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Title:Thin -Film Adhesion Measurement by Laser -Induced Stress Waves
Author(s):Wang, Junlan
Doctoral Committee Chair(s):Sottos, Nancy R.; Weaver, Richard L.
Department / Program:Theoretical and Applied Mechanics
Discipline:Theoretical and Applied Mechanics
Degree Granting Institution:University of Illinois at Urbana-Champaign
Subject(s):Engineering, Materials Science
Abstract:Based on the theoretical and experimental parametric study results, the planar tensile sample geometry is modified to a triangular prism so that a high strain rate shear wave is generated and then allowed to impinge upon the test film. By allowing the initial longitudinal wave to mode convert to a shear wave and a secondary longitudinal wave at the oblique surface, mixed-mode loading of the thin film interface is realized. Film failure under mixed-mode conditions is observed and the mixed-mode interfacial strength is measured and compared with the tensile case.
Issue Date:2002
Description:154 p.
Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 2002.
Other Identifier(s):(MiAaPQ)AAI3070468
Date Available in IDEALS:2015-09-28
Date Deposited:2002

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