Abstract

Delamination behaviour of an inhomogeneous multilayered cantilever beam of linearly changing width of the cross-section along the beam length is analyzed. The material in each layer of the beam has non-linear elastic mechanical behaviour. Besides, each layer exhibits continuous material inhomogeneity along the layer height. The solution to the strain energy release rate derived by considering the complementary strain energy is valid for beams made of arbitrary number of layers of individual thickness and material properties. In order to verify the solution, the strain energy release rate is obtained also by considering the balance of the energy.

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