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Fatigue 1

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Fatigue 1

  1. 1. A hot-rolled notched component made of SAE 1005 (Su ¼ 321MPa)consists of a plate with a center hole of 4.0 mm. As shownin Figure, the plate has a width of 16mm and a thickness of 5 mm.The elastic stress concentration factor Kt of 2.4 due to tension wascalculated based on the geometric ratio. Fatigue tests with cyclic axialloading on the hot-rolled unnotched plates of the same material wereconducted to generate a baseline S–N curve that has the following

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