The diffusion of stress between a single reinforcing member and a matrix is shown to be a function of three main parameters. These are: position along the stiffener; a stiffness parameter which is the product of the ratio of stiffener to matrix modulus and the aspect ratio of the stiffener; a matrix-width parameter. The effects of variations in Poisson's ratio are found to be small so that similar patterns of stress transfer occur in plane-stress and plane-strain systems if the governing parameters for the systems are the same. No quantitative comparison can be made between stress diffusion in plane and axisymmetric systems.
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