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

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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 5.5 × 10-2 mm (2.165 × 10-3 in.) when a tensile stress of 150 MPa (21760 psi) is applied

Engineering

1 answer:

Kisachek [356] · Answer 1 · 2026-03-28T14:00:28+03:00

The maximum stress at the tip of the internal crack is calculated as 2872.28 MPa. Explanation: Details provided include the curvature radius of 3 × 10^-4 mm, a crack length of 5.5 × 10^-2 mm, and an applied tensile stress of 150 MPa. The equation used determines maximum stress based on these inputs.