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2 孔隙率不同的泡沫试样的屈服强度

Table 2 Yield strength of composite foam with different porosity

Porosity/% 77 80 82 84 86 Alloy foam/MPa(1#~5#) 1.90 1.30 0.80 0.70 0.50 Composite foam/MPa(6#~10#) 2.15 1.50 1.63 1.10 0.70