Estimation of Adhesive Bond Strength in Laminated Safety Glass Using Guided Mechanical Waves
Huo, Shihong
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https://hdl.handle.net/2142/87086
Description
Title
Estimation of Adhesive Bond Strength in Laminated Safety Glass Using Guided Mechanical Waves
Author(s)
Huo, Shihong
Issue Date
2008
Doctoral Committee Chair(s)
Henrique Reis
Department of Study
Systems and Entrepreneurial Engineering
Discipline
Systems and Entrepreneurial Engineering
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Engineering, Aerospace
Language
eng
Abstract
Based upon the guided wave energy velocity predictions for each of the laminates with different levels of adhesion, the S0 mode was selected as the most promising for use in nondestructively estimating adhesion levels in laminated safety glass. The predicted energy velocities (obtained using this multilayered model) were validated using guided wave energy velocity experimental measurements. The experimentally obtained velocity measurements are in good agreement with the predicted values. Guided wave attenuation in laminated safety glass is primarily due to the viscoelastic material properties of the PVB plastic interlayer. The attenuation properties of S1 mode were also explored to estimate the adhesive bond strength between the plastic interlayer and the two adjacent glass plates. Results show that the combination of both the energy velocity and attenuation methods has promise towards replacing the pummel test method to estimate the adhesion level in laminated safety glass.
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