Bending and Shear Deformation Effects in Lap Joints

by Umur Yuceoglu, Research Scientist and Adjunct Prof. of Mechanics; Fritz Engrg. Lab., Lehigh Univ., Building 13, Bethlehem, Pa. 18015,
Dean P. Updike, Prof. of Mechanics; Lehigh Univ., Bethlehem, Pa., 18015,

Serial Information: Journal of the Engineering Mechanics Division, 1981, Vol. 107, Issue 1, Pg. 55-76

Document Type: Journal Paper


The problem of stress distribution in adhesive joints where two orthotropic plates are bonded through a flexible adhesive layer is analyzed. The effect of bending the adherends on the stresses in the adhesive layer is very significant. However, the transverse shear deformations of the adherends have, in general, very little influence on the adhesive layer stresses; therefore these shear strains of adherends can be neglected in many practical cases. The maximum transverse normal stress in the adhesive is, in general, larger than the maximum longitudinal shear stress.

Subject Headings: Shear stress | Shear deformation | Adhesives | Stress analysis | Transverse shear | Bending (structural) | Joints | Stress distribution

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