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Peilu Li, Chunguang Xu, Qinxue Pan, Yuren Lu and Shuangyi Li
According to the acousto elastic effect, the residual stress on the surface of the rail can be evaluated by measuring the change in the propagation velocity of ultrasonic waves, such as longitudinal critically refracted (LCR) waves on the surface of the ...
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Kilian Tschöke, Tobias Gaul, Alexander Pietzsch, Eberhard Schulze and Lars Schubert
Nowadays, fiber-reinforced plastics are found in numerous industrial applications, such as aerospace, automotive engineering, railway, and naval engineering. These materials have high tensile and flexural strengths and nevertheless a low density at the s...
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Lecheng Jia, Bin Xue, Shili Chen, Hanzhong Wu, Xiaoxia Yang, Jingsheng Zhai and Zhoumo Zeng
Ultrasound has been proven to be a valid tool for ranging, especially in water. In this paper, we design a high-resolution ultrasonic ranging system that uses a thin laser beam as an ultrasonic sensor. The laser sensing provides a noncontact method for u...
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L-K Shark, Y Zhang and C Boller
Pág. 124
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