Shear horizontal guided wave modes to infer the shear stiffness of adhesive bond layers

被引：64

作者：

Le Crom, Benedicte ^{[1
]}

Castaings, Michel ^{[1
]}

机构：

[1] Univ Bordeaux, Mecan Phys Lab, CNRS, UMR 5469, F-33400 Talence, France

来源：

JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA | 2010年 / 127卷 / 04期

关键词：

adhesive bonding; aerospace materials; elastic moduli measurement; elastic waves; elasticity; inverse problems; ultrasonic materials testing; FINITE-ELEMENT MODEL; NONDESTRUCTIVE EVALUATION; SH-WAVES; PROPAGATION; LAMB; JOINTS; TRANSMISSION; INTERFACES; SECTION; PLATES;

D O I：

10.1121/1.3309441

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

This paper presents a non-destructive, ultrasonic technique to evaluate the quality of bonds between substrates. Shear-horizontally polarized (SH) wave modes are investigated to infer the shear stiffness of bonds, which is necessarily linked to the shear resistance that is a critical parameter for bonded structures. Numerical simulations are run for selecting the most appropriate SH wave modes, i.e., with higher sensitivity to the bond than to other components, and experiments are made for generating-detecting pre-selected SH wave modes and for measuring their phase velocities. An inverse problem is finally solved, consisting of the evaluation of the shear stiffness modulus of a bond layer at different curing times between a metallic plate and a composite patch, such assembly being investigated in the context of repair of aeronautical structures.

引用

页码：2220 / 2230

页数：11

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