Q5 During magnetic particle inspection a steel plate was found to have a through-thickness edge crack of
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Q5 During magnetic particle inspection a steel plate was found to have a through-thickness edge crack of depth 22 mm (see figure). The steel has a yield strength of 400 MPa and an ultimate tensile strength of 630 MPa. In service, the plate experience a tensile load of 335 kN, aligned perpendicular to the rack plane. What is the highest value of fracture toughness (Kc) of the steel plate for which the described crack would 'go critical' (i.e. propagate in fast brittle fracture) in service. Assume that the crack is 'short' with respect to the plate width.
Related Book For
Materials Science and Engineering An Introduction
ISBN: 978-0470419977
8th edition
Authors: William D. Callister Jr., David G. Rethwisch
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