Laser-Generated Rayleigh Waves Propagating in Transparent Viscoelastic Adhesive Coating/Metal Substrate Systems

被引：1

作者：

Guan, Yi-jun ^{[1
]}

Sun, Hong-xiang ^{[1
,2
,3
]}

Yuan, Shou-qi ^{[1
]}

Zhang, Shu-yi ^{[2
]}

Ge, Yong ^{[1
]}

机构：

[1] Jiangsu Univ, Res Ctr Fluid Machinery Engn & Technol, Fac Sci, Zhenjiang 212013, Peoples R China

[2] Nanjing Univ, Collaborat Innovat Ctr Adv Microstruct, Lab Modern Acoust, Inst Acoust, Nanjing 210093, Jiangsu, Peoples R China

[3] Chinese Acad Sci, Inst Acoust, State Key Lab Acoust, Beijing 100190, Peoples R China

来源：

INTERNATIONAL JOURNAL OF THERMOPHYSICS | 2016年 / 37卷 / 10期

基金：

中国国家自然科学基金; 中国博士后科学基金;

关键词：

Coating/substrate structure; Finite element method; Laser ultrasound; Rayleigh wave; Viscoelasticity; LAMB WAVES; PLATES; ULTRASONICS; SECTION;

D O I：

10.1007/s10765-016-2107-4

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

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.

引用

页数：13

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