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

表5 纤维含量不同的复合泡沫的平均吸声系数

Table 5 Average sound absorption coefficient of composite foam with different fiber contents

Sample 3# 11# 12# 8# 13# Fiber content/% 0 2 5 8 11 Average sound absorption coefficient 0.810 0.882 0.884 0.893 0.872