Engineering, 03.04.2020 16:37 cosmicprof1

What is the magnitude of the maximum stress that exists at the tip of an internal crack having a radius of curvature of 3 × 10-4 mm (1.181 × 10-5 in.) and a crack length of 2.5 × 10-2 mm (0.9843 × 10-3 in.) when a tensile stress of 170 MPa (24660 psi) is applied?

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What is the magnitude of the maximum stress that exists at the tip of an internal crack having a rad...