A polystyrene component must not fail when a tensile stress of 1.25MPa (180psi) is applied. Determine the
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A polystyrene component must not fail when a tensile stress of 1.25MPa (180psi) is applied. Determine the maximum allowable surface crack length if the surface energy of polystyrene is 0.50 J/m2 (2.86 × 10-3 in.-lbf/in.2). Assume a modulus of elasticity of 3.0GPa (0.435 × 106psi).
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Related Book For 
Fundamentals of Materials Science and Engineering An Integrated Approach
ISBN: 978-1118061602
4th Edition
Authors: David G. Rethwisch
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