Fracture Behavior of 6061 Al-Alloy Pipes under Bursting Loads with Crack Length Variation

Abstract: In this paper 3D finite element analyses were performed to obtain fracture behavior of 6061 Al-alloy pipes subjected to internal bursting pressure. It was observed that the large deformations have promoted the path dependence of the J-integral. It was noticed that the J-integral was dependent on the deformation and the crack area. The values of KI and KII stress intensity factors along the crack-front were very high and, the, mode-I and mode-II were the dominant fracture modes. The pipes were tested till they burst with various crack lengths on them. All the pipes above or below the l/d raio of 90.71 were failed to satisfy yield and ultimate tensile strength criterion.

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[D.U.M.Manikanta and A.Chennakesava Reddy (2015); Fracture Behavior of 6061 Al-Alloy Pipes under Bursting Loads with Crack Length Variation Int. J. of Adv. Res. 3 (4). 0] (ISSN 2320-5407). www.journalijar.com

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