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    汤小东, 孙斐, 何德坪. 孔结构参数对闭孔泡沫铝合金超声衰减性能的影响[J]. 机械工程材料, 2006, 30(10): 59-61.
    引用本文: 汤小东, 孙斐, 何德坪. 孔结构参数对闭孔泡沫铝合金超声衰减性能的影响[J]. 机械工程材料, 2006, 30(10): 59-61.
    shu
    TANG Xiao-dong, SUN Fei, HE De-ping. Effect of Porous Structural Parameters on Ultrasonic Attenuation Capacity of Cellular Al Alloy[J]. Materials and Mechanical Engineering, 2006, 30(10): 59-61.
    Citation: TANG Xiao-dong, SUN Fei, HE De-ping. Effect of Porous Structural Parameters on Ultrasonic Attenuation Capacity of Cellular Al Alloy[J]. Materials and Mechanical Engineering, 2006, 30(10): 59-61.
    shu

    孔结构参数对闭孔泡沫铝合金超声衰减性能的影响

    Effect of Porous Structural Parameters on Ultrasonic Attenuation Capacity of Cellular Al Alloy

      摘要
    • 摘要: 研究了闭孔泡沫铝合金孔结构参数对其超声衰减性能的影响.结果表明：闭孔泡沫铝合金在1~10 MHz范围内是一种具有良好超声衰减性能的轻质材料.其超声衰减系数α随孔径d的减小、孔隙率Ps的增加和比表面积Sv的增加而增大.

       

      Abstract: Ultrasonic attenuation capacity of cellular Al alloy foam were studied.The results show that it is a light material that have good ultrasonic attenuation capacity between 1 MHz and 10 MHz.Ultrasonic attenuation coefficient α of cellular Al alloy foam increases with decreasing pore diameter d,with increasing porosity Ps and with increasing specific surface Sv.

       

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