jxeidy2823 jxeidy2823

12-04-2024
Engineering

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A hot-rolled steel bar has been machined to a diameter of 25 mm. UTS is 400MPa, It is to be placed in reversed axial loading for 70000 cycles to failure in an operating environment of 280∘C. For a reliability of 99 percent, estimate the endurance limit and fatigue strength at 70000 cycles.

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