Abstract:Nondestructive testing plays an important role in modern cities. Laser-generated surface acoustic waves (SAWs) are widely used in the nondestructive testing of structures due to their advantages, such as being non-contact and having a wide frequency bandwidth, long distance propagation, little attenuation, and so on. Q345 steel is currently used in many areas, especially in large structures. In order to utilize laser-generated SAWs more reasonably, this paper discusses the effects of laser parameters on the ex… Show more
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