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