Abstract
We have established numerical models for simulating laser-generated Rayleigh waves in coating/substrate systems by a finite element method and investigated the propagation characteristics of Rayleigh waves in systems concerning the viscoelasticity and transparency of adhesive coatings. In this way, we have studied the influence of the mechanical properties of the coating, such as the elastic moduli, viscoelastic moduli, coating thickness, transparency, and coating material, on the propagation characteristics of the Rayleigh waves. The results show that the propagation characteristics of the Rayleigh waves can be divided into low- and high-frequency parts. The high-frequency propagation characteristics of the Rayleigh wave are closely related to the properties of the adhesive coating.
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Acknowledgments
This work was supported by the National Basic Research Program of China (Grant No. 2012CB921504), Major Program of the National Natural Science Foundation of China (Grant No. 51239005), National Natural Science Foundation of China (Grant No. 11404147), Natural Science Foundation of Jiangsu Province of China (Grant No. BK20140519), China Postdoctoral Science Foundation (Grant No. 2015M571672), Research Fund for Advanced Talents of Jiangsu University (Grant No. 11JDG118), Training Project of Young Backbone Teachers of Jiangsu University, and Special Fund for Public Interest of China (Grant No. 201510068).
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Guan, Yj., Sun, Hx., Yuan, Sq. et al. Laser-Generated Rayleigh Waves Propagating in Transparent Viscoelastic Adhesive Coating/Metal Substrate Systems. Int J Thermophys 37, 101 (2016). https://doi.org/10.1007/s10765-016-2107-4
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DOI: https://doi.org/10.1007/s10765-016-2107-4