Title: Analysis and evaluation of bondline thickness effects on failure load in adhesively bonded structures
Authors: Gleich, DM ×
Van Tooren, MJL
Beukers, Adriaan #
Issue Date: 2001
Publisher: Vsp bv
Series Title: Journal of adhesion science and technology vol:15 issue:9 pages:1091-1101
Abstract: It is well known that adhesive joints have their optimum strength for thin bondline thicknesses (0.1-0.5 mm), The most common analytical methods used for adhesive joint analysis show an improved strength with increasing bondline thickness. This erroneous trend in prediction is investigated in this article. It is found that the through-the-thickness stress distribution in the adhesive is the main cause for the errors. The stresses, both peel and shear, at the interface between the adhesive and the adherend are found to increase, after an initial decrease in the low bondline thickness range, with increasing bondline thickness while the average stresses decrease. This trend explains the trends found in experiments. Further, as experimental results have shown, a theoretical optimum bondline thickness is found.
ISSN: 0169-4243
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Department of Materials Engineering - miscellaneous
× corresponding author
# (joint) last author

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