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Fatigue failure analysis of pin-loaded lugs

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Academic year: 2017

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Figure 1: Geometry of the pin-loaded lug (Case 1 – through-the-thickness crack, Case 2 – one crack/two-symmetric cracks at a hole) .
Figure 2: Crack length versus number of loading cycles for the pin-loaded lug with through-the-thickness crack emanating from a hole:
Figure 3: Finite element analysis of the pin-loaded lug with semi-elliptical crack(s) emanating from a hole: (a) Modeled finite element  mesh; (b) The stress distribution of single crack situation
Figure 4: Crack length versus number of loading cycles for the pin-loaded lug with semi-elliptical crack emanating from a hole: (a) a  versus N, (b) b versus N

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