Finite Element Simulation of Deformation Process of 316L Expandable Slotted Base Pipe at Room Temperature

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Abstract:

Expandable screen called slotted base pipe functions as skeleton structure in expandable screen. The expansion process is very complicated due to the existence of slots on slotted base pipe and contact friction between expansion tools and tubular. In this work, based on elastic-plastic mechanical analysis of the expandable slotted tube in expansion process, the 3D nonlinear finite element analysis model of contact process was built. Aiming at two specifications of 4-1/2 and 6-5/8 inches 316L stainless steel slotted tubular, expansion deformation process at room temperature with expansion ratios of 25-35% range was simulated. With those works, it hopes to provide a useful foundation for the formulation of expansion technology of expandable screen.

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719-723

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November 2011

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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