泡沫铝的声频内耗

被引:8
作者
刘长松
朱震刚
韩福生
机构
[1] 中国科学院固体物理研究所内耗与固体缺陷开放研究实验室
关键词
foamed aluminium internal friction volume fraction;
D O I
暂无
中图分类号
TG115 [金属的分析试验(金属材料试验)];
学科分类号
080502 ;
摘要
研究了泡沫A1的声频内耗结果表明:泡沫A1的内耗值比普通A1大一个量级以上,且随测量频率的增加而减小,出现了正常振幅效应用平面波动方程[1.2],推导了泡沫A1的内耗与频率、孔隙率和孔径的关系,较好地解释了实验结果.
引用
收藏
页码:153 / 157
页数:5
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