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    汤小东, 何德坪, 张伟开. 孔结构参数对通孔多孔铝合金超声衰减性能的影响[J]. 机械工程材料, 2006, 30(4): 48-50.
    引用本文: 汤小东, 何德坪, 张伟开. 孔结构参数对通孔多孔铝合金超声衰减性能的影响[J]. 机械工程材料, 2006, 30(4): 48-50.
    shu
    TANG Xiao-dong, HE De-ping, ZHANG Wei-kai. Effect of Porous Structural Parameters on Ultrasonic Attenuation Capacity of Porous Al Alloy with High Specific Strength[J]. Materials and Mechanical Engineering, 2006, 30(4): 48-50.
    Citation: TANG Xiao-dong, HE De-ping, ZHANG Wei-kai. Effect of Porous Structural Parameters on Ultrasonic Attenuation Capacity of Porous Al Alloy with High Specific Strength[J]. Materials and Mechanical Engineering, 2006, 30(4): 48-50.
    shu

    孔结构参数对通孔多孔铝合金超声衰减性能的影响

    Effect of Porous Structural Parameters on Ultrasonic Attenuation Capacity of Porous Al Alloy with High Specific Strength

      摘要
    • 摘要: 研究了通孔多孔铝合金的超声衰减性能.结果表明：通孔多孔铝合金在1～10MHz范围内是一种具有良好超声衰减性能的轻质材料,超声衰减系数α随孔径d的减小、孔隙率Ps减小和比表面积Sv的增加而增大.

       

      Abstract: Ultrasonic attenuation capacity of porous Al alloy with high specific strength was studied.That alloy is a light material with good ultrasonic attenuation capacity between 1-10MHz.Ultrasonic attenuation coefficient α of porous Al alloy increases with decreasing pore diameter d,with decreasing porosity Ps and with increasing specific surface Sv.

       

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