Springback analysis of L-sectioned bar of linear work-hardening materials under torsional loading
by Radha Krishna Lal; J.P. Dwivedi; V.P. Singh; Vikas Kumar Choubey; S.K. Srivastava
International Journal of Energy Technology and Policy (IJETP), Vol. 13, No. 1/2, 2017

Abstract: This paper deals with the torsional springback problems of L-sectioned bars of linear work-hardening materials. Using the deformation theory of plasticity, a numerical scheme based on the finite difference approximation has been proposed. The growth of the elastic-plastic boundary and the resulting stresses while loading, and the torsional springback and the residual stresses after unloading are calculated. The results are verified experimentally with mild steel bars having a L cross-section and the experimental result have been found to agree well with the theoretical results obtained numerically.

Online publication date: Thu, 01-Dec-2016

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