数与频率的关系

Fig.4 Relationship between sound absorption coeffic-ient and frequency of composite foams with diff-erent porosity (a) composite foam; (b) Compar-ison of 82% porosity alloy foam and composite foam