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6 janvier 2019

The effect of residual stresses on the formation of transverse cracks in adhesive joints for wind turbine blades - ScienceDirect

The effect of residual stresses on the formation of transverse cracks in adhesive joints for wind turbine blades - ScienceDirect

Transverse cracks in adhesive bonded joints evolve typically due to a combination of mechanical- and residual stresses. In this paper, a new approach that allows the residual stress to be determined on a single test specimen in several different ways is presented. The residual stress measurements were used in combination with a bi-material model to predict the stress at first transverse crack in the adhesive layer of a sandwich specimen (laminate/adhesive/laminate).....