The Effects of Plasticity in Adhesive Fracture

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Abstract
From the viewpoint of continuum mechanics, and particularly the energy concept of fracture, adhesive and cohesive failures are similar. The essential difference involves the interpretation of the energy required to create new (adhesive or cohesive) surface area. This fracture mechanics approach has in the past been applied to a number of different elastic problems. In this investigation an elastic-perfectly plastic analysis for adhesive failure of a beam is presented. This analysis accounts for the energy dissipated during plastic bending. Experimental results with 6061-T6 alumimum are presented as evidence of the validity of the approach.

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