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The 4 mm thick bar shown in Fig 3 30 is loaded axially with a constant force of 10 kN The bar material has been heat treated and quenched to raise its strength but as a consequence it has lost most

The 4-mm-thick bar shown in Fig. 3–30 is loaded axially with a constant force of 10 kN. The bar material has been heat treated and quenched to raise its strength, but as a consequence it has lost most of its ductility. It is desired to drill a hole through the centerof the 40-mm face of the plate to allow a cable to pass through it. A 4-mm hole is sufficientfor the cable to fit, but an 8-mm drill is readily available. Will a crack be more likely to initiate at the larger hole, the smaller hole, or at the fillet?

Jun 24 2020 View more View Less

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