A low frequency multi mode ultrasonic Lamb wave method suitable for characterizing shear and longitudinal wave velocities, thickness and density of ultra thin elasticlayers is presented.
提出了用低频多模式超声兰姆波定征方法来估计超薄弹性层的纵波声速、横波声速、厚度和密度等参数。
2
A frequency domain characterization method using low frequency ultrasound is put forward to estimate parameters of ultra thin elasticlayers, such as: the sound velocity, thickness and density.
本文提出一种定量无损估计超薄弹性层声速、厚度和密度参数的低频超声波频域定征方法。
3
The tensile strength and elastic modulus of glass fiber reinforced plastic(GFRP), which was made by different layers of glass fiber fabric, were tested and analyzed.