Engineering, 24.03.2020 17:57, gavergan

A polystyrene component must not fail when a tensile stress of 2.75 MPa is applied. Determine the maximum allowable surface crack length if the surface energy of polystyrene is 0.65 J/m2. Assume a modulus of elasticity of 3.3 GPa for polystyrene.

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A polystyrene component must not fail when a tensile stress of 2.75 MPa is applied. Determine the ma...